Period-59 glider gun

Period-59 glider gun
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Pattern type	Gun
Number of cells	167863
Bounding box	4091 × 3082
Period	59
Barrels	Unknown
Discovered by	Adam P. Goucher
Year of discovery	2009
Pattern files RLE period59gun.rle

Period-59 glider gun is the first true period 59 gun to be discovered. It was discovered by Adam P. Goucher in 2009. Jason Summers helped by providing a period-59 five glider to six glider reaction and also a 180 degree reflector reaction.

The core of the gun is the 5-to-6 reaction, composed of two copies of a mechanism hassling two pi-heptominoes, in a fashion reminescent of the P44 pi-heptomino hassler. Of the 11 glider streams linked to this:

• Two link together via a 180° reflection off a P59 oscillator.
• Four are pairwise linked to a single copy of the basic mechanism. This functions as a two-to-two glider reflection reaction on its own, rerouting two parallel glider streams (one incoming, one outgoing) into two sideways ones.
• Four of the core streams are redirected using 90° reflections off further p59 oscillators (and some tertiary pairs of reactors) and to link with the four streams from the secondary reactors.
• This leaves one output stream.

Discovery of the snark in 2013 enabled Dave Greene to build a variant with a bounding box that is less than 1/87 times as large in area.

Image gallery

The original 14,348×12,790 period-59 gun Download RLE: click here

8,870×7,352 period-59 gun which was the result of the 180 degree reflector Download RLE: click here

405×355 period-59 gun which was the result of the Snark Download RLE: click here

See also

• Quetzal