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Pattern type Spaceship
Number of cells 117
Bounding box 17×32
Direction orthogonal
Period 9
Mod Unknown
Speed c/3
Speed (unsimplified) Unknown
Heat 114.2
Discovered by David Bell
Year of discovery 1992

117P9H3V0 is an orthogonal c/3 spaceship discovered by David Bell in May.[1] It is based on a period 3 spaceship with a loosely connected back component which could be removed to form a period 9 spaceship, being the first spaceship of this period to be found. In September 1997 Bell found a smaller period 3 component to support the period 9 trailing edge. In June 2001 Paul Tooke found a much smaller period 9 spaceship, 55P9H3V0.

Image gallery

The period 3 spaceship that was the basis for 117P9H3V0
RLE: here
A small, related period 9 spaceship
RLE: here
  1. David Bell's archive of c/3 ships and puffers in Life