3-engine Cordership rake

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3-engine Cordership rake
3-engine Cordership rake image
Pattern type Rake
Number of cells 3685
Bounding box 461×424
Direction Orthogonal
Period 240
Speed c/2
Discovered by Jason Summers
Year of discovery 2004

3-engine Cordership rake is a period 240 rake that fires 3-engine Corderships as it moves orthogonally at a speed of c/2. It was constructed by Jason Summers on January 19, 2004, only a week after the 3-engine Cordership itself was built.[1] It builds the Cordership via a 15-glider synthesis.

See also


  1. c2-Cordership-rake.rle from Golly's built-in pattern collection