For discussion of specific patterns or specific families of patterns, both newly-discovered and well-known.

Have been looking into 2-engine Cordership seed constellations, and the news is pretty good. A 2-glider seed is just 11 small still lifes at most --

x = 45, y = 47, rule = B3/S2321bo$20bobo$20b2o4$17bo$16bobo13b2o$17b2o13b2o3$17bo$16bobo$17b2o2$40b2o$40b2o5$22b2o$22b2o$42b2o$7bo4bo29bobo$6bobo2bobo28bo$7b2o3b2o2$b2o$obo$bo2$18b2o$17bo2bo$18b2o6$7b2o$7b2o3$18b2o$18bobo$18bo! Or even 9sL, if it's okay to make the constellation a little wider, but I think the "saved" turners will just be added back in later in the conversion to a one-glider seed anyway: x = 47, y = 56, rule = B3/S2345bo$44bo$44b3o15$22bo$21bobo13b2o$22b2o13b2o3$22bo$21bobo$22b2o2$45b2o$45b2o5$27b2o$27b2o2$12bo4bo$11bobo2bobo$12b2o3b2o6$23b2o$22bo2bo$23b2o6$12b2o$12b2o$3o$2bo$bo!

Then it's just a matter of hunting through simsim314's nice labeled splitter collection for the correct timing of splitter, plus a couple more boats to put the results on the right lane. That makes a fairly compact 15sL Cordership seed:

x = 62, y = 61, rule = B3/S2321bo$20bobo$20b2o4$17bo$16bobo13b2o$17b2o13b2o3$17bo$16bobo$17b2o2$40b2o$40b2o2$45b2o$45bobo$23bo22bo$22bobo$22b2o2$7bo4bo$6bobo2bobo$7b2o3b2o2$b2o$obo$bo2$18b2o$18bobo16bo$19bo16bobo$37b2o3$30bo$29bobo$7b2o21bo$7b2o11$17b2o$17bobo$18bo4$59b2o$59bobo$59bo! It's a little more expensive per switch engine, because the 2-engine Cordership is a lot more delicately balanced than Paul Tooke's three engines. If you put those three in place, the Cordership basically just takes off. For the new Cordership the two engines' combined exhaust has to be carefully encouraged to burn correctly. Anyone see any better ways to do this? The two white still lifes in the following version are just getting rid of a nasty non-spark that eventually becomes the usual Herschel plus a blinker: x = 62, y = 61, rule = LifeHistory21.A$20.A.A$20.2A4$17.A$16.A.A13.2A$17.2A13.2A3$17.A$16.A.A$17.2A2$40.2A$40.2A2$45.2A$45.A.A$46.A$22.2C$22.2C2$7.A4.A$6.A.A2.A.A$7.2A3.2A2$.2A$A.A$.A2$18.2C$17.C2.C16.A$18.2C16.A.A$37.2A3$30.A$29.A.A$7.2A21.A$7.2A11$17.2A$17.A.A$18.A4$59.2A$59.A.A$59.A!

I haven't checked yet whether those two still lifes can be replaced by one lucky one (except for some fiddling around with Seeds of Destruction, which didn't turn anything up immediately.) Also AbhpzTa's three cleanup gliders can maybe be simulated by some smaller number of still lifes. I didn't look very hard once I found that the spaceship's standard blocks were conveniently out of the way of the two trigger gliders.

Even at 15sL, this seed will have a relatively short slow-salvo construction recipe. Unlike the old 3-engine Cordership seed, this one is easily narrow enough to be constructed and triggered in any orientation with simeks' 0-degree construction arm recipes. So this makes another significant step toward a workable SMOS (self-synthesizing spaceship) and/or a quadratic-growth replicator.

dvgrn
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Posts: 5451
Joined: May 17th, 2009, 11:00 pm

dvgrn wrote:Like the 3-engine Cordership, the two engines can be stopped by a single glider from behind without releasing any gliders or spaceships. If someone could find the cases where the smallest amount of junk is produced, that would be great:

RLE

The above is just the first example that worked, and already it will significantly reduce the cost of projects like the Spaceship Made of Gliders and the eventual quadratic-growth replicator.

Which of the 142 possibilities without extra gliders would you like?
x = 11078, y = 15187, rule = 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I Like My Heisenburps! (and others) Extrementhusiast Posts: 1742 Joined: June 16th, 2009, 11:24 pm Location: USA ### Re: Spaceship Discussion Thread Extrementhusiast wrote: dvgrn wrote:Like the 3-engine Cordership, the two engines can be stopped by a single glider from behind without releasing any gliders or spaceships. If someone could find the cases where the smallest amount of junk is produced, that would be great... Which of the 142 possibilities without extra gliders would you like? All of them -- thanks! More specifically, we'll want the one that can be cleaned up into a single block or other slow-salvo target with the fewest additional gliders. Maybe one of these -- x = 144, y = 209, rule = B3/S23bo$2bo$3o$99bo$97bobo$98b2o5$42b2o78b2o$42b4o76b4o$42bob2o76bob2o2$43bo79bo$42b2o78b2o$42b3o77b3o$44bo79bo$56b2o78b2o$56b2o78b2o7$59bo79bo$58b2o78b2o$57bo3bo75bo3bo$58b2o2bo75b2o2bo$63bo79bo$60bobo77bobo$61bo79bo$61bo79bo$61b2o78b2o$61b2o78b2o3$36bo10bo68bo10bo$35b5o5bob2o11bo54b5o5bob2o11bo$34bo10bo3bo9bo54bo10bo3bo9bo$35b2o8b3obo9b2o54b2o8b3obo9b2o$36b2o9b2o12bo54b2o9b2o12bo$23b2o13bo21b3o40b2o13bo21b3o$23b2o35b3o40b2o35b3o7$31b2o78b2o$31b2o11b2o65b2o11b2o$42b2o2bo75b2o2bo$47bo3bo75bo3bo$41bo5bo3bo69bo5bo3bo$42bo2b2o3bobo69bo2b2o3bobo$43b3o5bo71b3o5bo$51bo79bo13$99bo$100bo$98b3o5$12bobo$13b2o$13bo28b2o78b2o$42b4o76b4o$42bob2o76bob2o2$43bo79bo$42b2o78b2o$42b3o77b3o$44bo79bo$56b2o78b2o$56b2o78b2o7$59bo79bo$58b2o78b2o$57bo3bo75bo3bo$58b2o2bo75b2o2bo$63bo79bo$60bobo77bobo$61bo79bo$61bo79bo$61b2o78b2o$61b2o78b2o3$36bo10bo68bo10bo$35b5o5bob2o11bo54b5o5bob2o11bo$34bo10bo3bo9bo54bo10bo3bo9bo$35b2o8b3obo9b2o54b2o8b3obo9b2o$36b2o9b2o12bo54b2o9b2o12bo$23b2o13bo21b3o40b2o13bo21b3o$23b2o35b3o40b2o35b3o7$31b2o78b2o$31b2o11b2o65b2o11b2o$42b2o2bo75b2o2bo$47bo3bo75bo3bo$41bo5bo3bo69bo5bo3bo$42bo2b2o3bobo69bo2b2o3bobo$43b3o5bo71b3o5bo$51bo79bo13$103bobo$104b2o$104bo3$16bo$17bo$15b3o2$42b2o$42b4o$42bob2o2$43bo$42b2o$42b3o$44bo$56b2o$56b2o$122b2o$122b4o$122bob2o2$123bo$122b2o$59bo62b3o$58b2o64bo$57bo3bo74b2o$58b2o2bo73b2o$63bo$60bobo$61bo$61bo$61b2o$61b2o$139bo$138b2o$36bo10bo89bo3bo$35b5o5bob2o11bo77b2o2bo$34bo10bo3bo9bo83bo$35b2o8b3obo9b2o79bobo$36b2o9b2o12bo79bo$23b2o13bo21b3o78bo$23b2o35b3o78b2o$141b2o3$116bo10bo$115b5o5bob2o11bo$114bo10bo3bo9bo$31b2o82b2o8b3obo9b2o$31b2o11b2o70b2o9b2o12bo$42b2o2bo56b2o13bo21b3o$47bo3bo51b2o35b3o$41bo5bo3bo$42bo2b2o3bobo$43b3o5bo$51bo3$111b2o$111b2o11b2o$122b2o2bo$127bo3bo$121bo5bo3bo$122bo2b2o3bobo$123b3o5bo$131bo!

-- unless one of the others has a really lucky shot that cleans up most of the remaining junk in one implosion.

This year I'm hoping to develop slow-salvo search tools to produce more efficient 0-degree construction recipes. For example, slmake currently starts from a single block, and painfully breaks up the block into several targets and moves each one into position. Occasionally it comes up with solutions that shoot down perfectly good pieces of target junk, and then move a faraway target in to replace it later when it turns out to be necessary.

The relevance here is that there's generally no need to reduce the Cordership to a single target block before beginning a construction. Really we want to reduce it to maybe half a dozen targets that will serve as starting points for constructing different parts of the final circuitry (whatever that is). So it's good to find cleanup options that leave a sparse shallow junk field, where each remaining piece can either be put to use, or can be shot down with a single glider if it's not needed.

We'll be able to apply the same idea to optimizing the Snarkmaker recipe. The current slmake-compiled recipe takes something like a third of the entire recipe just to convert one block into four separate targets. There's probably some slightly messy explosion that will put targets in about the right places, with a little extra junk to clean up. Along with the zero-degree elbowless idea, that ought to cut the recipe length by more than a factor of two.

Another possible way to improve efficiency is to stop being so obsessively tidy about stable circuitry. In cases like the quadratic-growth replicator where the circuitry doesn't have to be destroyed after it's used, it will probably be fine to shoot down the Cordership, use the nearest few blocks to build whatever we want, and just leave the rest of the Cordership debris where it appeared... and not clean up other leftover construction junk either, unless it's actually in the way. This will produce circuitry that looks strangely like random ash, but it will have a shorter slow-salvo recipe and will still work just fine.

dvgrn
Moderator

Posts: 5451
Joined: May 17th, 2009, 11:00 pm

This looks like the best one:
x = 49, y = 53, rule = B3/S23bo$2bo$3o2$27b2o$27b4o$27bob2o2$28bo$27b2o$27b3o$29bo$41b2o$41b2o7$44bo$43b2o$42bo3bo$43b2o2bo$48bo$45bobo$46bo$46bo$46b2o$46b2o3$21bo10bo$20b5o5bob2o11bo$19bo10bo3bo9bo$20b2o8b3obo9b2o$21b2o9b2o12bo$8b2o13bo21b3o$8b2o35b3o7$16b2o$16b2o11b2o$27b2o2bo$32bo3bo$26bo5bo3bo$27bo2b2o3bobo$28b3o5bo$36bo!
LifeWiki: Like Wikipedia but with more spaceships. [citation needed]

Posts: 1842
Joined: November 8th, 2014, 8:48 pm
Location: Getting a snacker from R-Bee's

dvgrn wrote:That makes a fairly compact 15sL Cordership seed:

x = 62, y = 61, rule = B3/S2321bo$20bobo$20b2o4$17bo$16bobo13b2o$17b2o13b2o3$17bo$16bobo$17b2o2$40b2o$40b2o2$45b2o$45bobo$23bo22bo$22bobo$22b2o2$7bo4bo$6bobo2bobo$7b2o3b2o2$b2o$obo$bo2$18b2o$18bobo16bo$19bo16bobo$37b2o3$30bo$29bobo$7b2o21bo$7b2o11$17b2o$17bobo$18bo4$59b2o$59bobo$59bo! Meant to mention -- this could (probably) be trivially reduced at least to 13 still lifes, if there is some two-object constellation that produces a switch engine in a different orientation -- i.e., when a trigger glider hits it from behind. Are there any such constellations known, or has it been proven that there aren't any such? The above switch-engine seeds are 3sL only because of the extra boat turners to correct the orientation. dvgrn Moderator Posts: 5451 Joined: May 17th, 2009, 11:00 pm Location: Madison, WI ### Re: Spaceship Discussion Thread Congratulations on the new ship! dvgrn wrote:Not too surprisingly, an eater for the 2-engine Cordership turns out to be fairly trivial. x = 102, y = 96, rule = B3/S2317bo$16bobo$16bobo18b2o$14b3ob2o17b2o$13bo$14b3ob2o$16bob2o4$45b2o$45b2o2$4bo$3bobo$3bobo$b3ob2o$o$b3ob2o$3bob2o20$8b2o$8b2o12$68bo$67b3o$66b2ob2o$67b3o14bo$68bo14b3o$68bobo11bo3bo$68b4o9b2o2b3o$71bo10bo3bo$82bo2bo$67b2ob2o11bobo6b2o$66bo5bo19b2o$67bo3bo$68bo2$83bob2o$82b5o$82b4o$54bo42b2o$54b4o6bo18b3o14bo$54bo3bo5bo18b3o9bo4bo$84bo4b2o4bo5bo$56b3o29b3o4bo3b2o$87b4o6bob2o$85b2o2b3obo$85b2obo2b2o$84b2o6bo$85bo2bo$86b3o$80b2o$80b2o$79bo2bo$79bob2o$76b3o$77b2o$59b2o9b2o2bo$59b2o5b2obo4b2o$70bobob2o$72b2o5$67b2o$67b2o!#C [[ STEP 9 ]] Why use an eater 2, when a standard eater works fine? x = 99, y = 94, rule = B3/S2334b2o$13bo20b2o$13b3o$16bo$15b2o4$42b2o$42b2o5$o$3o$3bo$2b2o20$5b2o$5b2o12$65bo$64b3o$63b2ob2o$64b3o14bo$65bo14b3o$65bobo11bo3bo$65b4o9b2o2b3o$68bo10bo3bo$79bo2bo$64b2ob2o11bobo6b2o$63bo5bo19b2o$64bo3bo$65bo2$80bob2o$79b5o$79b4o$51bo42b2o$51b4o6bo18b3o14bo$51bo3bo5bo18b3o9bo4bo$81bo4b2o4bo5bo$53b3o29b3o4bo3b2o$84b4o6bob2o$82b2o2b3obo$82b2obo2b2o$81b2o6bo$82bo2bo$83b3o$77b2o$77b2o$76bo2bo$76bob2o$73b3o$74b2o$56b2o9b2o2bo$56b2o5b2obo4b2o$67bobob2o$69b2o5$64b2o$64b2o!#C [[ STEP 9 ]]
-Matthias Merzenich
Sokwe
Moderator

Posts: 1439
Joined: July 9th, 2009, 2:44 pm

Not sure if this is known, because I don't really know where to look for this kind of stuff except for jslife, but here's a nice 180-degree reflection that preserves the mod-4 timing of a glider, allowing for a simple, minimal-population shuttle:

x = 67, y = 128, rule = B3/S2312bo$12bo5b3o$11bobo3b2o2bo$12bo3bo5bo$12bo3bo$17bo2b2o$18b2o11b2o$31b2o7$b3o35b2o$b3o21bo13b2o$2bo12b2o9b2o$3b2o9bob3o8b2o$4bo9bo3bo10bo$3bo11b2obo5b5o$16bo10bo3$b2o$b2o$2bo$2bo$bobo$o$bo2b2o$2bo3bo$4b2o$4bo7$6b2o$6b2o$19bo$19b3o$20b2o$20bo2$18b2obo$18b4o$20b2o31$46bobo$44b2obobo$44bob3o$45bo$46bo$45b2o$45b3o$47bo$59b2o$59b2o7$62bo$61b2o$60bo3bo$61b2o2bo$66bo$63bobo$64bo$64bo$64b2o$64b2o3$39bo10bo$38b5o5bob2o11bo$37bo10bo3bo9bo$38b2o8b3obo9b2o$39b2o9b2o12bo$26b2o13bo21b3o$26b2o35b3o7$34b2o$34b2o11b2o$45b2o2bo$50bo3bo$44bo5bo3bo$45bo2b2o3bobo$46b3o5bo$54bo!

EDIT3: More reactions:

x = 680, y = 61, rule = B3/S23573bo74bobo$574b2o73b2o$253bobo317b2o74bo$254b2o70bo169bo$254bo72bo169bo$325b3o167b3o4$8bobo79bo$9b2o80b2o$9bo80b2o317bo$25b2o78b2o158b2o78b2o60bobo15b2o78b2o78b2o78b2o$25b2o78b2o158b2o78b2o61b2o15b2o78b2o78b2o78b2o2$20bo79bo159bo79bo79bo79bo79bo79bo$18b2obo76b2obo156b2obo76b2obo76b2obo76b2obo76b2obo76b2obo$18b2obo76b2obo156b2obo76b2obo76b2obo76b2obo76b2obo76b2obo$15b3o2bo74b3o2bo154b3o2bo74b3o2bo74b3o2bo74b3o2bo74b3o2bo74b3o2bo$15bo79bo159bo79bo79bo79bo79bo79bo$15bobo15b2o60bobo15b2o140bobo15b2o60bobo15b2o60bobo15b2o60bobo15b2o60bobo15b2o60bobo15b2o$16b2o15b2o61b2o15b2o141b2o15b2o61b2o15b2o61b2o15b2o61b2o15b2o61b2o15b2o61b2o15b2o$14bo79bo159bo79bo79bo79bo79bo79bo$13bobo77bobo157bobo77bobo77bobo77bobo77bobo77bobo$15bo79bo159bo79bo79bo79bo79bo79bo$12b2o78b2o158b2o78b2o78b2o78b2o78b2o78b2o$14bo79bo159bo79bo79bo79bo79bo79bo$11bobo77bobo157bobo77bobo77bobo77bobo77bobo77bobo$11bobo77bobo157bobo77bobo77bobo77bobo77bobo77bobo$10bo79bo159bo79bo79bo79bo79bo79bo$11b2o78b2o158b2o78b2o78b2o78b2o78b2o78b2o$4bo79bo159bo79bo79bo79bo79bo79bo$3bo31b5o43bo31b5o123bo31b5o43bo31b5o43bo31b5o43bo31b5o43bo31b5o43bo31b5o$4bo4bo25bo48bo4bo25bo128bo4bo25bo48bo4bo25bo48bo4bo25bo48bo4bo25bo48bo4bo25bo48bo4bo25bo$8b2obo24b3o49b2obo24b3o129b2obo24b3o49b2obo24b3o49b2obo24b3o49b2obo24b3o49b2obo24b3o49b2obo24b3o$7bo3bo24bobo48bo3bo24bobo128bo3bo24bobo48bo3bo24bobo48bo3bo24bobo48bo3bo24bobo48bo3bo24bobo48bo3bo24bobo$8b4o24bo51b4o24bo131b4o24bo51b4o24bo51b4o24bo51b4o24bo51b4o24bo51b4o24bo$6b3o77b3o157b3o77b3o77b3o77b3o77b3o77b3o$6bobo77bobo157bobo77bobo77bobo77bobo77bobo77bobo$6bobo29b2o46bobo29b2o126bobo29b2o46bobo29b2o46bobo29b2o46bobo29b2o46bobo29b2o46bobo29b2o$9bo27b3o49bo27b3o129bo27b3o49bo27b3o49bo27b3o49bo27b3o49bo27b3o49bo27b3o$7b2o13bobo12bobo47b2o13bobo12bobo127b2o13bobo12bobo47b2o13bobo12bobo47b2o13bobo12bobo47b2o13bobo12bobo47b2o13bobo12bobo47b2o13bobo12bobo$21bo2bo76bo2bo156bo2bo76bo2bo76bo2bo76bo2bo76bo2bo76bo2bo$21bo2b2o75bo2b2o155bo2b2o75bo2b2o75bo2b2o75bo2b2o75bo2b2o75bo2b2o$22b3ob2o74b3ob2o154b3ob2o74b3ob2o74b3ob2o74b3ob2o74b3ob2o74b3ob2o$2o22bo2bo52b2o22bo2bo132b2o22bo2bo52b2o22bo2bo52b2o22bo2bo52b2o22bo2bo52b2o22bo2bo52b2o22bo2bo$2o78b2o158b2o78b2o78b2o78b2o78b2o78b2o2$23bo2bo76bo2bo156bo2bo76bo2bo76bo2bo76bo2bo76bo2bo76bo2bo$24bobo77bobo157bobo77bobo77bobo77bobo77bobo77bobo$25bo79bo159bo79bo79bo79bo79bo79bo3$8b2o78b2o158b2o78b2o78b2o78b2o78b2o78b2o$8b2o78b2o158b2o78b2o78b2o78b2o78b2o78b2o$23b2o78b2o158b2o78b2o78b2o78b2o78b2o78b2o$22b3o77b3o157b3o77b3o77b3o77b3o77b3o77b3o$23b2o78b2o158b2o78b2o78b2o78b2o78b2o78b2o$25bo79bo159bo79bo79bo79bo79bo79bo$25bo79bo159bo79bo79bo79bo79bo79bo$25bo79bo159bo79bo79bo79bo79bo79bo! Last edited by gmc_nxtman on January 3rd, 2018, 8:30 am, edited 3 times in total. gmc_nxtman Posts: 1147 Joined: May 26th, 2015, 7:20 pm ### Re: Spaceship Discussion Thread That's a nice glider reflection from the new Cordership, using its new side which didn't exist in previous Corderships. Here is another reflection on the same side, which is interesting since it takes quite a while to happen. x = 44, y = 7015b3o$14bo3bo$13bo3boo$14bo$15b4o$17boboo$17bobbo$18boo12boo$32boo3$17bo$17bo$16bobo$17bo$17boo21boo$17b3o20boo$$3bo11bo4boobb3o10bo5bobobobo9bo5bo12bo3ob3o13bo15bo31bo5bobbob3o23boobb5o21b3ob3obboobboo22bo3boboo4boboo20boo6boo25boobbobobbo23boobobobbo24bobbo30bo30boo32bo30boo$$27boo$25bobo$24bo$25bobbo$26boobo$7boo18bo$7boo12b3o$21bobbo$20bo4bo$19b3o$19boo$20boobo$21b3o$15boo$15boo18$41b3o$41bo$42bo!

There are also the reflections using its other side, which is the same as in previous Corderships.

Such reflections have been used before, for example in the caber tosser and the infinite glider hotel.

I suppose we now have to update all of the old Cordership-based objects to use the new smaller one.

Here is one such update.

#C A pattern using four Corderships whose population grows logarithmically.#C Gliders are reflected back and forth between pairs of Corderships while#C being duplicated.  This uses Aidan F. Pierce's new 2-engine Cordership,#C and so is smaller than the previous version.#C David I. Bell, 3 January 2018x = 118, y = 13453bo$52bobo$$52bobbo54boo55bo69boo69boo352boo54bo52boo44bo25bo36b3o3b4o24boo5boo36bobo3booboo23boo5boo36b3obbo26bobo41boo3bo5bo16boo42b4o7boo16bo43b3o23bobbo72bo69b3o$$67bo$65bobo$67bo$64bobo$64bo$51bo12bobo$40boo9b3o11boo$39bobobo7b3o$39bo3boo5bo3bo$40boo8b4o6boo$40b3o7boboo4boobbo$59boboo$56booboo$56b3o$56bo$56boobbo$12b5o7bo19boo11b3o$10boo5boo4bobo18boo11boo$10bo7bo4bo$10boo7bo3bobbo28bo$12boo6bo3b3o26b3o$15bo36bobbo$15bo4bo13boo17bobbo$16boobo14boo18bobo$54b3o4$bo$obo$31bo3bo6boo$obbo3bob3o17bobbob3o5boo63boo$bbo4bo24bobobo70boo$3boboobobo9bobo7bo$4boo3bo4boo4b3obobooboo$5bo8boo6bobboo3bobo3bo$30bobo$$104bo3boo102boobob3o3bo102bo4b3o3bo102bo3bo6bo67b3o33b3o49bo17bo37bo12bo37bo17bo12b3o33b3o4bo6bo3bo4bo3b3o4bo4bo3b3oboboo8boo3bo$$85bobo$81bo3bobo3boobbo6boo8bo$87booboobob3o4boo4bo3boo$87bo7bobo9boboboobo$9boo70bobobo24bo4bo$9boo63boo5b3obobbo17b3obo3bobbo$74boo6bo3bo$115bobo$116bo4$61b3o$61bobo18boo14boboo$61bobbo17boo13bo4bo$62bobbo36bo$62b3o26b3o3bo6boo$62bo28bobbo3bo7boo$94bo4bo7bo$59boo11boo18bobo4boo5boo$58b3o11boo19bo7b5o$57bobboo$61bo$59b3o$57booboo$55boobo$55bobboo4boobo7b3o$56boo6b4o8boo$63bo3bo5boo3bo$64b3o7bobobo$51boo11b3o9boo$51bobo12bo$53bo$51bobo$50bo$50bobo$50bo$$46b3o45bo45bobbo23b3o46bo16boo7b4o47boo16bo5bo3boo47bobo26bobb3o39boo5boo23booboo3bobo39boo5boo24b4o3b3o47bo25bo64boo63bo64boo347boo47boo62bo62boo62bobbo$$63bobo$64bo!

Would someone please update the infinite glider hotel for me? I'm not actually sure what the best injection mechanism is for it nowadays. (There have been quite a few versions.)

BCNU,
-dbell
dbell

Posts: 49
Joined: June 27th, 2013, 12:47 am

dbell wrote:Would someone please update the infinite glider hotel for me? I'm not actually sure what the best injection mechanism is for it nowadays. (There have been quite a few versions.)

Here is my effort. The basic Herschel edge shooter is a couple of ticks too slow so the more complicated version was necessary:

x = 176, y = 115, rule = B3/S2328bo$14b2o7b2o2bobo$14b3o6b4o3bo$14b2obobo7bo$17b2o10bob2o$29bobo$30bo8b2o$39b2o4$2bo$2ob2o$2bo$17b2o$16bo2bo$3b2o11b2ob2o$2bo2bo11bo$b2o3bo10b3o26b2o$bo4bo34b2o3b2o$bo3bo36b3o2b2o$2bo2bo36b2o2b3o$3bo2$19bo$15bo3bo$16bo2bo$16b2ob2o$17bobo$18bo2$6b2o$6b2o7$14b2o$14b2o14$65b2o$64bobo$58b2o4bo$56bo2bo2b2ob4o$37b2o17b2obobobobo2bo$37b2o20bobobobo$52bo6bobob2o$37bo12b3o7bo$36bobo10bo$36bo2bo9b2o22b2o$37bo2bo23b2o7bo$45bo18b2o5bobo$37bo2bo3bobo24b2o$37b2o4bo2bo$44b2o11bo$57bobo$57b2o3$61b2o$62bo97b2o$59b3o98b2o$22b2o35bo$23bo26b2o$23bobo17b2o4bo2bo71bo$24b2o17b2o5bobo69b3o$51bo69bo$121b2o$28b3o11bob2o9b2o111b2o$31bo10bobo10bo112b2o$27bo3b2o10bo12b3o$28bo2bo11b2o13bo98bo$29b2o12b2o111bobo$29bo13b2o110b2ob2o$62bo42bo50bo2bo$25bo36b3o38b3o50bo3bo$20b3ob2o2b2o35bo36bo53bo$20b4o4b2o22bo11b2o11b2o23b2o$24b2o24b3o24b2o9b2o82bo$49bo38bobo36b3o2b2o36bo2bo$49b2o37bo4b2o32b2o2b3o36bo3bo$34b2o57bobo32b2o3b2o34bo4bo$35bo57bob2o31b2o26b3o10bo3b2o$35bob2o53bob2o62bo11bo2bo$36bo2bo52b3o19b2o39b2ob2o11b2o$37b2o14bo59bo2bo39bo2bo$53b2o59b2o41b2o$52bo2bo33b2o82bo$53b2o35bo80b2ob2o$49b2o36b3o6bob2o17b2o54bo$49b2o36bo6b3ob2o17bo$61bo3b2o26bo24b3o$60bobo3bo27b3ob2o20bo$59bobo3bo12b2o16bobo36b2o$55b2obobo3bo13bobo15bobo36b2o8bo$55b2obo2b4obo13bo16bo10b2o34bobo$59bobo3bobo12b2o26bo34b2obo10b2o$55b2ob2o2bo2bobo41b3o36bo7bobob2o$56bobo2b2o3bo44bo33bo3b4o6b3o$44b2o10bobo87bobo2b2o7b2o$44b2o11bo89bo!
chris_c

Posts: 890
Joined: June 28th, 2014, 7:15 am

Here is a four-engine Cordership rake built from two adjacent two-engine Corderships.

#C A period 96 c/12 sideways Cordership rake made of four switch engines.#C This is composed of two of Aidan F. Pierce's new 2-engine Corderships#C whose edges react to create gliders.  This is an improvement on the#C same edge reaction that previously used two 3-engine Coorderships.#C David I. Bell, 4 January 2018x = 73, y = 9645bo$44boboo$48bo$42bo3bobbo$40bo9bo11b3o$40bo4boobboo$49boo$42bo5bo$43bo4b3o$44bo4boo12b3o5boo$46b4o12booboo4boo$33b3o25boboboo$33bobbo24bo3bo$36bo25bobbo$33boo15boo10b3o$32bobo15boo$33bobb3o$34boobbo$34bo3bo$35bobo10bobo$37bo12bo$34bobbo16bo$34bo13b3o$49boo$33boobbo11boo$34b3o13boo$51bo$$22bo26bo8bobo6bobb4o24bobo7bo9bob4o25bo8bobbo6b3o3boo21bo3boo10b3o9bobboo21bobboo23boboo21bo24bo8boo3boo33boo3boo7boobboo47b6o50bo4bo31b3obo7bo21bo4bo4boo3boobo5b3o23boboo4boo3boooo3bobo22b3o6bobbo13bo5bobboo3boo9bobobo13boo5b5o3bo21boobbobbo26boo89boo3boo3bo3b4o3bobo3boboobbobbo3bo3boboo4bo3boo7bo3bo32bo12bo30bo43b3o48boo8boo2528bo27bo27b3o! Shall we try for a three-engine rake? There might be a good chance of one existing. Maybe that search script could be adapted to find it. BCNU, -dbell dbell Posts: 49 Joined: June 27th, 2013, 12:47 am ### Re: Spaceship Discussion Thread Coming back to the 2-engine cordership search: There could be different orbits for the 2-engine puffers, there is even the unlikely chance of a clean rake. Has this search space already been investigated? HartmutHolzwart Posts: 420 Joined: June 27th, 2009, 10:58 am Location: Germany ### Re: Spaceship Discussion Thread HartmutHolzwart wrote:Coming back to the 2-engine cordership search: There could be different orbits for the 2-engine puffers, there is even the unlikely chance of a clean rake. Has this search space already been investigated? My search script already does -- it initializes a small random soup behind each switch engine pair, so it's pretty much orbit agnostic (that is, if you leave it running long enough, it should find almost all possible orbits that aren't ridiculously unlikely, such as, for instance, a 3-engine Cordership). x₁=ηx V ⃰_η=c²√(Λη) K=(Λu²)/2 Pₐ=1−1/(∫^∞_t₀(p(t)ˡ⁽ᵗ⁾)dt)$$x_1=\eta xV^*_\eta=c^2\sqrt{\Lambda\eta}K=\frac{\Lambda u^2}2P_a=1-\frac1{\int^\infty_{t_0}p(t)^{l(t)}dt}$$http://conwaylife.com/wiki/A_for_all Aidan F. Pierce A for awesome Posts: 1750 Joined: September 13th, 2014, 5:36 pm Location: 0x-1 ### Re: Spaceship Discussion Thread Forward glider to backward LWSS and block: x = 68, y = 55, rule = B3/S23obob2obo446b2o46b4o46bob2o247bo46b2o46b3o48bo60b2o60b2o763bo62b2o61bo3bo62b2o2bo67bo64bobo65bo65bo65b2o65b2o340bo10bo39b5o5bob2o11bo38bo10bo3bo9bo39b2o8b3obo9b2o40b2o9b2o12bo27b2o13bo21b3o27b2o35b3o735b2o35b2o11b2o46b2o2bo51bo3bo45bo5bo3bo46bo2b2o3bobo47b3o5bo55bo! I Like My Heisenburps! (and others) Extrementhusiast Posts: 1742 Joined: June 16th, 2009, 11:24 pm Location: USA ### Re: Spaceship Discussion Thread Belated congrats to A for Awesome! The 2-engine cordership is supersuper nice Best wishes to you, Scorbie Scorbie Posts: 1374 Joined: December 7th, 2013, 1:05 am ### Re: Spaceship Discussion Thread Here are a few Cordership results. #C A period 96 c/12 forward Cordership rake built using an old three-engine#C block puffer, the new two-engine Cordership, and the new four-engine rake.#C The Cordership converts the blocks into the usual honeyfarm reaction#C used to turn the gliders.#C David I. Bell, 7 January 2018x = 157, y = 1333oobo11128bo6boo127bobo3bo3bo126bo3bobo3boo16b3o108bobobboboboo16bo111bo3bobboo17bo114bo4bo133bobbo10boo135bo11boo6125bo108b3o8bo5bo29boo107bo3bo6bo7bo28boo108boo9b4obboo110booboo9b3o112boo11bobo32b3o91bo23b3o32bo93bo22boobbo33bo118boo93bo54bob3o92b3o51bobboo91booboo48bo90boobobo46b3obbo89b3obb3o45boobbo90bo6bo35bo8booboo91b5obo33boobo9boo92b4oboo30bo9boo3bo97bo31bo6bobboo96bo12boo3boo20bo109boo3boo13boobbobbo128bo3b4o129b3obo48b3o43bo34b3o48bo43boobo49bo95bo92bobbo21boo3boo93bo23boo3boo$$79b3o16boo$91b3o5boo$83bo14boo$79bo3boo13bo$81bobo$37boo39b3o27bo$40boo4bo33bo$37boob4o3bo64boo16bo$34b5o4b4o32boo28bo18boo$37b3o6bo17b3o13boo26bo20boo$38bo25bo15bo$37b3o25bo14boo27bo$44bo12boo20boo$44bo12boo49bo3$104bo$105bo$30bo73bo$29bobo$29bobo33boo$29bobbo32boo32boo3bo$30bobo51boo12b3o3bo$33bo6bo43boo11bo3boobo$32boo6bo56bobboo$32bo7bo3bo35b3o14b4o$6b3o34bobo34bo17boo$6b3o35bo36bo16boo$73boo22bobbo$6boboo63boo25bo$6bo3bo81boo3b3o$8b3o81boo$23boo$23boo4bo28bo$28b3o26b3o$27bobobo24bobobo$7bo19bo3bo23b3ob3o12bo6boo$6bobo17booboo42bobo5boo$7bo19b3o27bob3o13boo$6boo49b5o9bo3bo38bo$6boo49boobboo11bobboo33boo$7bo51boboo14bo18b3o14boo$5boboo52boo9bobboo19bo$6boboobo12boo31bobobbo11bo7boo13bo$6bo4bo12b3o29bobobbo20boo5boo$9bobo15bo29bo31boo$26boo$24b3o$23boo$21boo49boo$22bo$43booboo24boo$11boo5b4o21boo45bo6boo$11boo4bo25boobobo24bobo9bo3bobo5boo$17bobboo24bobo25bo10b5oboo10bo$18b3o26boo25booboo7bo4bo10bobo$19bo56boo9boobo11bobo$77boo10bo13bo$76bobo3bo$74b4o4bo15boo$19boo53boobbo18bobbo$19boo54boobo19boo$70boo4b3o$69bobbo$69bobboo$69boboo$66bobbobo$66boo$49boo14bo$49boo9boobboo$60boobbo$61boboo$62boo4$57boo$57boo!

One new reaction which produces a close block and boat is interesting because it has an interesting edge which is able to turn a glider to make a different type of forward rake. It's just unfortunate that the clean up of the unwanted debris is so clumsy.

#C A period 96 c/12 forward Cordership rake built using a new Cordership#C boat and block puffer, two copies of the new two-engine Corderships as#C clean up, and a sideways rake.  Unlike most previous forward Cordership#C rakes, the gliders are turned by two-bit sparks near the front edge.#C David I. Bell, 7 January 2018x = 222, y = 16112boo$12bobo$12bo14$28boo$28bobo$28bo14$44boo$44bobo$44bo11$110bo$109bobo$108booboo$60boo47bobbo$60bobo48b3o$60bo50bobo$39bo72boo$38boboo70boo12boo$42bo83boo$36bo3bobbo$34bo9bo11b3o$34bo4boobboo47bo17bo$43boo66bo$36bo5bo45bo7bo14boo$37bo4b3o43bo8bobb3o7b3o$38bo4boo12b3o5boo20bo4boo3bobb3o31boo$40b4o12booboo4boo21bobo6bobboobbo29boo$27b3o25boboboo27boboo10bobo6b3o$27bobbo24bo3bo42b3o4bo4bo$30bo25bobbo16boo15bo15boo3bo14boo33boo$27boo15boo10b3o17bobo32b4o14boo$26bobo15boo30bo53boo31bo3bo$27bobb3o92bob4o37bo$28boobbo91bobboo32bo7bo$28bo3bo127bo4bo$29bobo10bobo116bobobo4bo$31bo12bo76bo3bo35bo8bo$28bobbo16bo72bobbo37bo4boobo$28bo13b3o75bo3bo10b3o25boboob3o$43boo75booboo39b3oboo$27boobbo11boo51bo23boobbo56boo$28b3o13boo49bobbo22b3o57boo$45bo57bobboo14bo$99bo4boobo$43bo49bo5bo8bo$42bobo49bo11boo$42bo47b3o5bo11bobo$41bo3boo45bo3boo51bo$42bobboo44bo18bobo32boobobo7bo30boo$42bo102bobbooboobbooboo29boo$14boo3b4o9boo82boo27bo5bobo5bo$9b3obobbo6bo8boo7boobboo69boo28boobbo8bo$13bobbobb5o17b6o103bobb3obbo24boo$13bobbo27bo105b3o29b3o$15bo166bobbo$12bobo17boo99bo48boobo$13bo18boo98bobo48boo$132boo$40boo82boo$40boo82boo48b3o$bb3o169bobo$bobbo168boobobboo$o4bo52b3o105bo7bobbobboo$obb3o34boo18bo80bo11bobbo9boo6bo3boboo$o5bo22bobo8boo17bo80bobo13b5oboo3bo6bo5boo$b7o20bo3bo107boo6boo3boob6oboobo5bo7bo$7bo10b3o7bo4bo98boo14boo9bobo4bo27bo$7bo5boo3b4o6bo4bo98boo28b3oboo3bo3bo3bo15boboobobo$5boo5boo3bo4bo6bo3bo129bobbo3boo17b3o3b4o3bo$17booboo7bobbo122bo8b4oboo24bobbooboo$17b4o145boo3bo22bo$18bo130bo18b3o21b3o$4bo143bobo17boo22b3o17boo$3bobo142boo6boo54boo$bboobo134boo14boo$bboo136boo$3b3o$4bo168b3o$5bobbo163bo$bbo6bo147bo13bo4boo$bbo6bo146bobo11bo3bo15b3o27boo$bbo4b3o146boo12bobbo4bo4boo35boo$148boo20bo3bo3bo4b3obo$148boo21boobob3o$166boo6bo39bo$165bo9b4o34b3obobo$166boo9boo11boboo17boo5boboo$164b3o23bobbo26bo$7boo154bobbo23b3o18bo5b3o$7boo154b3o49bo$156boo6bo48boo$18bo137boo55bo$18boo187bo4bo$19bo149boo36bo4bo$20bo148boo$18bobbo$21bo147boo$21bo147boo8boo$164boo13boo$164boo$$177boo177boo$$177boo$177boo8boo$172boo13boo$172boo$$185boo185boo$$185boo$185boo$180boo$180boo3$192boo$187booboobbo$186bobboboboo$186bo$186bo$187bo4bo$188bo3bo$189b3o!

I combined the new boat puffer with the new Cordership to make a blocked glider stream Cordership. The hope was that this would make a small honey farm producing Cordership, but that didn't happen.

#C A period 96 c/12 Cordership made from a two-engine boat puffer and#C the new two-engine Cordership, which contains a glider which can#C escape if the boat is deleted by a sideways or forward glider.#C David I. Bell, 7 January 2018x = 86, y = 7567bo$51booboo6boboobboo$51boo8bob5o$51boobobo5bo4boo$54bobo11bobo$55boo$68b3o6boo$77boo$$40bo39b3o38bobobo37b3ob3o12bo55bobo39bob3o13boo39b5o9bo3bo39boobboo11bobboo41boboo14bo43boo9bobboo22b4o39bobobbo11bo24boobo38bobobbo36bobobbo39bo40b3oboo80b3oboo84bo$$54boo$21boo3b4o$16b3obobbo6bo23boo$20bobbobb5o$20bobbo31bobo$22bo33bo$19bobo17boo3boo10bo$20bo18boo3boo7$47boo3boo$36bobo8boo3boo$35bo3bo$25b3o7bo4bo$3bo21b4o6bo4bo$4o14bo5bo4bo6bo3bo$17boboo3booboo7bobbo$17boboo3b4o$18bo6bo$3bobo$4bo13boo$bboo13bobbo$bbobbo11bo$booboo10b3o10b3o$16boo11bobo$19boo8b4o$18bobbo7b3obo19bo$31boobo17bo$16boo5boo6bobboo16b3o$16bobbo3boo7boboo$17b3o13bobo$32boob3o$32boobo$32bo$6boo15bo$6boo15boo$24boo$24bo$19b3obo$19b3o$45boo$44bobo$14boo29bo$14boo11bo$27bo$27bo!

This provides a way to do glider reflections with lots of different phases. It is also another glider duplicator mechanism if a forward glider arrives to be turned by the boat before it is deleted.

Finally, I want to clarify what I said before about the search script. It could be changed to use an already mostly stabilized component, and just one additional switch engine. For examples, one of the 'wings' of the three-engine Cordership, or the two-engine Cordership with a block removed. That might produce a nice three-engine result without too much work.

Here is an example placement of a wing with a switch engine to illustrate (which obviously blows up).

x = 48, y = 5339bo$39bo7bo$39bo5b3o$38boo3bobo$44bobbo$43bobboo11$27bo$24b4o4$27bobo$28bo$oobbo21boo$3bobo20bobbo$bbo16bo5booboo$19bo$4boo13bo$$5boo12boo4bo13bobbobbooboo11bobo5boo10boo3bo13bo20boo20boo20boo17boobo18b3o19bo47boo7boo715boo15boo! BCNU, -dbell dbell Posts: 49 Joined: June 27th, 2013, 12:47 am ### Re: Spaceship Discussion Thread I thought it might be nice to have a glider synthesis of my four-engine Cordership rake. A gun for that would make another breeder. So I just took Dave Greene's glider recipe for the two-engine Cordership and duplicated it. #C Synthesis?? of four-engine Cordership rake.x = 142, y = 13750bobo51boo51bo1744bo45boo44boo1553b3o55bo54bo85boo85bobo20bo64bo21boo24boo20boo24bobo40bo7bo40bobo40boo23b3o65boobo63boboobo32bo33bo33b3o843b3o43bo44bo1737boo37bobo37bo$$140boo$139boo$141bo4$98bo$97boo$88bo8bobo$87boo$87bobo$109b3o$109bo$110bo8$91b3o$91bo22bo$92bo20boo$104bo8bobo$103boo$103bobo$125b3o$125bo$126bo8$107b3o$107bo$108bo12$81boo$80boo$82bo! Hurray, except that several gliders have to cross paths. The outside is clear. If the synthesis could be flipped over (i.e., 48 generations different), then hopefully the crossing problem might be avoided since the switch engine creating gliders could come from the outside. I am no good at synthesis, so I can't figure it out myself. Help, please. BCNU, -dbell dbell Posts: 49 Joined: June 27th, 2013, 12:47 am ### Re: Spaceship Discussion Thread dbell wrote:The outside is clear. If the synthesis could be flipped over (i.e., 48 generations different), then hopefully the crossing problem might be avoided since the switch engine creating gliders could come from the outside. I am no good at synthesis, so I can't figure it out myself. Help, please. Likely not optimal but it works: x = 146, y = 141, rule = 23/350bobo$51b2o$51bo17$44bo$45b2o$44b2o10$63bo$62bo$62b3o5$59bo$58b2o$58bobo$20bo32bo$21b2o30bobo$20b2o31b2o34b2o$89bobo$42bo6b2o38bo$43b2o3b2o$42b2o6bo$obo$b2o35b2o$bo35bobo29b3o$39bo29bo$32bobo35bo$33b2o$33bo5$28b3o$30bo$29bo3$47b3o$47bo$48bo17$41b2o$41bobo$41bo2$144b2o$143b2o$145bo4$102bo$101b2o$92bo8bobo$91b2o$91bobo$113b3o$113bo$114bo8$95b3o$95bo22bo$96bo20b2o$108bo8bobo$107b2o$107bobo$129b3o$129bo$130bo8$111b3o$111bo$112bo12$85b2o$84b2o$86bo! 2718281828 Posts: 608 Joined: August 8th, 2017, 5:38 pm ### Re: Spaceship Discussion Thread 2718281828 wrote:Likely not optimal but it works... Nice! There's one big sub-optimality problem with this recipe, though. The four gliders coming in from the northwest are going to slow down the repeat time tremendously, if the recipe is used in a gun as dbell suggested. The period doesn't really matter if we just want a breeder, but it's a little extra awkward to have to drop those gliders into the middle of the Corderrake's wide output channel. Below is another approach to cut down on that interference problem and minimize the repeat time. A few of the rake's first output gliders will still have to be suppressed so they don't interfere with the gun machinery, but that should be relatively minor. In fact, it looks like we're in luck and simple fishhook eaters will fit in between the incoming gliders from the southwest. dbell wrote:I thought it might be nice to have a glider synthesis of my four-engine Cordership rake. A gun for that would make another breeder. ... The outside is clear. If the synthesis could be flipped over (i.e., 48 generations different), then hopefully the crossing problem might be avoided since the switch engine creating gliders could come from the outside. I am no good at synthesis, so I can't figure it out myself. Help, please. Cordership synthesis is the only kind of synthesis I'm any good at, so here's a walkthrough to get close to a workable recipe, anyway -- some optimization left as an exercise for the reader. 0) Don't use my awful hurry-up-and-post-something synthesis, AbhpzTa's is much nicer. 1) Start with an appropriate switch-engine synthesis. If you want to build a gun, a two-sided synthesis might be best, so we could use this: x = 159, y = 86, rule = LifeHistory78.3D$79.D$79.D2.D$79.D2.D$80.D.D63$3A$2.A$.A2$149.2A$148.2A$150.A6$2.2A$.A.A$3.A2$156.3A$156.A$157.A! 2) Run the four-engine rake pattern in LifeHistory until the above switch engine shape appears, in the correct orientation so that the gliders can come from behind or outside, then paste in the above pattern to overlap the switch engine. These four patterns show the stages -- not intended to be run. We'll mercilessly delete all the trailing junk later so the gliders can get through: x = 159, y = 113, rule = LifeHistory113.A$112.A.A2$112.A2.A3.A.3A$114.A4.A$115.A.2A.A.A$116.2A3.A$117.A15.2A$133.2A6$98.5A7.A$96.2A5.2A4.A.A29.2A$96.A7.A4.A31.2A$96.2A7.A3.A2.A$98.2A6.A3.3A$101.A33.A$101.A4.A26.5A$102.2A.A27.2A.3A$133.2A2.A$134.3A$135.A$127.A$128.2A$78.3D44.2A3.A.A$79.D45.2A4.2A$79.D2.D35.2A9.5A$79.D2.D32.2A3.A4.A.A$80.D.D23.A.2A4.A5.A4.A7.A$95.2A3.2A4.3A10.A$95.2A3.2A6.A$113.3A.7A$114.A.2A5.A$79.A40.2A$78.A.A40.2A$79.A41.3A$121.A$103.2A3.2A$77.4A22.2A3.2A$77.2A3.A$78.A4.A$80.A.2A$65.A.A13.A14.A$64.A2.A27.A$65.A.A27.2A$95.2A.2A$94.A3.A$67.A25.3A2.A$66.A.2A22.2A3.A$66.A.2A25.2A$65.A3.A24.3A$66.4A30.2A$66.3A$93.A$94.A$93.2A$90.2A$90.A$90.2A$91.2A$89.A$88.3A$70.2A15.3A$70.2A15.A.A$87.A.2A$84.6A$83.A4.A$83.A2.A$84.2A2$78.2A$78.2A20$3A$2.A$.A2$149.2A$148.2A$150.A6$2.2A$.A.A$3.A2$156.3A$156.A$157.A!#C [[ VIEWONLY ]]

x = 181, y = 176, rule = LifeHistory162.A$162.A.A10.A$162.2A10.A$174.3A60$113.B$112.2BA$113.ABA5.AB$112.B.2B3.2AB2A$113.3A2BA2B.2A$114.2B.2B2AB2A$116.3B4A$116.2B15.2A$133.2A4$100.B$99.3B$96.9B4.2A$95.D9BA3B3A29.2A$94.B4D.2B.BABA2BA2B29.2A$95.D3BDB4.A3BA2BAB$96.4B6.B2.4BA$97.3D2B8.ABAB21.B$101.B4.B4.2A20.4B2A$102.2B.B26.3B.A2BA$133.2B.A2BA$133.3BABA$133.4AB$127.3B2.2A2B2A$125.6B6A$78.3D44.2B3A2BA2.A$79.D44.3BAB2A2B$79.D2.D35.BA4.2B.3BA3B$79.D2.D32.2B.2AB3.ABAB.5B$80.D.D23.4B4.2B.2A2BA3.2A4.B.B$95.2A3.2A4.4B4.3A.AB2AB$95.2A3.2A6.B4.AB2A3B2A2B$113.3B.2BA5B$113.3B3AB2.2B$79.BA35.A3.5B$78.2BAB38.2BAB$79.ABA38.2BAB$78.2BAB39.B$78.2B2A21.2A3.2A$77.3B3A20.2A3.2A$77.6B$66.A10.BA4B2A$65.3A10.A5BA$64.ABABA9.A5BA11.BA$63.3A.3A11.2BA11.4BA$64.5B24.BA5BA$65.AB3A23.2A2B.3B$65.5A21.3AB3A3B$65.2A2B2A20.2BA3BAB2A$65.2BAB2A20.2A2B.3B$65.4B2A21.4B2A$64.BABA2BAB22.2A2B$64.ABA2BAB23.A2B3.2B$65.A4B25.BA$66.2B25.2A$93.2BA$93.2A$90.2B$89.B2A$88.ABA2B$87.A2B.3B$88.AB.A2B$87.2B2ABA$70.2A15.3BA$70.2A12.3AB.B$83.BA2BA.2B$83.A4BA2B$82.3A5B$82.2A.2B$83.2ABA$84.3A$78.2A$78.2A11$167.A$166.2A$166.A.A5$2.2A$.ABA174.2A$3BA174.A.A$3B175.A$.B146.A$147.2AB$147.ABAB$148.3B$149.2B5$3.3A$2.3BA$.3BA$2.2B151.2A$155.ABA$155.A3B$156.3B$157.B!#C [[ VIEWONLY ]] x = 194, y = 189, rule = LifeHistory175.2B$174.4B10.B$173.4B10.3B$172.4B10.4B$171.4B10.4B$170.A3B10.4B$170.ABA10.A3B$170.2A10.A3B$182.3A55$126.2B$124.5A2B3.2BA$122.2A5B2A4BABA$122.A7BA4BA2B$122.2A7BA3BA2BA$124.2A6BA3B3A$126.BA9B$126.BA4BA3B10.2A$127.B2A.A3B11.2A4$113.B$112.3B$109.9B4.4B$108.D15B3A27.2B$107.B4D.2B.11B26.3B$108.D3BDB3.8B2A25.BA2B$109.4B5.7B2AB20.B2.3B2A$110.3D2B6.3BA2BA18.3B2A2B3A$114.B4.B3.BA4B17.2B3A2BA2B$115.2B.B4.3A3B16.4BA6B$122.B2A4B16.4BA2B4A$122.4B2A17.5BABA3B$123.2BA2BA14.12B$123.5B12.11B$123.2A3B10.13B$91.3D29.A2BA11.12B$92.D31.3A3.3B4.10B$92.D2.D34.4B3.2B.7B$92.D2.D32.6B2.5B.5B$93.D.D23.4B4.13B4.B.B$108.2A3.2A4.4B4.12B$108.2A3.2A6.B4.12B$126.3B.8B$126.7B2.2B$92.2B33.5B.5B$91.4B33.4B.4B$91.4B38.4B$79.B11.4B39.B$78.3D10.5B20.2A3.2A$77.2BD2B8.3BA2B2.2B2.2B12.2A3.2A$77.2BD2BD7.2B4A6B2A2B$77.2BD2BD7.BA4BA4B3AB2A$76.4BDBD7.2A10B2AB3A$75.9B7.ABAB2A4B3AB2A2.2B$76.9B7.3A6B2A.2B2.5B$77.8B8.A2.3B.B5.8B$77.8B21.4B.3B$77.2BA4B20.10B$78.ABA4B19.10B$78.BA5B19.8B$78.7B20.6B$77.8B22.4B$77.4A3B23.3B3.2B$77.2A3BA23.4B$78.A4BA22.4B$80.AB2A22.3B$80.BAB23.2B$103.2B$102.3B$101.5B$100.3B.3B$100.7B$97.9B$83.2A10.10B$83.2A10.9B$94.10B$95.2B2A5B$95.BABA4B$94.2BABA2B$93.2BA5B$92.4B4AB$91.6B3AB$91.9B6$175.A$174.2AB$174.ABAB$175.4B$176.4B$177.4B$178.4B$20.2A157.3B$19.ABA164.2A$18.3BA164.ABA$17.4B165.A3B$16.4B136.A30.4B$15.4B136.2AB30.4B$14.4B137.ABAB30.4B$13.4B139.4B30.4B$13.3B141.4B30.2B$14.B143.4B$159.4B$160.4B$161.3B$21.3A138.2B$20.3BA$19.3BA$18.4B141.2A$17.4B142.ABA$16.4B143.A3B$15.4B145.4B$3A11.4B147.4B$2.A12.2B149.4B$.A165.4B$168.4B$149.2A18.3B$148.2A20.B$150.A6$2.2A$.A.A$3.A2$156.3A$156.A$157.A!#C [[ VIEWONLY ]] x = 207, y = 202, rule = LifeHistory188.A$188.A.A10.A$188.2A10.A$200.3A10$175.2B$174.4B10.B$173.4B10.3B$172.4B10.4B$171.4B10.4B$170.4B10.4B$169.A3B10.4B$168.A3B10.4B$168.3A10.A3B$181.ABA$181.2A52$126.B$125.3B$122.9B3.B2A$121.D9BA3B3A$120.B4D5BABA2BA2B$121.D3BD5BA3BA2BAB$122.17BA$123.3D10BABAB$126.10B.2A7.2A$127.3B.4B11.2A4$113.B$112.3B$109.9B4.3BA$108.D15B3A27.2B$107.B4D.2B.7BA3BA25.3B$108.D3BDB3.5B2A2B3A23.4B$109.4B5.5BA3BA20.B2.5B$110.3D2B6.2BA2BAB18.6BA3B$114.B4.B3.BABA2B17.4B2ABA2B$115.2B.B4.6B16.4BA3B2AB$122.7B16.4B3AB2AB$122.6B17.8B2AB$123.6B14.12B$123.BAB2A12.11B$122.B5A10.13B$91.3D28.B4A11.12B$92.D30.5B2.3B4.10B$92.D2.D27.B3AB2.4B3.2B.7B$92.D2.D28.3A.6B2.5B.5B$93.D.D23.4B2.A.13B4.B.B$108.2A3.2A4.4B4.12B$108.2A3.2A6.B4.12B$126.3B.8B$126.7B2.2B$92.2B33.5B.5B$91.4B33.4B.4B$91.4B38.4B$79.B11.4B39.B$78.3D10.5B20.2A3.2A$77.2BD2B8.6B2.2B2.2B12.2A3.2A$77.2BD2BD7.14B4A$77.2BD2BD7.18BA$76.4BDBD6.BAB2AB2A7BA4BA$75.9B5.5A2B2A7B2ABA2B$76.9B4.A2B3ABA9B.A5B$77.8B6.4BA3B.B5.8B$77.8B7.3B11.4B.3B$77.3BA3B20.10B$78.2BA4B19.10B$78.BABA3B19.8B$78.2BA4B20.6B$77.3B2A3B22.4B$77.3B3AB23.3B3.2B$77.6B23.4B$77.BA4B2A21.4B$78.A5BA21.3B$78.A5BA21.2B$81.2BA19.2B$102.3B$101.5B$100.3B.3B$100.7B$97.9B$83.2A10.10B$83.2A10.9B$94.10B$95.A8B$94.A8B$93.2A7B$93.2A6B$92.2B2A6B91.A$91.5B2A3B91.2A$91.7BAB92.A.A5$173.2A$172.2A2B28.2A$173.BA2B27.A.A$174.4B26.A$175.4B$176.4B$177.4B$21.3A154.4B$20.3BA155.3B2.3A$19.3BA161.A3B$18.4B163.A3B$17.4B133.2A30.4B$16.4B133.2A2B30.4B$15.4B135.BA2B30.4B$14.4B137.4B30.4B$13.4B139.4B30.4B$13.3B141.4B30.2B$14.B143.4B$159.4B$23.2A135.4B$22.ABA136.3B$21.3BA137.2B$20.4B$19.4B138.3A$18.4B139.A3B$17.4B141.A3B$2.2A12.4B143.4B$.ABA11.4B145.4B$3BA10.4B147.4B$3B12.2B149.4B$.B146.A18.4B$147.2AB18.4B$147.ABAB18.3B$148.3B19.B$149.2B5$3.3A$2.3BA$.3BA$2.2B151.2A$155.ABA$155.A3B$156.3B$157.B!#C [[ VIEWONLY ]] So that gives us this 4-engine recipe, which doesn't work but it clearly has promise: x = 207, y = 202, rule = LifeHistory188.A$188.A.A10.A$188.2A10.A$200.3A16$169.A$168.A$168.3A10.A$181.A.A$181.2A55$121.D$121.4D$121.D3.D2$123.3D9$108.D$108.4D$108.D3.D2$110.3D8$91.3D$92.D$92.D2.D$92.D2.D$93.D.D9$78.3D$79.D$79.D2.D$79.D2.D$80.D.D28$193.A$192.2A$192.A.A5$173.2A$172.2A30.2A$174.A29.A.A$204.A4$21.3A$23.A160.3A$22.A161.A$185.A$154.2A$153.2A$155.A6$23.2A$22.A.A$24.A2$161.3A$161.A$162.A$2.2A$.A.A$3.A2$148.A$147.2A$147.A.A7$3.3A$5.A$4.A$155.2A$155.A.A$155.A! Now take AbhpzTa's and Entity Valkyrie's cleanup recipes and combine them to make this: x = 42, y = 38, rule = LifeHistory17.A7.A$16.3A5.A.A$15.2A.4A2.A2.A$16.3A2.A$17.A2.2A2.A$21.2A.A.A$25.A2$39.2A$38.A.A$39.A4$6.3A$7.A$7.A2.A$7.A2.A$8.A.A16$.2A$A.A36.2A$2.A36.A.A$39.A! Put the two cleanup gliders and the boat in the right positions relative to the other recipe gliders. The boat is easy -- just run the recipe until you recognize the phase shown in the cleanup pattern, paste the cleanup in over the top, note where the boat is, rewind, and draw it in. The two gliders take a little more fiddling -- I often use trailing "reference gliders" safely far behind the recipe gliders, so after pasting the cleanup in, I can just copy the reference gliders plus the pasted-in gliders, rewind to T=0, and place the cleanup gliders in the same relative positions: x = 71, y = 67, rule = LifeHistory68.A$67.A$67.3A4$47.A$47.4A$47.A3.A2$49.3A5$35.A$34.3A$33.2A.2A$34.3A$35.A$35.A.A$35.4A$38.A2$34.2A.2A$33.A5.A$34.A3.A$35.A3$16.A$17.A.2A.A.A$11.3A3.4A3.A$17.A2.2A.2A$16.A$14.3A$14.3A2$37.2A3.A$36.A.A2.A.A24.3A$37.A3.2A25.A$69.A$4.3A$3.A3.A$2.A3.2A$3.A$4.4A$6.A.2A$6.A2.A$7.2A14$3A$2.A32.3A$.A33.A$36.A!

Okay, so the boat-keeper trick obviously isn't going to work -- the boats are too close together, and anyway that's the reaction that we need to encourage to take the shape of the rake's glider-making reaction. So take the boats out, run to the critical stage, and compare what we have to what the working rake looks like. Recipe results on the left, working rake on the right:

x = 168, y = 75, rule = LifeHistory144.2B$144.3B$45.A89.AB6.5B$44.A.A87.ABAB3.B.6B$44.A2.2A85.A2B2A.10B$42.7A14.A68.7A14BA$41.A2.A3.A14.A67.A2BA3BA14BAB$40.3A2.7A11.A66.3A2B7A11BAB$42.3A2.A8.A74.B3A2BA8BA8B10.B$43.2A.2A8.A76.2AB2A8BA9B8.3B$44.3A.A2.A82.3ABA2BA14B7.4B$45.3A.2A13.2A5.2E62.3AB2A13B2A6.4B$48.A13.2A.A5.2E65.A2B.10B2ABA5.4B$34.A26.A3.A58.A6.2B7.11BA3BA4.4B$32.2A.2A24.A2.2A56.2AB2A4.3B4.13BA2B2A3.4B$35.2A25.3A57.3B2A3.5B3.12B2.3A3.4B$32.3A15.2A11.A57.B3A4B.6B3.B2A9B2.A3.4B$34.A3.A10.A2.A68.3BA3BA8B2.A2BA8B5.4B$33.A3.A81.4BA3BA23B4.4B$34.3A.A78.7B3ABA22B3.4B$36.2A79.9B2A23B2.4B$35.A.A10.2A68.7BABA10B2A16B$36.A11.3A2.2A64.7BA11B3A2B2A10B$35.2A12.A70.5B2A12BA9B2C3B$34.3A11.2A5.A65.3B3A11B2A5BA3B2C$34.A.2A11.A4.A51.2B14.2BAB2A11BA4BA2.2B$33.5A11.A56.3B13.B5A2.9BA4B$50.A.A52.5B13.4B3.10BABA$51.A51.B.6B14.B4.7B.3BA2B$102.10B19.12B$22.A76.13BAB17.12B$8.2A7.2A2.A.A24.3A47.2A7B2A2BABAB16.7B3A2B$8.3A6.4A3.A23.3A47.3A6B4A3BA15.7B.3A2B7.3B$8.2A.A.A7.A29.2A45.2ABABA7BA4B14.11B2AB.3B2.4B$11.2A10.A.2A20.3A2.A46.2B2A10BAB2A13.7B3A2BA12B$23.A.A77.10BABA13.22B.4B$24.A8.2A3.2A12.A50.10B.A8.2A3.2A12BA9B.4B$33.2A3.2A7.2A3.A51.9B9.B2AB2.2A7B2A3BA9B2.4B$48.A2.A41.2B7.14B3.8B2.9BA2BA9B4.4B$49.A.A41.3B4.27B3.9BABA.7B6.4B$92.5B3.28B4.6B7.2B10.4B$92.6B3.27B8.B21.4B$A89.A8B3.26B31.4B$A32.2A54.BA8B4.20B2A3B32.4B$2.A5.A22.3A.2A4.2E3.2E41.3BA5BAB4.14B2.B3AB2A2B32.4B$.A6.A.A20.A.A.2A4.2E3.2E41.2BA6BABA4.10B.5BABAB2AB34.4B$A3.A2.A21.2A.A57.A3BA2BA5B2.14B2ABA4B36.4B$.A2.A.A.2A12.2A3.A63.A2BABAB2A.11B2A3BA9B37.4B$6.A.2A3.2A5.A3.A.A64.5BAB2A3B2A5BA3BABA10B38.3B$13.2A6.2A.A.3A61.9B.3B2A6B2ABAB3A8B39.B$21.A3.4A62.20BA3B4A7B$89.14B.10B.B4.7B$87.26B8.6B$87.25B8.8B$88.24B8.8B$89.24B7.7B$90.23B8.6B$91.19B2C9.6B$92.10B.7B2C7.7B$9.2A3.A77.7B2A3BA3.3B8.3B.2B$7.3A4.2A76.5B3A4B2A2.3B8.4B$2.3A.A8.2A75.3ABA8B2A4B9.4B$6.A.A2.5A77.3BABA2B5A4B11.4B$7.A3.3A82.BA3B3A5B13.4B$98.3B3.4B15.4B$103.4B17.4B$102.4B19.4B$101.4B21.4B$100.4B23.4B$8.2E89.4B25.4B$8.2E88.4B27.4B$97.4B29.4B$97.3B31.4B$98.B33.3B$133.B!

It seems that AbhpzTa's cleanup (the temporary white blocks above) doesn't quite work in the context of a rake. It's a good start, but the interaction that produces the rake output also interferes with the sparks that do the cleanup, making them into non-sparks:

x = 159, y = 85, rule = LifeHistory127.2B$127.3B$126.5B$126.6B$124.2A7B$123.4B2A4BA$122.2B2AB4A3BA$121.5A4B4A2B$122.2B3A6BA3B$124.BA12B$124.3A12B$124.7BA8B4.2A$125.6BA9B2.B2AB$114.2B7.25B$114.3B4.27B$113.5B3.28B$111.B.6B3.27B7.B$105.3A2.10B3.26B6.3B$104.A3BA40B5.4B$103.A4BA8B2A3B3A25B3.4B$103.A2BABA7B4A5B.23B3.4B$103.2ABABA6BA3B2A4B.22B3.4B$105.2ABA2BA4B2ABABA4B.20B3.4B$107.2A2BA14B2.13B.6B.4B$108.3A13BA2B3.17B.4B$89.2A21.9BA2BA3B2.21B$19.2A68.3B18.12B3A13BC11B$19.3B66.A3BA15.30BC10B$18.A3BA65.5BA14.30BC9B$18.5BA62.A7BA14.38B$16.A7BA60.A4BA4B15.24B3C3B3C4B$15.A4BA4B60.BABABA4BA15.36B$15.BABABA4BA60.A8BA16.14B3C9BC7B$16.A8BA61.A4B2ABA.2B14.10BC12B.BCB.3B$17.A4B2ABA.2B59.AB2AB3A.3B13.10BCB2CBC6B3.C$18.AB2AB3A.3B57.2B3AB2A6B11.10BCB3CBC6B$17.2B3AB2A6B55.9B.6B4.2A3.2A10B5C12B$16.9B.6B4.2A49.16B2.B2AB2.2A9BC2BC15B$17.16B2.B2AB46.25B2.11B3C15B$15.25B43.27B3.28B$13.27B43.28B4.29B$13.28B43.27B8.B.18B2.4B$14.27B44.26B10.25B$15.26B45.25B9.22B.4B$16.25B46.25B2.2A3.2A22B.4B$17.25B2.2A42.23B2.B2AB2.2A22B2.4B$18.23B2.B2AB30.A6.2B2.8B2A20B2.22B4.4B$7.A6.2B2.8B2A20B.3B24.BAB5.3B.BA5BA2B2A18B3.12B.7B6.4B$6.BAB5.3B.BA5BA2B2A23B22.BABA4.6BA4B3A2BA10BC9B3.9B4.2B10.4B$5.BABA4.6BA4B3A2BA23B21.3B2A2BA.6BA4BA4BA8BCBC10B2.11B15.4B$4.3B2A2BA.6BA4BA4BA24B20.2BA5BA7B2.2B5A9B3C10B3.10B16.4B$4.2BA5BA7B2.2B5A25B18.4BA5BA9B2.B2A6B2C19B2.8B17.4B$2.4BA5BA9B2.B2A28B15.6BA4BA11B2.8B2C20B.8B18.4B$6BA4BA11B2.31B14.10BA13B2.7B2C20B.8B19.4B$10BA13B2.18BA11B15.6B3A14B2.36B22.4B$.6B3A14B2.16BA2BA9B2A15.53BA3B.2B23.4B$2.44BA6B.ABAB15.51BA3B28.3B$3.35B3A4BA9BA3B15.B2AB2A38B.5B3A30.B$4.B2AB2A29BA5BA14B15.5BA36B2.5B$5.5BA20BABA6BA3BA15B15.2A17B.5BC17B$5.2A23BA2BA6BA3BA14B18.3A20BC3B2.12B$7.3A20B2ABA8B2A14B20.22BC2B3.13B$8.46B25.25B2.13B$9.23BA19B28.16B3C3B3C.12B$10.16B3A2BA3B.12B2.B30.23B2.5B.6B$11.20B2AB2.12B34.18BC2B4.4B.6B$12.20BA4.4B.6B35.10B.6BC3B6.7B$13.10B.6BA3B6.7B36.17BC3B6.3B.2B$13.17BA3B6.3B.2B36.22B6.4B$12.22B6.4B37.2A20B8.4B$11.2A20B8.4B36.2A20B9.4B$11.2A20B9.4B36.20B11.4B$12.20B11.4B36.9B.B.4B15.4B$13.9B.B.4B15.4B37.6B3.4B17.4B$15.6B3.4B17.4B40.B3.4B19.4B$19.B3.4B19.4B42.4B21.4B$22.4B21.4B40.4B23.4B$21.4B23.4B38.4B25.4B$20.4B25.4B36.4B27.4B$19.4B27.4B34.4B29.4B$18.4B29.4B33.3B31.4B$17.4B31.4B33.B33.3B$16.4B33.4B67.B$17.2B35.4B$55.2B!

Looking at the comparison two patterns up, without AbhpzTa's cleanup the only thing missing is the four yellow blocks. So probably at worst we could just build those blocks with two gliders each, or replace at least the outside ones with one glider each, and we'd be all set.

Or we could add another glider to AbhpzTa's cleanup to turn the awkward non-sparks back into sparks again:

x = 148, y = 144, rule = LifeHistory132.A$131.A$131.3A6$98.A$98.A.A10.A$98.2A10.A$110.3A16$79.A$78.A$78.3A10.A$91.A.A$91.2A19$89.A$88.A$88.3A8$103.A$102.2A$102.A.A5$83.2A$82.2A30.2A$84.A29.A.A$114.A4$27.3A$29.A64.3A$28.A65.A$95.A$64.2A$63.2A$65.A3$51.2A$50.A.A$52.A$29.2A52.2A$28.A.A52.A.A5.3A$30.A52.A7.A$92.A$71.3A$71.A$72.A$8.2A$7.A.A$9.A2$58.A$57.2A$57.A.A4$132.3A$132.A$133.A$9.3A$11.A$10.A$65.2A$65.A.A$65.A15$146.2C$3A142.2C$2.A96.3A45.C$.A97.A$100.A11$123.2C$122.2C$124.C! There's still a little cleanup to do, and probably a slightly cheaper method can be found -- I just went with the first spark suppression that worked reasonably well. But the basic recipe will work fairly well in a rake gun pattern. dvgrn Moderator Posts: 5451 Joined: May 17th, 2009, 11:00 pm Location: Madison, WI ### Re: Spaceship Discussion Thread If you use the right-hand half-recipe (with blinker deletion) to make a G-to-2-engine-cordership, and place two of them together, then you obtain a hilariously overkill AND gate. What do you do with ill crystallographers? Take them to the mono-clinic! calcyman Posts: 1984 Joined: June 1st, 2009, 4:32 pm ### Re: Spaceship Discussion Thread Back in Slightly More Reasonable Land, Entity Valkyrie's trick with the boat-keeper reaction does save a glider for a single 2-engine Cordership gun -- there's no problem with AbhpzTa's cleanup in that case. So eight gliders are enough in the context of a gun (except for the problem of placing the two in the Cordership output channel). That makes a nice easy-to-build ten-glider recipe with just two salvos: x = 98, y = 59, rule = B3/S2367b2o$66bobo$27b2o38bo$28b2o$27bo2$60b2o$60bobo$60bo6$29bo$29b2o$28bobo2$68b2o$67b2o$69bo$8bo$8b2o$7bobo3$53b3o$53bo$54bo6$9b2o$10b2o$9bo$62bo$61b2o$61bobo16$2o$b2o93b2o$o94b2o$97bo!

My crystal ball says there's a new and surprisingly small glider-to-Cordership converter in my future.

EDIT: Technically the boat isn't part of the cleanup -- the reaction really is a boat-keeper, that doesn't care whether the boat is there or not -- so an eater could be used instead to keep the boat from appearing in the first place:

x = 98, y = 60, rule = LifeHistory71.2A$71.A$69.A.A$27.2A40.2A$28.2A$27.A2$60.2A$60.A.A$60.A6$29.A$29.2A$28.A.A2$68.2A$67.2A$69.A$8.A$8.2A$7.A.A3$53.3A$53.A$54.A6$9.2A$10.2A$9.A$62.A$61.2A$61.A.A16$2A$.2A93.2A$A94.2A$97.A!

dvgrn
Moderator

Posts: 5451
Joined: May 17th, 2009, 11:00 pm

18 gliders plus a catalytic boat for the rake (I presume 22 gliders if the 4 SE gliders are made using kickbacks):

x = 133, y = 144, rule = B3/S23117bo$115b2o$116b2o4$16bo$17bo$15b3o$96bo$94b2o$95b2o15$10bo$8bobo$9b2o$75bobo$75b2o$76bo40$27bo$25bobo$26b2o4$7bo$8bo$6b3o5$99bo$98b2o$29bo23b2o43bobo$29b2o21bobo$28bobo22bo2$40b2o$39b2o38b2o$41bo36b2o$80bo13$9b2o$10b2o$9bo$34bo$33b2o$33bobo8$117b2o$116b2o$118bo6$2o$b2o65b2o$o66b2o$69bo$131b2o$130b2o$132bo8$117bo$116b2o$116bobo!

EDIT: I should make it clear that my only contribution to the above pattern is the final pair of gliders that clean up the second ship without interfering with the first.
chris_c

Posts: 890
Joined: June 28th, 2014, 7:15 am

chris_c wrote:18 gliders plus a catalytic boat for the rake (I presume 22 gliders if the 4 SE gliders are made using kickbacks)...

Ah, nice -- I'm glad the Magic Boat could be used on one side, anyway, just not on both. You've got the two half-recipes completely separated now, so a plain 2-engine Cordership could be turned into a rake at any time:

x = 413, y = 432, rule = B3/S23397bo$395b2o$396b2o4$8bo$9bo$7b3o$376bo$374b2o$375b2o15$2bo$obo$b2o$355bobo$355b2o$356bo232$211bo$209bobo$210b2o4$191bo$192bo$190b3o7$213bo23b2o$213b2o21bobo$212bobo22bo2$224b2o$223b2o$225bo14$193b2o$194b2o$193bo$218bo$217b2o$217bobo16$184b2o$185b2o65b2o$184bo66b2o$253bo50$379bo$378b2o$378bobo5$359b2o$358b2o$360bo26$397b2o$396b2o$398bo10$411b2o$410b2o$412bo8$397bo$396b2o$396bobo!#C [[ STEP 9 AUTOSTART ]] dbell wrote:#C A period 96 c/12 forward Cordership rake built using an old three-engine #C block puffer, the new two-engine Cordership, and the new four-engine rake. #C The Cordership converts the blocks into the usual honeyfarm reaction #C used to turn the gliders. This got me thinking: what's the best way nowadays to hold a data loop in a moving Cordership? "Data loop" means an arbitrarily long stream of circulating gliders, but a glider may or may not be present at any point, so none of the loop reflection reactions can rely on a glider being there every time. I don't have any really good ideas for what to do with data in a loop like that, even if it can be duplicated and sent out forward or backwards. A moving self-replicator is maybe vaguely possible, if it turns out that an approach like fch's p30 construction system would allow for a universal construction toolkit at p96. An intermittent p64 forward stream crashing into an intermittent p128 backward stream, possibly, somehow building and filling both the new forward data loop structure and the new backward one, and then getting out of the way before the back part arrives in the construction area? Or would it work better to build a temporary stationary structure? -- Okay, this is still a few orders of magnitude more difficult than the regular simple easy non-c/12 replicator, which I still haven't gotten around to finishing yet. Never mind for now... dvgrn Moderator Posts: 5451 Joined: May 17th, 2009, 11:00 pm Location: Madison, WI ### Re: Spaceship Discussion Thread Just posted a p556 2-engine Cordership gun on Entity Valkyrie's thread. All the signals from the left-side shotgun come from one signal loop, in an unusual way involving quadri-Snarks, CP semi-Snarks (color-preserving) and CP-semi-cenarks. Amusingly (though not to me), I built everything with p548 guns, because the original recipe supported that as the minimum period... but then I fiddled with the kickbacks to make the salvos easier to build, without noticing that I had increased the repeat time to p556. Luckily all the base guns I used were adjustable, and all it took was widening out the loop by one cell diagonally and spending a few minutes retiming signals. Not bad considering that I thought for a moment I'd have to start the whole project over. dvgrn Moderator Posts: 5451 Joined: May 17th, 2009, 11:00 pm Location: Madison, WI ### Re: Spaceship Discussion Thread dbell wrote:Finally, I want to clarify what I said before about the search script. It could be changed to use an already mostly stabilized component, and just one additional switch engine. For examples, one of the 'wings' of the three-engine Cordership, or the two-engine Cordership with a block removed. That might produce a nice three-engine result without too much work. I tried some searches with a single complete 2-engine Cordership and a switch engine as the "reactants", and found these puffers, among others: x = 624, y = 647, rule = B3/S23614bo$610b2o2bo$609bo5bo$608b2o2bobo3b3o$609b2o3bo$610b3o4$603b2o$603b2o5$618bo$613bobobobo$605b2o6bo6bo$605b2o5b2ob3o3bo$612b2o8bo$619bob3o$619bob3o2$615bo$600bob2o$599bo2b2o2b3o2bo7bo$599bo6b2o3bo$599b2o4b2o4bo$601bo$603b2o8$589bo$585b4obob3o5b2o$588bob2o8b2o4bobo$584bob2o4b2o11b2ob3ob2o$582bo22bo4b4o$572b2o4b2obob2o19b3o5b2o$572b2o5bob2o23bo$580bo32b3o6$580b2o$580b2o18bo$589b3o$559b2o28bobo10b2obo$559b2o28bo2b2o2bo6bobo$591b3o2bo3b2o4bo$591b3o2bo8bo$597bo7bo2$601bo3$562b2o$561b2o$562bo3bo$563b3o$564bo2$537b2o10b2o$537b4o8b2o12b2o$537bob2o23b2o$564b3o$538bo20bo5b2o$537b2o21bo4b3o$537b3o21bo3b3o$539bo25b3o$551b2o9b2ob2o$551b2o9b2ob2o$563bobo$564bo5$554bo$553b2o$552bo3bo$553b2o2bo$558bo$555bobo$556bo$556bo$556b2o$556b2o$485b2o$484bo2bo2b2o$484bo3b5o5b2o31bo10bo$484bobobo9b2o30b5o5bob2o11bo$489bo39bo10bo3bo9bo$481b3o46b2o8b3obo9b2o$476b2ob5o47b2o9b2o12bo$476bo2bo38b2o13bo21b3o$477bobo38b2o35b3o$478b2ob2o6$526b2o$526b2o11b2o$488b2o10b3o34b2o2bo$488b2o4bo6bo2bo37bo3bo$493bobo9bo30bo5bo3bo$493bobo6bobo32bo2b2o3bobo$538b3o5bo$546bo9$500b2o$500b2o3$501bo$500bo2bo$503bo$488b2ob2o5bo9bo$486b2o4bo4bo11bo$493b2o3bo4bo5bo$486bo4bob2o4b6o3bo$487b2o2bob2o6bob2o$488bo2bo5$481b3o2$479b2o$479bo4bo$479bo17b2o7bobo$471bo8bo2bo13b2obo3b2obo$471b2o9bo13b2ob5ob2o3b2o$443bo27bobo25bob2obobo3b2o$443bo30b4o21b3o4bob2o2bo$443bo6b4o2bo18b5o19bo7bobobo$425bo23bo2b2o2bo18bo2b2o4bo24bobo$424bobo21b4o2bo28b3o$424b2o20b2o34b2o2bo$445bobob4o29b2ob2o$446bob2obobo31b3o$453bobo27bob2o12bo$453bobo19b2o5bo2bo14b2o$446b2ob3o11b2o10b2o8bo11b2o$433bo11b3ob3o11b2o17bobo13bobo$432bobo10bo4bo32bo14b2o$432b2o12b3o49bo$446b2o36bo11bobo$484bo11bo2bo$484bo13b2o$499bo$462b3o4bo31b3o$462bo6bo$462bo6bo$463bo2bo$467bo$466b3o$468b2o$466bob2o$445b2o19bobo$445b2o20bo$438b3o$438bob2o$441b2o$440b3o22b2o$436bo4bo22bo$437bo2bo23bo$438b3o12b2o9b7o$434bo18b2o10bo5bo$432bob2o30b3o2bo$433bo2bo29bo4bo$437bo29bo2bo$434bobo30b3o$433b2o2$430b2o$429bo$386bo43b2o$386bo41bo30bo$386bo6b4o2bo30bo24bo2bobo$368bo23bo2b2o2bo29b2o23bo2bobo$367bobo21b4o2bo29b2o25b2o$367b2o20b2o41b2o20b2obo$388bobob4o28b2obo3bo22b2o2b2o$389bob2obobo30b3ob3o21b5o$396bobo31b2o23b3obo$396bobo25bo5bo$389b2ob3o11b2o17bo15bo13b3ob3o$376bo11b3ob3o11b2o19bo12bo5bo9bobobo$375bobo10bo4bo46bo5bo10b3o$375b2o12b3o48b2o4bo11bo$389b2o$420b2o20b3o$420b2o21b2o$444bo$405b3o4bo30bobo$405bo6bo31bo$405bo6bo31bo$406bo2bo$410bo$409b3o16b2o$411b2o15b2o12b2o$409bob2o28bo2bo$409bobo29b2obo$410bo32b4o$447bo$443b2o3bo$443bo3bo$408b2o34b3o$407bo$407bo$407b7o$408bo5bo$409b3o2bo$409bo4bo$399b2o9bo2bo$399b2o9b3o6$396bo3b2o$394b2obob3o3bo$394bo4b3o3bo$394bo3bo6bo$395b3o$397bo8$377bobo$373bo3bobo3b2o2bo6b2o8bo$379b2ob2obob3o4b2o4bo3b2o$379bo7bobo9bobob2obo$373bobobo24bo4bo$366b2o5b3obo2bo17b3obo3bo2bo$366b2o6bo3bo$347bo59bobo$347bo10b2o48bo$347bo10b2o2$343b3o3b3o$317b3o$347bo26b2o14bob2o$347bo26b2o13bo4bo$347bo46bo$383b3o3bo6b2o$348bo12b2o20bo2bo3bo7b2o$347bobo10b2o24bo4bo7bo$347bo2bo10bo3bo18bobo4b2o5b2o$325b3o20b2o12b3o20bo7b5o$340b2o21bo$339bo2bo$336bo3b2o$328b2o5bobo24b2o$329bo5bobo25b2o$325b2obob2o4bo26b3o$325b2obob2o26bo5b2o$327b4obo26bo4b3o$327b2o19b2o10bo3b3o$328b2o17bo2bo13b3o$328b2o18b2o11b2ob2o$329bo31b2ob2o$338b2o22bobo$337bo2bo22bo$337b2ob2o$339bo12b2o$352b2o$328b5o$327bo4bo$326b4o$326b5o$327bob2ob2o$326b2ob2obob2o$327b2o2b3o$326b2o$326b2o$324bobobo$322b2o32bo$322bobo29b2ob3o$321bo2bo28bo2bob3o$322bo4bob2o26b2ob2o$324b3o3bo26bo2b3o$324bo3bobo22b7o2b3o$325b2obo27bo3bo2bo$325b2ob2o26b7o$356b2o2bo$327b2o29bobo$328bo30bo$326bobo$329bo11b5o$309b2o8b2o3bo4bo11b2obo$309b2o8b2o2bo5b2o11b3o$329bo12b2o$324b2o2b3o11bo$329b2o10bobo$341b2o$340bob3o$341bo3bo$326bo2bo10bo3bo$327b2o15b3o$296b2o44b2o$296b2o44b2ob2o$344bo2$311b2o$310b2ob2o$315b2o$291b3o19bo3bo$290bo2bo10b2o8b3o$290b3obo9b2o$290b2o2$291b2o$292bo$292bo$288bo13b2o$287bo14b2o$287bo3bo$292bo$288bo$285b2o5bo$284b2ob2ob2o13b3o$285bo4bo5bobo5bo$286bo2bo2bobo9bobob2o$286b2o4bo10b2o3b2o$292bobo3bo5b3ob2o$281b3o11b2obo5b4o$281bo2bo21b2o$281bo2bo$237b3o40b4o$250b2o27bo$220bo29b2o29bo$219bobo57b2o$219b2o55bobo$275bo2bo$275bo$244b4o27b2o25bo$243bo2b2o27b2o26b5o$249bo8b2o18bo23bobo2bob3o$243b2o3bo9b2o17bo27bo6bo$240bobo26b2o31bo3b2o4bo$239bo2bo26b2o30bobo3bo4bo$236b4obo60bo6b3o$236bo2bo$236bo2bo$237b2o3$277b2o$277b2o$292bo$247b2o12bo28b2ob2o$246b2o13bo31b3o$246b3o11bo$254bo6b2obo28b3o$248bob2obobo5b2ob2o28bo$248bo2bo2bo7bobo$242bo5bobo$241bobo$240b2ob2o$241bob2o$241b2o2bo$241b2obo$242bo2$238bobo11b2o$238bo13b2o$238bo2bo$239bo2bo$238b2o2bo$236b3o2bo$235b2o3bo15bo$235bo2b2o4bo2bo7bobo$236b3o4bo3b2o5bo3bo$243bo3bo5b2obobo$243bo3bo5b2obobo$231b2o11bo2bo7b3o$231bobo12bo$233b2o$232bo$230bobo$229b2o$231bo$227bo$226b2o$225bo2bo24bo$225b2o25bo2bo$226bobo15bo6bo4bo$226b3o15bo7b2o2bo3bo$251b2obobo2bobo$194b2o5b2o16b2o30b2o3bobo3bo$193bo2bo4b2o16b2o7bo22bo3bo3bobo$194b2o30b2o24b2o6bo$244bo$243bo$244bo3$189b2o36b2o$188bobo36b2o$189bo52b2o$241b3o$242b2o$190b2o52bo$189bo2bo11bo39bo$184b2o6bo3bo6b3o38bo$183bobo3b5o3bo5b3o$182b3o6bo6bo7b3o$182b3ob2o4bo3b2o$185b3o4b2o$182bo4bo$185bo$182bob2o$183bob2obo3b2o$182b4o2bo3b2o$184b2o2bo$186bo2$179bobo$178b2obo$177b4o11bo$191b2o$190b2o5b3o$191b2o2$197bo$195bo2bo$167b3o25bo$167b3o$167bo2bo24bob2o$168b3o25bo$168b2o2$180b2o$180b2o12bo$193bo$192b2ob4o$184b2o7bob5o$144b2o13b2o22b2o8bo6bo$144b2o13b2o5b3o15bo9b3o2b3o$165bo2bo14b2o10bobob2o$166b2o16b2o9b2ob2o$167b2o27b3o$184bo12bo$165bobo16b3o$166b2o13bobo$167bo12b2o3bo$181bo2$148bo34b3o$149b2o$146b2o$147bobo$134b2o11b2o$134b2o11bo$145bobo$145bo2bo$147b2o$148bo$150b3o8$141b2o$141b2o$129bo$127b3o$128b2o$129b2o$127bo5b2obo$127b7ob3o$142bo6b2o$131bo10b3o4b2o$117bo7bo4bo5bo4b2obo$123bobo4bo3b2o$117b5o9b2o$118b2o4b2o$118bobo3b2o$121b2o$123bo$115bo$114b3o$113bo2b2o$77bo34b3ob2o27bob2o$76b3o34b5o26bo4bo$76bo2bo35bo33bo$78b2o58b3o3bo6b2o$138bo2bo3bo7b2o$108b2o31bo4bo7bo$108b2o29bobo4b2o5b2o$140bo7b5o5$88bo$116b2o$73b3ob2o37b2o15bo$73b3ob3o3b2o9b2o33bo3b2o$72bo11b4ob2o3b2o32bobob2obo$71bo2b3obo6b3o43bo4bo$72b4obobo7bo2bo36b3obo3bo2bo$77bobo$78bo57bobo$137bo7$91b3o$85bo2b3o2bo$84bo8bo2b2o$84bo5bobo5bo$84b2ob2o2b2ob2o2bo$85bo7bobob2o$94bo$78b2o$78b2o5$78b2o$78bobo$80bo5b2o$78bobo5b2o$77bo$77bobo$77bo2$73b3o$72bo$72bo2bo12b2o$73bo14b3o$74b2o11bo2bo$74bobo11bo3bo$73b2o14bob3o$73b2o16b2o$74bo15b3o$90b2o$90bo$91b2o$61b3o$61bo2bo$30b2o31b2o9b2o$30b2o42b2o$59bo2bo26bo$60b2o27b2o$63b2o24bo2bo$53b2o7b3o10b2ob2o$14b2o37b2o8bo11bo2bo11bobo$14b2o44bo2bo13b2o12bo$38b2o21b2o13bo$38b2o21b2o12bobo2$61b3o2$77b4o$77bo6$19b2o6bo$19b2o6bo$14b2o10bobo11b2o$14b2o11b3o9b2ob2o$27b2o2b4o9b2o$27bo7bo6bo3bo$28bo5bo8b3o$28bo5$25b2o$25b2o5$25b2o$25bobo$27b2o4b2o$26bo6b2o$24bobo$23b2o$25bo$21bo$20b2o$19bo2bo$19b2o14bobo$20bobo11bo2bo$20b3o11bo2b2o$35b3ob2o$37bo2bo$22bo$20b2o$36bo2bo$37bobo$9bo28bo$8b3o$8bo2bo$10b2o9b2o$10bo10b2o$7b2o27b2o$7b4o24b3o$8bo2bo24b2o$2o7bo12b5o11bo$2o20bo15bo$8bobo12b3o12bo$7bo2bo12bobo$8b2o13bo$10bo$9bo$9bo15b2o$24b3o$24bobo! May or may not be that useful. Like the two engine boat puffers, there's not enough room to combine two of the 3-engine ones to lay tracks for a swimmer. The p192 century puffer could (maybe) be used to build p192 Corderships with as few as 5 SEs — what's the smallest p192 Cordership known? I haven't tried "wings" or a Cordership minus a block yet — I'm suspicious the latter wouldn't return anything new, but the former could have possibilities if one were to take a "wing" plus the second SE from the Cordership and search for combinations of that pair with a third SE — I might try that next. x₁=ηx V ⃰_η=c²√(Λη) K=(Λu²)/2 Pₐ=1−1/(∫^∞_t₀(p(t)ˡ⁽ᵗ⁾)dt) $$x_1=\eta x$$ $$V^*_\eta=c^2\sqrt{\Lambda\eta}$$ $$K=\frac{\Lambda u^2}2$$ $$P_a=1-\frac1{\int^\infty_{t_0}p(t)^{l(t)}dt}$$ http://conwaylife.com/wiki/A_for_all Aidan F. Pierce A for awesome Posts: 1750 Joined: September 13th, 2014, 5:36 pm Location: 0x-1 ### Re: Spaceship Discussion Thread Thanks for those synthesis reactions for the rake. I really like the one with the delayed construction of the second half. It might be interesting to use the new heizenburp device so as to trigger the creation of the second half. Then the first half could call its other half over to 'dance'. Also, we have had loops in Cordership technology for years, using forward gliders and boats. Here is an old rake showing this. Any of the boats can be removed to make any output pattern you want. x = 119, y = 14533bo$32boo7bo$31bobob3obbobo$30b3o3boo3bo$31boboboobobo$32booboo$33bob5obo$37b4o11boo$52boo7$60boo$36bo23boo$39bo6bobo$34bo11bobobo$33bo3bobbo10boo$34b3obbo10bo$35bo3bo$37boo$25boo10bo$26bobbo4bo$23bobb3obobbobo$23bobbo4b4o$23bobbo$26bo6bo$25boobo$3bo29bo$bboo7bo19boo41b3o$bobob3obbobo$3o3boo3bo66bo$boboboobobo63bo3boo12bo$bbooboo69bobo13boo$3bob5obo61b3o16bobo$7b4o11boo51bo$22boo67boo$23bo50boo16boo$24bo50boo14bobbo$23bobo49bo15b3o5boo$23bobo4boo43boo22boo$24b4ob3o42boo$28boobbo$25bobbobbo$6bo18bobo$9bo6bobo6b3o62bo$4bo11bobobo4bo39boo3b4o11boob3o$3bo3bobbo10boobbobbo31b3obobbo6bo13bobo16boo$4b3obbo10bobo3b3o35bobbobb5o10b3o19boo$5bo3bo13bobooboo34bobbo$7boo13b3obobbo36bo$7bo14boboob3o33bobo17boo$64bo18boo$46bo51bo$45bobo49bobo$10boo32bo3bo27bo19bo3bo$10boo13bobbo16bobo14bo12bobo19bobo$25bobbo17bo15bo12bobo20bo$20boo4bo35bo13bo$21boo4bo18b4o48b4o$21bobo21bo4bo13bo32bo4bo$21bobo23bo15bobo33bo$20boobbo19bo3bobbo12bo31bo3bobbo$19bo3bo20bob3obo45bob3obo$20b3o22b3obo47b3obo$21bo3$29boo$29bobo57b3o$30bo67bo$91boo5b3o8boo$91b4o4bo9boo$42b3o46boob3oboo$42bo7boo44bobo$43bo6boo$37boo$37bobo$38bo$117boo$117boo$$58boo$58boo$45boo53boo$45bobo55bo$46bo51boo4boo$97boo6bo$96b3obboobbo$58b3o28b3o9boobo$58bo7boo9booboo8boo$59bo6boo9boo8booboo$53boo22boobobo5boo$53bobo24bobo$54bo26boo4$74boo$74boo$61boo$61bobo$62bo3$74b3o$74bo$75bo$69boo29bo$69bobo27bo$70bo28b3o6$77boo$77bobo$78bo6$85boo$85bobo$86bo14$84bo$83bo\$83b3o!

It should be easy enough to get output gliders at the top of loop instead of the bottom, using for example the glider duplicating reaction shown in the logarithmic growth Cordership pattern.

I had thought of encoding construction instructions in such a loop, but since it moves, and the period is so high, and it only has one lane it seemed useless. But, maybe if two such loops were side by side, pairs of gliders might allow for more useful things.

BCNU,
-dbell
dbell

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Joined: June 27th, 2013, 12:47 am

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