Edge-repair spaceship 1
Edge-repair spaceship 1 | |||||||||||
View animated image | |||||||||||
View static image | |||||||||||
Pattern type | Spaceship | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Number of cells | 26 | ||||||||||
Bounding box | 16 × 7 | ||||||||||
Direction | Orthogonal | ||||||||||
Period | 3 (mod: 3) | ||||||||||
Speed | c/3 | c/3 | ||||||||||
Heat | 20.7 | ||||||||||
Kinetic symmetry | n | ||||||||||
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, or stabilise the waltz to form a crotchet ship. 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.
From left to right, edge-repair spaceships delete a Herschel, pre-beehive, block, and tumbler (click above to open LifeViewer) RLE: here Plaintext: here |
Occurrence
- See also: List of natural spaceships
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] On July 28, 2024, KtT lowered the cost to 16 gliders.[7][8]
See also
- Edge-repair spaceship 2
- Fly, which it can be connected to.
- Wasp
References
- ↑ bubblegum (January 24, 2021). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
- ↑ Goldtiger997 (January 25, 2021). Message in #cgol on the Conwaylife Lounge Discord server
- ↑ Tanner Jacobi (January 26, 2021). Message in #cgol on the Conwaylife Lounge Discord server
- ↑ Goldtiger997 (January 26, 2021). Message in #cgol on the Conwaylife Lounge Discord server
- ↑ Goldtiger997 (January 27, 2021). Message in #cgol on the Conwaylife Lounge Discord server
- ↑ Adam P. Goucher. "Census". Catagolue. Retrieved on January 27, 2021.
- ↑ KtT (July 25, 2024). Re: Small Spaceship Syntheses (discussion thread) at the ConwayLife.com forums
- ↑ shinjuku (#7444809383) (July 28, 2024). Job triggered by Adam P. Goucher at GitLab Catagolue project.
External links
- Edge-repair spaceship at the Life Lexicon
- 26P3H1V0.1 at Heinrich Koenig's Game of Life Object Catalogs
- Edge-repair spaceship 1 at Adam P. Goucher's Catagolue
- Patterns
- Spaceships with 26 cells
- Periodic objects with minimum population 26
- Patterns with 26 cells
- Patterns found by David Bell
- Patterns found in 1992
- Patterns that can be constructed with 16 gliders
- Spaceships
- Spaceships with period 3
- Orthogonal spaceships
- Spaceships with speed c/3
- Spaceships with unsimplified speed c/3
- Spaceships with heat 20
- Spaceships with mod 3
- Spaceships with n symmetry