Switch engine channel

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Switch engine channel
#C Switch engine channel #O David Bell, June 2005 #C Stable conduit for a c/12 switch engine x = 56, y = 56, rule = B3/S23 14b2o$13bobo$14bo6$22b2o$21bobo$22bo6$15b3o12b2o$16bo2bo9bobo$20bo9bo$ 17bobo2$bo$obo$2o$38b2o$37bobo$38bo3$9bo$8bobo$8b2o$46b2o$45bobo$46bo 3$17bo$16bobo$16b2o$54b2o$53bobo$54bo3$25bo$24bobo$24b2o6$33bo$32bobo$ 32b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] [[ WIDTH 480 HEIGHT 480 X -8 Y -8 ZOOM 10 GPS 20 TRACK 1/12 1/12 LOOP 192 ]]
Pattern type Conduit
Conduit type Composite
Input switch engine
Number of cells 10
Output orientation Unturned
Output offset (8, 8)
Step 96 ticks
Recovery time
(ignoring FNG if any)
256 ticks
Minimum overclock period
(ignoring FNG if any)
Unknown
Spartan? Yes
Discovered by David Bell
Year of discovery 2005

A switch engine channel is a conduit consisting of two lines of boats (or other suitable catalysts, such as tub with tails) arranged so that a switch engine can travel between them.

Technically the smallest unit of repetition is a single boat, producing a glide-reflected switch engine. However, very few conduits are known with input or output switch engines, and for most purposes it is more convenient to combine two of the elementary conduits to make a simple diagonal channel.

David Bell used this in June 2005 to construct a "bobsled" oscillator, in which a switch engine factory sends switch engines down a channel, at the other end of which they are deleted. In 2009 Adam P. Goucher used the mechanism to construct the first complete glider-to-Cordership converter, though much more compact converters have been completed since then[1] that do not use an intermediate switch engine channel.

Period 480 bobsled oscillator.


References

<references> [1]

External links

  • 1.0 1.1 Dave Greene (February 18, 2013). Implications of a Three-Glider Switch Engine (discussion thread) at the ConwayLife.com forums