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Small Spaceship Syntheses

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

Re: Small Spaceship Syntheses

Postby Kiran » April 1st, 2017, 11:16 am

LifeWiki lists the glider as a pattern requiring two gliders for synthesis.
I discovered a more efficient synthesis, requiring only one glider:
x = 3, y = 3, rule = B3/S23
bo$2bo$3o!

I also found a spaceship that can be synthesized using zero gliders (the resulting spaceship has zero cells and an indeterminate velocity):
x = 1, y = 1, rule = B3/S23
!
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Re: Small Spaceship Syntheses

Postby gmc_nxtman » June 11th, 2017, 10:50 pm

I tried to make a collection of all the smallest and lowest-period guns for all non-standard spaceships. If anyone knows of guns I missed, or optimizations to the guns already in the collection, notify me.

guns-nonstandard.zip
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Re: Small Spaceship Syntheses

Postby calcyman » June 12th, 2017, 2:36 am

gmc_nxtman wrote:I tried to make a collection of all the smallest and lowest-period guns for all non-standard spaceships. If anyone knows of guns I missed, or optimizations to the guns already in the collection, notify me.


Is there a size limit? There exist guns for both the parallel HBK and for the Gemini.
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Re: Small Spaceship Syntheses

Postby dvgrn » June 12th, 2017, 7:50 am

calcyman wrote:Is there a size limit? There exist guns for both the parallel HBK and for the Gemini.

There's also a gun for one of the Demonoids, which has the dubious distinction of being the only spaceship gun that was completed before its spaceship. The very first 0hd Demonoid was constructed by the gun.
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Re: Small Spaceship Syntheses

Postby Goldtiger997 » October 28th, 2017, 9:07 am

Has anyone tried synthesising 46P4H1V0 using this method (variant originally posted by Sphenocorona here)?:

x = 61, y = 18, rule = LifeHistory
6.A.A13.A.A$5.3A.A3.A3.A3.A.3A$3.2A4.A3.A3.A3.A4.2A$9.2A3.A.A3.2A$14.
A.A23.3A9.3A$6.A6.2A.2A6.A16.A11.A$8.A2.A7.A2.A$8.7A.7A17.A2.A.A3.A.A
2.A$5.A8.A.A8.A12.3A.5A.5A.3A$10.2A7.2A17.2A2.3A.A.A.3A2.2A$6.2A2.2A.
D3.2D2A2.2A12.3A5.A3.A5.3A$6.2A5.E3.E5.2A13.2A15.2A$2.A9.E5.E9.A6.A
23.A$A.A.2A19.2A.A.A5.A21.A$.A4.A17.A4.A4.A.A21.A.A$7.A15.A11.A23.A$
4.2A19.2A$5.A19.A!


To make this work, the yellow sparks and potentially some other things would have to be replaced with something else that either turns the right hand red cells on in gen 3, or the left hand red cells on in gen 4,
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Re: Small Spaceship Syntheses

Postby 2718281828 » November 3rd, 2017, 9:52 am

A small reduction from 63G to 61G for 60P5H2V0 (http://www.conwaylife.com/wiki/60P5H2V0):
x = 179, y = 173, rule = B3/S23
22bo$23b2o$22b2o143bo$167bobo3bo$167b2o3bo$13bobo156b3o$14b2o6bobo$14b
o8b2o$23bo$160bobo12bo$160b2o11b2o$161bo12b2o3$9bo$7bobo$8b2o$158bo13b
o$158bobo10bo$158b2o11b3o4$157bo$42bobo112bobo$43b2o112b2o$43bo3$146bo
$146bobo$146b2o3$51bo92bobo$52bo91b2o$50b3o92bo4$135bo$134bo$134b3o12$
105bobo$105b2o$106bo2$81bo$55bo23bobo$56b2o22b2o$55b2o3$74bo27bobo$75b
2o25b2o$74b2o27bo2$64bo$62bobo$63b2o$73bo5bo6bo16bobo$74bo5b2o5bo15b2o
$72b3o4b2o4b3o16bo3$67bobo$68b2o$68bo20bo$87bobo$88b2o$92bo$90b2o$91b
2o5$77bo$77b2o12b2o$76bobo11b2o$92bo$88b2o$87bobo$89bo$71b2o$72b2o$71b
o3$90bo$89b2o$89bobo8$52bo$52b2o$51bobo18bo$65b3o4b2o43b2o$67bo3bobo
43bobo$56b3o7bo50bo$58bo$57bo$137b2o$137bobo$137bo2$58b2o59bo$59b2o57b
2o$58bo59bobo4$64b2o$56b2o5bobo71b2o$55bobo7bo71bobo$57bo79bo2$140b3o$
140bo$141bo$50b3o92bo$52bo91b2o$51bo92bobo3$146b2o$146bobo$146bo7$bo
40bo$b2o39b2o$obo38bobo2b3o$9b2o37bo128bo$8bobo36bo128b2o$10bo148b2o
15bobo$158b2o$160bo4$161bo$160b2o$160bobo$23bo$14bo8b2o$14b2o6bobo$13b
obo156b3o$167b2o3bo$167bobo3bo$22b2o143bo$23b2o$22bo!
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Re: Small Spaceship Syntheses

Postby BlinkerSpawn » November 3rd, 2017, 10:13 am

2718281828 wrote:A small reduction from 63G to 61G for 60P5H2V0 (http://www.conwaylife.com/wiki/60P5H2V0):
rle

The relevant reduction, for those that don't see it:
x = 65, y = 33, rule = B3/S23
61bo$18bobo40bobo$18b2o41b2o$19bo38bo$54bo4b2o$55bo2b2o$53b3o$13bo3bob
o$14bo2b2o$3b2o7b3o3bo43bo$3bobo39b2o13bobo$2obobo39bobo13b2o$2obob2o
35b2obobo$4bo3bo2bo30b2obob2o$5b7o34bo3bo2bo8b3o$47b7o8bo$5b7o51bo$4bo
3bo2bo35b7o$2obob2o39bo3bo2bo$2obobo36b2obob2o$3bobo36b2obobo$3b2o40bo
bo$45b2o3$11b3o$13bo2b2o35b3o$12bo4b2o36bo2b2o$16bo37bo4b2o$19b2o37bo$
19bobo39b2o$19bo41bobo$61bo!
LifeWiki: Like Wikipedia but with more spaceships. [citation needed]

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Re: Small Spaceship Syntheses

Postby dvgrn » November 4th, 2017, 1:31 pm

gmc_nxtman wrote:I tried to make a collection of all the smallest and lowest-period guns for all non-standard spaceships. If anyone knows of guns I missed, or optimizations to the guns already in the collection, notify me.

Jumping back to a topic from a few months ago, it looks like Nathaniel's p960 Big A gun and Sokwe's p144 version aren't in gmc_nxtman's collection.

-- Yikes, those messages have three-digit post numbers. Haven't seen that in a while.

There seem to be several more spaceships-with-recipes on that thread that could easily be turned into guns, and maybe there are a few more actually constructed guns out there, reachable from the Stable Signal Converters thread or elsewhere? I did just a quick spot check, but couldn't immediately think of any missing guns besides the Big A.
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Re: Small Spaceship Syntheses

Postby Kazyan » November 4th, 2017, 6:44 pm

gmc_nxtman wrote:I tried to make a collection of all the smallest and lowest-period guns for all non-standard spaceships. If anyone knows of guns I missed, or optimizations to the guns already in the collection, notify me.

guns-nonstandard.zip


New p46 tech allows for a smaller p46 Coe Ship gun, down from 133x96:

x = 107, y = 87, rule = B3/S23
19b2o5b2o5b2o5b2o$19b2o5b2o5b2o5b2o52b4o$53b2o5b2o16b2o14bo2b2o6b2o$
53b2o5b2o16b2o15bo2b2o5b2o$95bo2bo$33b3o3b3o54b2o$32bo2bo3bo2bo37bo3bo
$36bobo40bobobobo10b2o$32b2o7b2o34b2o2bobo2b2o7bo2bo$32b2o7b2o34b2o7b
2o7bo2b2o5b2o$35bo3bo37b2o2bobo2b2o6bo2b2o6b2o$35b2ob2o39bobobobo8b4o$
19bo7bo5b3o3b3o38bo3bo$17bob2o5b2obo3b2o5b2o11bo7bo$17bo3b2ob2o3bo3bo
7bo49b2o$18bo3bobo3bo22b3o7b3o17b2o10bo$19b3o3b3o24b2ob2ob2ob2o16bo3b
2o5b2o2bo10b2o$53b3o3b3o17b6o6bo2bo10b2o$54bo5bo20bob2o7bobo$81bo10b2o
$80bo3bo$81bo2b2o6b2o$82b4o6bobo$91bo2bo10b2o$72bo17b2o2bo10b2o$42b2ob
o24b2o6bob2o11bo$7bo25bobo6b2ob3o23b2o3b3ob2o9b2o$7b3o9b2o13b2o12bo26b
o$10bo8b2o13bo7b2ob3o28b3ob2o$9b2o32bobo7b2o5b2o16bobo2bo$3b2o38bobo7b
2o5b2o20b2o$4bo39bo$3bo$3b2o29bo44b2o$32bo3bo40bo4bo$3b2o9bo2bo19bo18b
5o22bo17b6o$3bobo6b2o4b2o12bo4bo17bo4bo7b2o6bo6bo8bo7bo5bo$4bo9bo2bo
15b5o7bo14bo6bo8b8o6b3o7bo5bo$b3o6b2ob2o31b2o7bo3bo17b2o13bo8bo3bo$bo
6b2ob2o32b2o10bo10bo2bo22b2o7bo$11bo2bo11bo30b2o10bobo22b2o7b2o$8b3o3b
3o8b3o28b4o21b2o19b4o$14bo9b2ob2o27b2ob2o18b2ob2o18b2ob2o$11bob2o8b2o
3b2o6b2o20b2o19b4o21b2o$10bo2bo10b2ob2o7b2o42b2o$10bo7b2o$10bo2bo3bobo
$7b2o2b2o4bo19b2o45b2o$6bobo7b2o19bo47bo$6bo31b3o44bob2ob2o$5b2o19bo
13bo12b2o31bobobobo$20b2obobobo25bobo7b3o7bo13bo4bo$20bob2ob2obo24bo9b
o9b3o16b2o$28bo35bo11bo19b2o$28b2o10b2o5b2o26b2o19bo$41b2o5bo45bobo$
40bo7bobo35bobo5b2o$49b2o2b2o21b2o8bobo$53b2o21b2o8b3o$100b2o$100bo$
50b2obobo42bobo$50b2obobo8b3o8b2o9bo7b2o2b2o$50b2o3bo8bo10bobo7bobo6b
2o$b2o47b2o4b2o7bo9bo$bobo25bo13bo6b2o5b2o$29b2o12b3o7b3obo$28bobo15bo
5b2o3bobobo$o8b4o32bobo6bo2bo3bo23bobo$2o7b2obo32b2o7bobo2bobo7bo16bo$
12bo20b2o33b3o16bo17bo$10b2o20bo2bo9b2o20bobobo15bo8bobo4b3o$31b2o2bo
4bo4bo21bobobo24b3o3bo$10b2o20bo2bo3bo3bobo19b2ob3ob2o13b2o8bo3bobo$
12bo20bo5b6o19bob2obob2obo12b2o13b2o$2o7b2obo38b2o5b2o3b2obo5bob2o$o8b
4o20bo5b6o7bo5b2o4b2obo3bob3o26b2o$32bo2bo3bo3bo2bo2b3o13b3o3b3ob3o25b
o$31b2o2bo4bo4b2o2bo26bobo21b3o$bobo28bo2bo21b2o19bo21bo$b2o30b2o23bo
19b2o16b2o$55b3o16b2o20bo$55bo13bo4bo22b3o$68bobobobo24bo$67bob2ob2o$
67bo$66b2o!


I also suspect that Simkin's glider gun and edgeshooters can improve the p120 OWSS gun.
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Re: Small Spaceship Syntheses

Postby A for awesome » November 4th, 2017, 7:24 pm

Kazyan wrote:
New p46 tech allows for a smaller p46 Coe Ship gun, down from 133x96:

x = 107, y = 87, rule = B3/S23
19b2o5b2o5b2o5b2o$19b2o5b2o5b2o5b2o52b4o$53b2o5b2o16b2o14bo2b2o6b2o$
53b2o5b2o16b2o15bo2b2o5b2o$95bo2bo$33b3o3b3o54b2o$32bo2bo3bo2bo37bo3bo
$36bobo40bobobobo10b2o$32b2o7b2o34b2o2bobo2b2o7bo2bo$32b2o7b2o34b2o7b
2o7bo2b2o5b2o$35bo3bo37b2o2bobo2b2o6bo2b2o6b2o$35b2ob2o39bobobobo8b4o$
19bo7bo5b3o3b3o38bo3bo$17bob2o5b2obo3b2o5b2o11bo7bo$17bo3b2ob2o3bo3bo
7bo49b2o$18bo3bobo3bo22b3o7b3o17b2o10bo$19b3o3b3o24b2ob2ob2ob2o16bo3b
2o5b2o2bo10b2o$53b3o3b3o17b6o6bo2bo10b2o$54bo5bo20bob2o7bobo$81bo10b2o
$80bo3bo$81bo2b2o6b2o$82b4o6bobo$91bo2bo10b2o$72bo17b2o2bo10b2o$42b2ob
o24b2o6bob2o11bo$7bo25bobo6b2ob3o23b2o3b3ob2o9b2o$7b3o9b2o13b2o12bo26b
o$10bo8b2o13bo7b2ob3o28b3ob2o$9b2o32bobo7b2o5b2o16bobo2bo$3b2o38bobo7b
2o5b2o20b2o$4bo39bo$3bo$3b2o29bo44b2o$32bo3bo40bo4bo$3b2o9bo2bo19bo18b
5o22bo17b6o$3bobo6b2o4b2o12bo4bo17bo4bo7b2o6bo6bo8bo7bo5bo$4bo9bo2bo
15b5o7bo14bo6bo8b8o6b3o7bo5bo$b3o6b2ob2o31b2o7bo3bo17b2o13bo8bo3bo$bo
6b2ob2o32b2o10bo10bo2bo22b2o7bo$11bo2bo11bo30b2o10bobo22b2o7b2o$8b3o3b
3o8b3o28b4o21b2o19b4o$14bo9b2ob2o27b2ob2o18b2ob2o18b2ob2o$11bob2o8b2o
3b2o6b2o20b2o19b4o21b2o$10bo2bo10b2ob2o7b2o42b2o$10bo7b2o$10bo2bo3bobo
$7b2o2b2o4bo19b2o45b2o$6bobo7b2o19bo47bo$6bo31b3o44bob2ob2o$5b2o19bo
13bo12b2o31bobobobo$20b2obobobo25bobo7b3o7bo13bo4bo$20bob2ob2obo24bo9b
o9b3o16b2o$28bo35bo11bo19b2o$28b2o10b2o5b2o26b2o19bo$41b2o5bo45bobo$
40bo7bobo35bobo5b2o$49b2o2b2o21b2o8bobo$53b2o21b2o8b3o$100b2o$100bo$
50b2obobo42bobo$50b2obobo8b3o8b2o9bo7b2o2b2o$50b2o3bo8bo10bobo7bobo6b
2o$b2o47b2o4b2o7bo9bo$bobo25bo13bo6b2o5b2o$29b2o12b3o7b3obo$28bobo15bo
5b2o3bobobo$o8b4o32bobo6bo2bo3bo23bobo$2o7b2obo32b2o7bobo2bobo7bo16bo$
12bo20b2o33b3o16bo17bo$10b2o20bo2bo9b2o20bobobo15bo8bobo4b3o$31b2o2bo
4bo4bo21bobobo24b3o3bo$10b2o20bo2bo3bo3bobo19b2ob3ob2o13b2o8bo3bobo$
12bo20bo5b6o19bob2obob2obo12b2o13b2o$2o7b2obo38b2o5b2o3b2obo5bob2o$o8b
4o20bo5b6o7bo5b2o4b2obo3bob3o26b2o$32bo2bo3bo3bo2bo2b3o13b3o3b3ob3o25b
o$31b2o2bo4bo4b2o2bo26bobo21b3o$bobo28bo2bo21b2o19bo21bo$b2o30b2o23bo
19b2o16b2o$55b3o16b2o20bo$55bo13bo4bo22b3o$68bobobobo24bo$67bob2ob2o$
67bo$66b2o!

Shaved off a row on the left (to 106x87) by using a different gun and some welding:
x = 106, y = 87, rule = B3/S23
18b2o5b2o5b2o5b2o$18b2o5b2o5b2o5b2o52b4o$52b2o5b2o16b2o14bo2b2o6b2o$
52b2o5b2o16b2o15bo2b2o5b2o$94bo2bo$32b3o3b3o54b2o$31bo2bo3bo2bo37bo3bo
$35bobo40bobobobo10b2o$31b2o7b2o34b2o2bobo2b2o7bo2bo$31b2o7b2o34b2o7b
2o7bo2b2o5b2o$34bo3bo37b2o2bobo2b2o6bo2b2o6b2o$34b2ob2o39bobobobo8b4o$
18bo7bo5b3o3b3o38bo3bo$16bob2o5b2obo3b2o5b2o11bo7bo$16bo3b2ob2o3bo3bo
7bo49b2o$17bo3bobo3bo22b3o7b3o17b2o10bo$18b3o3b3o24b2ob2ob2ob2o16bo3b
2o5b2o2bo10b2o$52b3o3b3o17b6o6bo2bo10b2o$53bo5bo20bob2o7bobo$80bo10b2o
$79bo3bo$80bo2b2o6b2o$81b4o6bobo$90bo2bo10b2o$71bo17b2o2bo10b2o$41b2ob
o24b2o6bob2o11bo$6bo25bobo6b2ob3o23b2o3b3ob2o9b2o$6b3o9b2o13b2o12bo26b
o$9bo8b2o13bo7b2ob3o28b3ob2o$8b2o32bobo7b2o5b2o16bobo2bo$2b2o38bobo7b
2o5b2o20b2o$3bo39bo$2bo$2b2o29bo44b2o$31bo3bo40bo4bo$2b2o9bo2bo19bo18b
5o22bo17b6o$2bobo6b2o4b2o12bo4bo17bo4bo7b2o6bo6bo8bo7bo5bo$3bo9bo2bo
15b5o7bo14bo6bo8b8o6b3o7bo5bo$3o6b2ob2o31b2o7bo3bo17b2o13bo8bo3bo$o6b
2ob2o32b2o10bo10bo2bo22b2o7bo$10bo2bo11bo30b2o10bobo22b2o7b2o$7b3o3b3o
8b3o28b4o21b2o19b4o$13bo9b2ob2o27b2ob2o18b2ob2o18b2ob2o$10bob2o8b2o3b
2o6b2o20b2o19b4o21b2o$9bo2bo10b2ob2o7b2o42b2o$9bo7b2o$9bo2bo3bobo$6b2o
2b2o4bo19b2o45b2o$5bobo7b2o19bo47bo$5bo31b3o44bob2ob2o$4b2o19bo13bo12b
2o31bobobobo$19b2obobobo25bobo7b3o7bo13bo4bo$19bob2ob2obo24bo9bo9b3o
16b2o$27bo2b2o31bo11bo19b2o$20b6ob2o2bo7b2o5b2o26b2o19bo$20bo2bo2bo2b
2o9b2o5bo45bobo$26bobo10bo7bobo35bobo5b2o$25b2ob3o17b2o2b2o21b2o8bobo$
31bo20b2o21b2o8b3o$2b2o21b2ob3o68b2o$b4o7b2o11b2obo70bo$obobo6bo2b2o
33b2obobo42bobo$2ob3o4b6o33b2obobo8b3o8b2o9bo7b2o2b2o$3b2obo5b4o33b2o
3bo8bo10bobo7bobo6b2o$3b2obo42b2o4b2o7bo9bo$28bo13bo6b2o5b2o$3b2obo21b
2o12b3o7b3obo$3b2obo5b4o11bobo15bo5b2o3bobobo$2ob3o4b6o28bobo6bo2bo3bo
23bobo$obobo6bo2b2o28b2o7bobo2bobo7bo16bo$b4o7b2o53b3o16bo17bo$2b2o40b
2o20bobobo15bo8bobo4b3o$44bo21bobobo24b3o3bo$42bobo19b2ob3ob2o13b2o8bo
3bobo$17b2o23b2o19bob2obob2obo12b2o13b2o$2o15bobo30b2o5b2o3b2obo5bob2o
$2o17bo22b2o7bo5b2o4b2obo3bob3o26b2o$17b3o22bo2bo2b3o13b3o3b3ob3o25bo$
44b2o2bo26bobo21b3o$56b2o19bo21bo$57bo19b2o16b2o$17b3o34b3o16b2o20bo$
2o17bo7b2o25bo13bo4bo22b3o$2o15bobo7b2o38bobobobo24bo$17b2o47bob2ob2o$
66bo$65b2o!
x₁=ηx
V ⃰_η=c²√(Λη)
K=(Λu²)/2
Pₐ=1−1/(∫^∞_t₀(p(t)ˡ⁽ᵗ⁾)dt)

$$x_1=\eta x$$
$$V^*_\eta=c^2\sqrt{\Lambda\eta}$$
$$K=\frac{\Lambda u^2}2$$
$$P_a=1-\frac1{\int^\infty_{t_0}p(t)^{l(t)}dt}$$

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Re: Small Spaceship Syntheses

Postby Gamedziner » November 4th, 2017, 10:35 pm

A few optimizations:
x = 106, y = 87, rule = B3/S23
18b2o5b2o5b2o5b2o$18b2o5b2o5b2o5b2o52b4o$52b2o5b2o16b2o14bo2b2o6b2o$
52b2o5b2o16b2o15bo2b2o5b2o$94bo2bo$32b3o3b3o54b2o$31bo2bo3bo2bo37bo3bo
$35bobo40bobobobo10b2o$31b2o7b2o34b2o2bobo2b2o7bo2bo$31b2o7b2o34b2o7b
2o7bo2b2o5b2o$34bo3bo37b2o2bobo2b2o6bo2b2o6b2o$34b2ob2o39bobobobo8b4o$
18bo7bo5b3o3b3o38bo3bo$16bob2o5b2obo3b2o5b2o11bo7bo$16bo3b2ob2o3bo3bo
7bo49b2o$17bo3bobo3bo22b3o7b3o17b2o10bo$18b3o3b3o24b2ob2ob2ob2o16bo3b
2o5b2o2bo10b2o$52b3o3b3o17b6o6bo2bo10b2o$53bo5bo20bob2o7bobo$80bo10b2o
$79bo3bo$80bo2b2o6b2o$81b4o6bobo$90bo2bo10b2o$71bo17b2o2bo10b2o$41b2ob
o24b2o6bob2o11bo$6bo25bobo6b2ob3o23b2o3b3ob2o9b2o$6b3o9b2o13b2o12bo26b
o$9bo8b2o13bo7b2ob3o28b3ob2o$8b2o32bobo7b2o5b2o16bobo2bo$3b2o37bobo7b
2o5b2o20b2o$4bo38bo$2bo$2b2o29bo44b2o$31bo3bo40bo4bo$2b2o9bo2bo19bo18b
5o22bo17b6o$2bobo6b2o4b2o12bo4bo17bo4bo7b2o6bo6bo8bo7bo5bo$3bo9bo2bo
15b5o7bo14bo6bo8b8o6b3o7bo5bo$3o6b2ob2o31b2o7bo3bo17b2o13bo8bo3bo$o6b
2ob2o32b2o10bo10bo2bo22b2o7bo$10bo2bo11bo30b2o10bobo22b2o7b2o$7b3o3b3o
8b3o28b4o21b2o19b4o$13bo9b2ob2o27b2ob2o18b2ob2o18b2ob2o$10bob2o8b2o3b
2o6b2o20b2o19b4o21b2o$9bo2bo10b2ob2o7b2o42b2o$9bo7b2o$9bo2bo3bobo$6b2o
2b2o4bo19b2o45b2o$5bobo7b2o19bo47bo$5bo31b3o44bob2ob2o$4b2o19bo13bo12b
2o31bobobo2bo$19b2obobobo25bobo7b3o7bo13bo4b2o$19bob2ob2obo24bo9bo9b3o
$27bo2bo32bo11bo19b2o$20b6ob4o8b2o5b2o26b2o19bo$20bo2bo2bo13b2o5bo45bo
bo$26bobo10bo7bobo35bobo5b2o$25b2ob3o17b2o2b2o21b2o8bobo$31bo20b2o21b
2o8b3o$2b2o21b2ob3o68b2o$b4o7b2o11b2obo70bo$obobo6bo2b2o33b2obobo42bob
o$2ob3o4b6o33b2obobo8b3o8b2o9bo7b2o2b2o$3b2obo5b4o33b2o3bo8bo10bobo7bo
bo6b2o$3b2obo42b2o4b2o7bo9bo$28bo13bo6b2o5b2o$3b2obo21b2o12b3o7b3obo$
3b2obo5b4o11bobo15bo5b2o3bobobo$2ob3o4b6o28bobo6bo2bo3bo23bobo$obobo6b
o2b2o28b2o7bobo2bobo7bo16bo$b4o7b2o53b3o16bo17bo$2b2o40b2o20bobobo15bo
8bobo4b3o$44bo21bobobo24b3o3bo$46bo17b2ob3ob2o13b2o8bo3bobo$17b2o26b2o
16bob2obob2obo12b2o13b2o$2o15bobo30b2o5b2o3b2obo5bob2o$2o17bo31bo5b2o
4b2obo3bob3o26b2o$17b3o28b3o13b3o3b3ob3o25bo$48bo26bobo22bo$56b2o19bo
22b2o$57bo19b2o16b2o$17b3o34b3o38bo$2o17bo7b2o25bo13bo4b2o21b3o$2o15bo
bo7b2o38bobobo2bo23bo$17b2o47bob2ob2o$66bo$65b2o!
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Re: Small Spaceship Syntheses

Postby 2718281828 » November 10th, 2017, 9:11 pm

I found another 8G glider synthesis for the loafer:
x = 88, y = 33, rule = B3/S23
33bo$31b2o$32b2o$9bo$bo8bo$2bo5b3o$3o2$85bo$5bo77b2o$6bo77b2o$4b3o68bo
$24bobo40bo8bo$25b2o41bo5b3o$25bo40b3o$85bobo$27bobo55b2o$27b2o42bo14b
o$28bo43bo10bo$31b3o36b3o8bobo$31bo50b2o$32bo$71b2o$72b2o$71bo$81bo$
81b2o$80bobo$5b2o$6b2o$5bo!

The collision is much faster (just 19 ticks from the first interaction to get a clear loafer). However, it does not help for a faster gun as the loafer is too slow, but maybe it helps for finding the 7G glider synthesis.
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Re: Small Spaceship Syntheses

Postby dvgrn » November 11th, 2017, 11:48 am

2718281828 wrote:I found another 8G glider synthesis for the loafer:
...
The collision is much faster (just 19 ticks from the first interaction to get a clear loafer). However, it does not help for a faster gun as the loafer is too slow, but maybe it helps for finding the 7G glider synthesis.

Nice! Yeah, looks like repeat time of 154, same as the original. Having only three salvos makes it pretty easy to build a couple of 10-glider variant recipes with only two salvos each -- repeat time 244 and 249:

x = 354, y = 162, rule = LifeHistory
351.A$349.2A$127.A222.2A$125.A.A71.A$109.A16.2A63.A8.A$101.A5.A.A82.A
5.3A$99.A.A6.2A80.3A$100.2A249.A.A$127.A223.2A$128.A66.A156.A$105.A
10.A9.3A67.A10.A$103.A.A11.A76.3A8.A.A$104.2A9.3A88.2A3$336.A$334.2A
11.A.A$335.2A10.2A$348.A$197.A$198.A8.A$196.3A6.A.A$206.2A11$95.A.A$
95.2A$96.A$10.A$2.A5.A.A$A.A6.2A$.2A95.A$96.2A$97.2A$6.A10.A$4.A.A11.
A$5.2A9.3A18$288.C$188.C98.C$186.C.C98.3C$170.C16.2C$162.C5.C.C89.C.C
$160.C.C6.2C81.C.C6.2C$161.2C90.2C6.C$188.C64.C35.C$189.C99.C.C$58.C
107.C10.C9.3C99.2C$56.2C106.C.C11.C77.C.C9.C$57.2C106.2C9.3C78.2C10.
2C$48.C208.C10.2C$40.C8.C133.C$41.C5.3C133.2C$39.3C140.C.C88.C$58.C.C
211.C12.C$58.2C212.3C10.C.C$44.C14.C225.2C$45.C10.C$43.3C8.C.C201.C.C
7.C$55.2C126.2C74.2C8.2C$184.2C73.C8.2C$44.2C137.C$45.2C$44.C$54.C$
54.2C$53.C.C4$166.C$166.2C$165.C.C2$175.2C$176.2C$175.C23$6.A$6.2A$5.
A.A2$15.2A$16.2A$15.A7$122.A$122.2A$121.A.A6$122.2A$123.2A$122.A9$
105.A$105.2A$104.A.A2$114.2A$115.2A$114.A!
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Re: Small Spaceship Syntheses

Postby Sokwe » November 24th, 2017, 11:34 pm

A for awesome wrote:
Kazyan wrote:New p46 tech allows for a smaller p46 Coe Ship gun, down from 133x96

Shaved off a row on the left (to 106x87) by using a different gun and some welding

Minor stator reduction:
x = 106, y = 87, rule = B3/S23
18b2o5b2o5b2o5b2o$18b2o5b2o5b2o5b2o52b4o$52b2o5b2o16b2o14bo2b2o6b2o$
52b2o5b2o16b2o15bo2b2o5b2o$94bo2bo$32b3o3b3o54b2o$31bo2bo3bo2bo37bo3bo
$35bobo40bobobobo10b2o$31b2o7b2o34b2o2bobo2b2o7bo2bo$31b2o7b2o34b2o7b
2o7bo2b2o5b2o$34bo3bo37b2o2bobo2b2o6bo2b2o6b2o$34b2ob2o39bobobobo8b4o$
18bo7bo5b3o3b3o38bo3bo$16bob2o5b2obo3b2o5b2o11bo7bo$16bo3b2ob2o3bo3bo
7bo49b2o$17bo3bobo3bo22b3o7b3o17b2o10bo$18b3o3b3o24b2ob2ob2ob2o16bo3b
2o5b2o2bo10b2o$52b3o3b3o17b6o6bo2bo10b2o$53bo5bo20bob2o7bobo$80bo10b2o
$79bo3bo$80bo2b2o6b2o$81b4o6bobo$90bo2bo10b2o$71bo17b2o2bo10b2o$10b2o
29b2obo24b2o6bob2o11bo$11bo20bobo6b2ob3o23b2o3b3ob2o9b2o$9bo8b2o13b2o
12bo26bo$9b2o7b2o13bo7b2ob3o28b3ob2o$42bobo7b2o5b2o16b2o2bo$3b2o37bobo
7b2o5b2o19b2o$4bo38bo$2bo$2b2o29bo44b2o$31bo3bo40bo4bo$2b2o9bo2bo19bo
18b5o22bo17b6o$2bobo6b2o4b2o12bo4bo17bo4bo7b2o6bo6bo8bo7bo5bo$3bo9bo2b
o15b5o7bo14bo6bo8b8o6b3o7bo5bo$3o6b2ob2o31b2o7bo3bo17b2o13bo8bo3bo$o6b
2ob2o32b2o10bo10bo2bo22b2o7bo$10bo2bo11bo30b2o10bobo22b2o7b2o$7b3o3b3o
8b3o28b4o21b2o19b4o$13bo9b2ob2o27b2ob2o18b2ob2o18b2ob2o$10bob2o8b2o3b
2o6b2o20b2o19b4o21b2o$9bo2bo10b2ob2o7b2o42b2o$9bo7b2o$9bo2bo3bobo$6b2o
2b2o4bo19b2o45b2o$5bobo7b2o19bo47bo$5bo31b3o44bob2ob2o$4b2o13b2o4bo13b
o12b2o31bobobo2bo$19bo2bobobo25bobo7b3o7bo13bo4b2o$21b2ob2obo24bo9bo9b
3o$27bo35bo11bo19b2o$27b2o10b2o5b2o26b2o19bo$23b2o4bo10b2o5bo45bobo$
23bo2bobobo8bo7bobo35bobo5b2o$25b2ob2obo16b2o2b2o21b2o8bobo$31bo20b2o
21b2o8b3o$2b2o21b2ob3o68b2o$b4o7b2o11b2obo70bo$obobo6bo2b2o33b2obobo
42bobo$2ob3o4b6o33b2obobo8b3o8b2o9bo7b2o2b2o$3b2obo5b4o33b2o3bo8bo10bo
bo7bobo6b2o$3b2obo42b2o4b2o7bo9bo$28bo13bo6b2o5b2o$3b2obo21b2o12b3o7b
3obo$3b2obo5b4o11bobo15bo5b2o3bobobo$2ob3o4b6o28bobo6bo2bo3bo23bobo$ob
obo6bo2b2o28b2o7bobo2bobo7bo16bo$b4o7b2o53b3o16bo17bo$2b2o40b2o20bobob
o15bo8bobo4b3o$44bo21bobobo24b3o3bo$46bo17b2ob3ob2o13b2o8bo3bobo$17b2o
26b2o16bob2obob2obo12b2o13b2o$2o15bobo30b2o5b2o3b2obo5bob2o3b2o$2o17bo
31bo5b2o4b2obo3bob2o2bo2bo21b2o$17b3o28b3o13b3o3b3o3b2o24bo$48bo51bo$
56b2o42b2o$57bo37b2o$17b3o34b3o38bo$2o17bo7b2o25bo13bo4b2o21b3o$2o15bo
bo7b2o38bobobo2bo23bo$17b2o47bob2ob2o$66bo$65b2o!

I know that this is based on an earlier gun, but I can't find the source right now. Where is the original from?
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Re: Small Spaceship Syntheses

Postby dvgrn » November 25th, 2017, 12:09 am

Sokwe wrote:I know that this is based on an earlier gun, but I can't find the source right now. Where is the original from?

Amazingly, Google can find the one matching reference on a search for "x = 133, y = 96" site:www.conwaylife.com/forums.

That just gets us back as far as Stephen Silver's pattern collection, though. Circumstantial evidence from old emails talking about reductions in the gun using "warped eater2s" seems to point to Dietrich Leithner as the original creator of the gun. Sometime around 1998 those spaceships started to be called "Coe ships" instead of "Coe-ships", which threw off my searches for a while -- haven't managed to dig up an original source or date yet.
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Re: Small Spaceship Syntheses

Postby Sokwe » November 25th, 2017, 7:12 am

dvgrn wrote:
Sokwe wrote:I know that this is based on an earlier gun, but I can't find the source right now. Where is the original from?

Amazingly, Google can find the one matching reference on a search for "x = 133, y = 96" site:www.conwaylife.com/forums.

That just gets us back as far as Stephen Silver's pattern collection, though. Circumstantial evidence from old emails talking about reductions in the gun using "warped eater2s" seems to point to Dietrich Leithner as the original creator of the gun. Sometime around 1998 those spaceships started to be called "Coe ships" instead of "Coe-ships", which threw off my searches for a while -- haven't managed to dig up an original source or date yet.

Thanks, Dave. With this information I was able to find that the gun was originally built by Dieter Leithner on 25 Nov 1995 and improved to the form linked above on 16 Nov 1996.

Edit: I missed an eater-to-carrier "reduction" in my earlier post:
x = 106, y = 87, rule = B3/S23
18b2o5b2o5b2o5b2o$18b2o5b2o5b2o5b2o52b4o$52b2o5b2o16b2o14bo2b2o6b2o$
52b2o5b2o16b2o15bo2b2o5b2o$94bo2bo$32b3o3b3o54b2o$31bo2bo3bo2bo37bo3bo
$35bobo40bobobobo10b2o$31b2o7b2o34b2o2bobo2b2o7bo2bo$31b2o7b2o34b2o7b
2o7bo2b2o5b2o$34bo3bo37b2o2bobo2b2o6bo2b2o6b2o$34b2ob2o39bobobobo8b4o$
18bo7bo5b3o3b3o38bo3bo$16bob2o5b2obo3b2o5b2o11bo7bo$16bo3b2ob2o3bo3bo
7bo49b2o$17bo3bobo3bo22b3o7b3o17b2o10bo$18b3o3b3o24b2ob2ob2ob2o16bo3b
2o5b2o2bo10b2o$52b3o3b3o17b6o6bo2bo10b2o$53bo5bo20bob2o7bobo$80bo10b2o
$79bo3bo$80bo2b2o6b2o$81b4o6bobo$90bo2bo10b2o$71bo17b2o2bo10b2o$10b2o
29b2obo24b2o6bob2o11bo$11bo20bobo6b2ob3o23b2o3b3ob2o9b2o$9bo8b2o13b2o
12bo26bo$9b2o7b2o13bo7b2ob3o28b3ob2o$42bobo7b2o5b2o16bobo2bo$3b2o37bob
o7b2o5b2o20b2o$4bo38bo$2bo$2b2o29bo44b2o$31bo3bo40bo4bo$2b2o9bo2bo19bo
18b5o22bo17b6o$2bobo6b2o4b2o12bo4bo17bo4bo7b2o6bo6bo8bo7bo5bo$3bo9bo2b
o15b5o7bo14bo6bo8b8o6b3o7bo5bo$3o6b2ob2o31b2o7bo3bo17b2o13bo8bo3bo$o6b
2ob2o32b2o10bo10bo2bo22b2o7bo$10bo2bo11bo30b2o10bobo22b2o7b2o$7b3o3b3o
8b3o28b4o21b2o19b4o$13bo9b2ob2o27b2ob2o18b2ob2o18b2ob2o$10bob2o8b2o3b
2o6b2o20b2o19b4o21b2o$9bo2bo10b2ob2o7b2o42b2o$9bo7b2o$9bo2bo3bobo$6b2o
2b2o4bo19b2o45b2o$5bobo7b2o19bo47bo$5bo31b3o44bob2ob2o$4b2o13b2o4bo13b
o12b2o31bobobo2bo$19bo2bobobo25bobo7b3o7bo13bo4b2o$21b2ob2obo24bo9bo9b
3o$27bo35bo11bo19b2o$27b2o10b2o5b2o26b2o19bo$23b2o4bo10b2o5bo45bobo$
23bo2bobobo8bo7bobo35bobo5b2o$25b2ob2obo16b2o2b2o21b2o8bobo$31bo20b2o
21b2o8b3o$2b2o21b2ob3o68b2o$b4o7b2o11b2obo70bo$obobo6bo2b2o33b2obobo
42bobo$2ob3o4b6o33b2obobo8b3o8b2o9bo7b2o2b2o$3b2obo5b4o33b2o3bo8bo10bo
bo7bobo6b2o$3b2obo42b2o4b2o7bo9bo$28bo13bo6b2o5b2o$3b2obo21b2o12b3o7b
3obo$3b2obo5b4o11bobo15bo5b2o3bobobo$2ob3o4b6o28bobo6bo2bo3bo23bobo$ob
obo6bo2b2o28b2o7bobo2bobo7bo16bo$b4o7b2o53b3o16bo17bo$2b2o40b2o20bobob
o15bo8bobo4b3o$44bo21bobobo24b3o3bo$46bo17b2ob3ob2o13b2o8bo3bobo$17b2o
26b2o16bob2obob2obo12b2o13b2o$2o15bobo30b2o5b2o3b2obo5bob2o3b2o$2o17bo
31bo5b2o4b2obo3bob2o2bo2bo21b2o$17b3o28b3o13b3o3b3o3b2o24bo$48bo51bo$
56b2o42b2o$57bo$17b3o34b3o37b2o$2o17bo7b2o25bo13bo4b2o20bo$2o15bobo7b
2o38bobobo2bo18bo$17b2o47bob2ob2o20b2o$66bo$65b2o!
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Re: Small Spaceship Syntheses

Postby A for awesome » December 3rd, 2017, 7:50 pm

Another lead on a brain synthesis?:
x = 56, y = 23, rule = B3/S23
12bo$13b2o$12b2o5b2o$18bobo$2bo15bo9bo$obo8b2o4b2o9bobo$b2o3b2o3bo2b2o
7b2o3b2o$5bo2bo3b2obob2o3bo2bo$5bobobo3bo3bo3bobobo$4b2obo2bo2bo3bo2bo
2bob2o$8b2obob2ob2obob2o$11bo7bo$11bob2ob2obo20b3o9b3o$12bobobobo20bob
ob2o5b2obobo$10bobobobobobo18bobobo7bobobo$10b2o2bobo2b2o19bob2ob2ob2o
b2obo$14bobo27bobobobo$15bo26bobobobobobo$41b2obobobobob2o$41b3o2bobo
2b3o$41b2o2bo3bo2b2o$40bo4b2ob2o4bo$40bo13bo!

EDIT: Upper half finished using even more ridiculously complicated still life contrivances:
x = 57, y = 25, rule = B3/S23
3bo13bobo9bo$4bo13b2o8bo$2b3o8bo4bo9b3o$14b2o$13b2o5b2o$19bobo$3bo15bo
9bo$bobo8b2o4b2o9bobo$2b2o3b2o3bo2b2o7b2o3b2o$6bo2bo3b2obob2o3bo2bo$6b
obobo3bo3bo3bobobo$2o3b2obo2bo2bo3bo2bo2bob2o3b2o$obobo4b2obob2ob2obob
2o4bobobo$3b2o7bo7bo7b2o$12bob2ob2obo20b3o9b3o$13bobobobo20bobob2o5b2o
bobo$11bobobobobobo18bobobo7bobobo$11b2o2bobo2b2o19bob2ob2ob2ob2obo$
15bobo27bobobobo$16bo26bobobobobobo$42b2obobobobob2o$42b3o2bobo2b3o$
42b2o2bo3bo2b2o$41bo4b2ob2o4bo$41bo13bo!
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

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Re: Small Spaceship Syntheses

Postby gmc_nxtman » December 3rd, 2017, 11:46 pm

gmc_nxtman wrote:
A for awesome wrote:Another lead on a brain synthesis...EDIT: Upper half finished using even more ridiculously complicated still life contrivances...


Simplified slightly; the ignition of the bun-with-tail can probably be simplified to give more clearance to the bottom if necessary:

x = 49, y = 20, rule = B3/S23
18bo$19b2o$18b2o$10bo27bo$11bo25bo$9b3o14b2o9b3o$26bo$27bo$20b2o4b2o$
20bo2b2o$21b2obob2o$17b2o3bo3bo3b2o$16bo2bo2bo3bo2bo2bo$17b2obob2ob2ob
ob2o$20bo7bo$20bob2ob2obo$obo18bobobobo18bobo$b2o2b2o3bo27bo3b2o2b2o$b
o2bobo3b2o25b2o3bobo2bo$6bo2bobo25bobo2bo!


I feel like a synthesis of this spaceship shouldn't be too hard but we haven't really been searching for it.
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Re: Small Spaceship Syntheses

Postby 2718281828 » December 8th, 2017, 10:38 am

Coe ship synthesis with 7 gliders:
x = 22, y = 17, rule = B3/S23
2bo13bobo$obo13b2o$b2o14bo3$2bo$3bo$b3o9bo$13bobo$8bo4b2o$8bobo5b2o$8b
2o6bobo$16bo2$19b3o$19bo$20bo!
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Re: Small Spaceship Syntheses

Postby BlinkerSpawn » December 8th, 2017, 11:09 pm

2718281828 wrote:Coe ship synthesis with 7 gliders:
x = 22, y = 17, rule = B3/S23
2bo13bobo$obo13b2o$b2o14bo3$2bo$3bo$b3o9bo$13bobo$8bo4b2o$8bobo5b2o$8b
2o6bobo$16bo2$19b3o$19bo$20bo!

And a repeat time of only 69!
x = 56, y = 52, rule = B3/S23
51bo$obo47bo$b2o47b3o$bo3$bo$2b2o$b2o44bobo$47b2o$42bobo3bo$42b2o$43bo
6$19bo13bobo$17bobo13b2o$18b2o14bo3$19bo$20bo$18b3o9bo$30bobo$25bo4b2o
$25bobo5b2o$25b2o6bobo$33bo2$36b3o$36bo$37bo11$51bo$50b2o$50bobo2$54b
2o$53b2o$55bo!
LifeWiki: Like Wikipedia but with more spaceships. [citation needed]

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Re: Small Spaceship Syntheses

Postby 2718281828 » December 9th, 2017, 3:40 pm

BlinkerSpawn wrote:And a repeat time of only 69!

Yes, but the actual Coe ship gun has a repeat time of 46:
x = 106, y = 87, rule = B3/S23
18b2o5b2o5b2o5b2o$18b2o5b2o5b2o5b2o52b4o$52b2o5b2o16b2o14bo2b2o6b2o$
52b2o5b2o16b2o15bo2b2o5b2o$94bo2bo$32b3o3b3o54b2o$31bo2bo3bo2bo37bo3bo
$35bobo40bobobobo10b2o$31b2o7b2o34b2o2bobo2b2o7bo2bo$31b2o7b2o34b2o7b
2o7bo2b2o5b2o$34bo3bo37b2o2bobo2b2o6bo2b2o6b2o$34b2ob2o39bobobobo8b4o$
18bo7bo5b3o3b3o38bo3bo$16bob2o5b2obo3b2o5b2o11bo7bo$16bo3b2ob2o3bo3bo
7bo49b2o$17bo3bobo3bo22b3o7b3o17b2o10bo$18b3o3b3o24b2ob2ob2ob2o16bo3b
2o5b2o2bo10b2o$52b3o3b3o17b6o6bo2bo10b2o$53bo5bo20bob2o7bobo$80bo10b2o
$79bo3bo$80bo2b2o6b2o$81b4o6bobo$90bo2bo10b2o$71bo17b2o2bo10b2o$10b2o
29b2obo24b2o6bob2o11bo$11bo20bobo6b2ob3o23b2o3b3ob2o9b2o$9bo8b2o13b2o
12bo26bo$9b2o7b2o13bo7b2ob3o28b3ob2o$42bobo7b2o5b2o16b2o2bo$3b2o37bobo
7b2o5b2o19b2o$4bo38bo$2bo$2b2o29bo44b2o$31bo3bo40bo4bo$2b2o9bo2bo19bo
18b5o22bo17b6o$2bobo6b2o4b2o12bo4bo17bo4bo7b2o6bo6bo8bo7bo5bo$3bo9bo2b
o15b5o7bo14bo6bo8b8o6b3o7bo5bo$3o6b2ob2o31b2o7bo3bo17b2o13bo8bo3bo$o6b
2ob2o32b2o10bo10bo2bo22b2o7bo$10bo2bo11bo30b2o10bobo22b2o7b2o$7b3o3b3o
8b3o28b4o21b2o19b4o$13bo9b2ob2o27b2ob2o18b2ob2o18b2ob2o$10bob2o8b2o3b
2o6b2o20b2o19b4o21b2o$9bo2bo10b2ob2o7b2o42b2o$9bo7b2o$9bo2bo3bobo$6b2o
2b2o4bo19b2o45b2o$5bobo7b2o19bo47bo$5bo31b3o44bob2ob2o$4b2o13b2o4bo13b
o12b2o31bobobo2bo$19bo2bobobo25bobo7b3o7bo13bo4b2o$21b2ob2obo24bo9bo9b
3o$27bo35bo11bo19b2o$27b2o10b2o5b2o26b2o19bo$23b2o4bo10b2o5bo45bobo$
23bo2bobobo8bo7bobo35bobo5b2o$25b2ob2obo16b2o2b2o21b2o8bobo$31bo20b2o
21b2o8b3o$2b2o21b2ob3o68b2o$b4o7b2o11b2obo70bo$obobo6bo2b2o33b2obobo
42bobo$2ob3o4b6o33b2obobo8b3o8b2o9bo7b2o2b2o$3b2obo5b4o33b2o3bo8bo10bo
bo7bobo6b2o$3b2obo42b2o4b2o7bo9bo$28bo13bo6b2o5b2o$3b2obo21b2o12b3o7b
3obo$3b2obo5b4o11bobo15bo5b2o3bobobo$2ob3o4b6o28bobo6bo2bo3bo23bobo$ob
obo6bo2b2o28b2o7bobo2bobo7bo16bo$b4o7b2o53b3o16bo17bo$2b2o40b2o20bobob
o15bo8bobo4b3o$44bo21bobobo24b3o3bo$46bo17b2ob3ob2o13b2o8bo3bobo$17b2o
26b2o16bob2obob2obo12b2o13b2o$2o15bobo30b2o5b2o3b2obo5bob2o3b2o$2o17bo
31bo5b2o4b2obo3bob2o2bo2bo21b2o$17b3o28b3o13b3o3b3o3b2o24bo$48bo51bo$
56b2o42b2o$57bo37b2o$17b3o34b3o38bo$2o17bo7b2o25bo13bo4b2o21b3o$2o15bo
bo7b2o38bobobo2bo23bo$17b2o47bob2ob2o$66bo$65b2o!

I think this gun, could be reduced in the repeat time to 40 using this:
x = 74, y = 45, rule = B3/S23
10$19b3o17b3o$18b5o15b5o$18b3ob2o14b3ob2o$21b2o18b2o6$39b3ob3o$41bobo
5b2o$40bo3bo3b2o$50bo$44bo$43b2o$43bobo4$29b3o21b3o$31bo21bo5b2o$30bo
23bo3b2o$60bo$54bo$53b2o$53bobo!

or is there a faster method for this LWSS next to the MWSS (LWSS on MWSS #3)?
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Re: Small Spaceship Syntheses

Postby calcyman » December 10th, 2017, 11:55 am

A for awesome wrote:EDIT: Upper half finished using even more ridiculously complicated still life contrivances:
x = 57, y = 25, rule = B3/S23
3bo13bobo9bo$4bo13b2o8bo$2b3o8bo4bo9b3o$14b2o$13b2o5b2o$19bobo$3bo15bo
9bo$bobo8b2o4b2o9bobo$2b2o3b2o3bo2b2o7b2o3b2o$6bo2bo3b2obob2o3bo2bo$6b
obobo3bo3bo3bobobo$2o3b2obo2bo2bo3bo2bo2bob2o3b2o$obobo4b2obob2ob2obob
2o4bobobo$3b2o7bo7bo7b2o$12bob2ob2obo20b3o9b3o$13bobobobo20bobob2o5b2o
bobo$11bobobobobobo18bobobo7bobobo$11b2o2bobo2b2o19bob2ob2ob2ob2obo$
15bobo27bobobobo$16bo26bobobobobobo$42b2obobobobob2o$42b3o2bobo2b3o$
42b2o2bo3bo2b2o$41bo4b2ob2o4bo$41bo13bo!


Nice. I actually prefer this version over the optimised one since it leaves more space downstairs.

Comparing generation 10, I think the bottom of the still-life should look more like this:

x = 57, y = 25, rule = B3/S23
3bo13bobo9bo$4bo13b2o8bo$2b3o8bo4bo9b3o$14b2o$13b2o5b2o$19bobo$3bo15bo
9bo$bobo8b2o4b2o9bobo$2b2o3b2o3bo2b2o7b2o3b2o$6bo2bo3b2obob2o3bo2bo$6b
obobo3bo3bo3bobobo$2o3b2obo2bo2bo3bo2bo2bob2o3b2o$obobo4b2obob2ob2obob
2o4bobobo$3b2o7bo7bo7b2o$12bob2ob2obo20b3o9b3o$13bobobobo20bobob2o5b2o
bobo$11bobobobobobo18bobobo7bobobo$9b3obobobobob3o17bob2ob2ob2ob2obo$
8bo4bobobobo4bo20bobobobo$8b2o3b2o3b2o3b2o18bobobobobobo$42b2obobobobo
b2o$42b3o2bobo2b3o$42b2o2bo3bo2b2o$41bo4b2ob2o4bo$41bo13bo!


There's probably enough room and a clever way to burn those eaters away at the correct time.
What do you do with ill crystallographers? Take them to the mono-clinic!
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Re: Small Spaceship Syntheses

Postby A for awesome » December 10th, 2017, 1:43 pm

Maybe better on the bottom:
x = 58, y = 25, rule = B3/S23
3bo27bo$4b2o23b2o$3b2o10bo14b2o$13bobo$14b2o3b2o$19bo$2bobo15bo9bobo$
3b2o8b2o4b2o9b2o$3bo4b2o3bo2b2o7b2o4bo$7bo2bo3b2obob2o3bo2bo$7bobobo3b
o3bo3bobobo$b2o3b2obo2bo2bo3bo2bo2bob2o3b2o$bobobo4b2obob2ob2obob2o4bo
bobo$4b2o7bo7bo7b2o$13bob2ob2obo20b2o11b2o$14bobobobo21b2ob2o5b2ob2o$
3o2bo3b2obobobobobobob2o3bo2b3o6bo3b2o5b2o3bo$2bobobo2bob2obobobobob2o
bo2bobobo8bobo3b2ob2o3bobo$bo3b2o7bobobobo7b2o3bo11bo2bobo2bo$14bobobo
bo25bobobobo$3bo11b2ob2o11bo11b2obobobobob2o$2bobo25bobo10bo2bobobobo
2bo$2b2o27b2o15bobo$41b3obo7bob3o$47b2ob2o!
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

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Re: Small Spaceship Syntheses

Postby gmc_nxtman » December 10th, 2017, 4:57 pm

Contrived predecessor based on that different induction coil:

x = 17, y = 15, rule = B3/S23
2bo11bo$3bo2b2ob2o2bo$obobo7bobobo$3obo7bob3o$4bob2ob2obo$5bobobobo$bo
bobobobobobobo$2b2obobobobob2o$5bobobobo$2bo4bobo4bo$2b2o$2b2o2b2ob2o$
2b3o$3bo$3bo!
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Re: Small Spaceship Syntheses

Postby dbell » December 13th, 2017, 9:28 am

This is an old period 3 c/3 branching spaceship of mine that is relatively simple. When it was found it looked so unlikely to really be a spaceship.

x = 58, y = 42
14boboo$13boobooboo$12bobbobobbo$13bo5boo4boo$22booboo$22boo3bo$22boo
$$22boo$22boo$16boo4boo4boo$16booboo4booboo$10boo4bobboo4boobbo4boo$
10booboo4boo4boo4booboo$9bo3boo16boobbo4boo$13boo16boo4booboo$37boobbo
4boo$13boo22boo4booboo$13boo28boo3bo$7boo4boo4boo22boo$7booboo4booboo$
boo4bobboo4boobbo4boo16boo$booboo4boo4boo4booboo16boo$o3boo16boo3bo9b
oo4boo4boo$4boo16boo13booboo4booboo$31boo4bobboo4boobbo4boo$31booboo4b
oo4boo4booboo$30bo3boo16boo3bo$34boo16boo$$34boo$34boo$28boo4boo4boo$
28booboo4booboo$22boo4bobboo4boobbo4boo$22booboo4boo4boo4booboo$16boo
4bobboo16boobbo4boo$16booboo4boo16boo4booboo$10boo4bobboo28boo3bo$10b
ooboo4boo28boo$9bo3boo$13boo!

The base 25P3H1V0.2 ship which supports the branches has a nice spark at the back. The wasp is another small c/3 ship with a back spark which can also support the branches. Unfortunately, neither of these ships has a synthesis, and the two other c/3 ships which have been synthesised cannot support the branches. Even if the brain is finally synthesised, that also won't work.

So forgetting the base ship for now, the arms are rather simple. Can anyone find a reaction to extend an arm to make bigger spaceships? The fact the the ends are somewhat self-repairing might help.

A much harder challenge is to find a reaction to start another branch under an existing one. I think that there is no solution to that.

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