Edge-repair spaceship 2

Edge-repair spaceship 2 is a c/4 orthogonal edge-repair spaceship that was found by Stephen Silver in November 2000. Leading up to its construction, its T-tetromino component was found to be self-repairing by David Bell in October 2000. Soon after, Silver observed that it could be used to delete beehives, and thus created this spaceship.

Edge-repair spaceship 2
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Pattern type Spaceship
Number of cells 51
Bounding box 22×11
Direction Orthogonal
Period 4
Mod 4
Speed c/4
Speed (unsimplified) c/4
Heat 55.0
Discovered by Stephen Silver
Year of discovery 2000

This is the smallest known spaceship that uses this particular edge-repair reaction, and it contains two copies of it.

Beehives placed as shown here will be destroyed by the spaceship
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See also
  • 51P4H1V0.1 at Heinrich Koenig's Game of Life Object Catalogs
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