Period-44 MWSS gun

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period-44 MWSS gun
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Pattern type Gun
Number of cells 155
Bounding box 50×40
Period 44
Barrels 1
Discovered by Dietrich Leithner
Year of discovery 1997


Period 44 MWSS gun is a gun discovered by Dieter Leithner in April 1997, in a somewhat larger form. This was the smallest known gliderless gun and smallest known MWSS gun until the construction in 2017 of the gun shown under gliderless, based on Tanner's p46.

The p44 MWSS gun is based on a p44 oscillator discovered by Dave Buckingham in early 1992, shown here in an improved form found in January 2005 by Jason Summers using a new p4 sparker by Nicolay Beluchenko. A glider shape appears in this gun for three consecutive generations, but always as part of a larger cluster, so even a purist would regard this gun as gliderless.

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