Edge-repair spaceship 1

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Edge-repair spaceship 1
8bo7b$7b4o5b$2bo3bo3b2ob2ob$b4o5bo2b2ob$o3bo7bo2bo$bobo2bo9b$5bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ TRACKLOOP 3 0 -1/3 THUMBSIZE 2 GPS 3 HEIGHT 400 ]]
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Pattern type Spaceship
Number of cells 26
Bounding box 16×7
Direction Orthogonal
Period 3
Mod 3
Speed c/3
Speed (unsimplified) c/3
Heat 20.7
Discovered by David Bell
Year of discovery 1992

Edge-repair spaceship 1 is a c/3 orthogonal edge-repair spaceship that was found by David Bell in 1992.

Edge-repair/perturbation capabilities

While it was the first edge-repair spaceship to be discovered, the usefulness of its edge-repair property was not recognized until July 1997. This edge-repair spaceship can be used to perturb various debris from puffers to create puffers or spaceships of different periods. Edge repair spaceships can also remove some stationary objects, most notably, two edge-repair spaceships can delete a block. The edge-repair component of this ship is used in much of the known c/3 technology, although one sometimes has to use a different ship to allow the edge-repair component to be accessible.

x = 113, y = 11, rule = B3/S23 107bo3bo$107b2ob2o$108bobo$29bo76bobobobo$16bo11b2o8bo19bo8b2o8bo19bo 8b2o3b2o$o14b4o9bo8b4o15b4o7b2o7b4o15b4o8bo3bo$obo7bo3bo3b2ob2o9bo3bo 3b2ob2o7b2ob2o3bo3bo6bo3bo3b2ob2o7b2ob2o3bo3bo$3o6b4o5bo2b2o8b4o5bo2b 2o7b2o2bo5b4o4b4o5bo2b2o7b2o2bo5b4o$2bo5bo3bo7bo2bo6bo3bo7bo2bo5bo2bo 7bo3bo2bo3bo7bo2bo5bo2bo7bo3bo$9bobo2bo16bobo2bo23bo2bobo4bobo2bo23bo 2bobo$13bo21bo25bo12bo25bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 WIDTH 900 HEIGHT 400 ZOOM 5.5 ]]
From left to right, edge-repair spaceships delete
a Herschel, pre-beehive, block, and tumbler
(click above to open LifeViewer)
RLE: here Plaintext: here

Commonness

At 26 cells, it is the fourth smallest spaceship yet to appear from soup, after three 25-cell spaceships: crab, 25P3H1V0.1 and 25P3H1V0.2.

Glider synthesis

goldenratio found a final step for a synthesis of this spaceship on January 24, 2021, which bubblegum made a complete synthesis out of soon after.[1] Various improvements were posted over the next few days,[2][3][4][5] eventually making ERS1 the cheapest period-3 spaceship to synthesize as of January 27.[6]

See also

References

  1. ↑ bubblegum (January 24, 2021). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
  2. ↑ Goldtiger997 (January 25, 2021). Message in #cgol on the Conwaylife Lounge Discord server
  3. ↑ Tanner Jacobi (January 26, 2021). Message in #cgol on the Conwaylife Lounge Discord server
  4. ↑ Goldtiger997 (January 26, 2021). Message in #cgol on the Conwaylife Lounge Discord server
  5. ↑ Goldtiger997 (January 27, 2021). Message in #cgol on the Conwaylife Lounge Discord server
  6. ↑ Adam P. Goucher. "Census". Catagolue. Retrieved on January 27, 2021.

External links

  • 26P3H1V0.1 at Heinrich Koenig's Game of Life Object Catalogs


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