Comma-pusher: Difference between revisions
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As of March 2022, none of the six comma-pushers have been [[Glider synthesis|synthesised]]. | As of March 2022, none of the six comma-pushers have been [[Glider synthesis|synthesised]]. | ||
== Variants == | |||
Two standard spaceships are required to be at the front of the comma to escort it. Any of the three types of spaceships can be mixed and matched at will. Unlike with [[big A]], the middleweight spaceship offers only one valid type of support, rather than two, as it does not depend on dot sparks. | |||
{{Comma-pusher table}} | |||
== See also == | == See also == | ||
* [[MWSS and HWSS dragging block]] | * [[MWSS and HWSS dragging block]] | ||
* [[Two HWSS dragging boat]] | |||
== External links == | == External links == | ||
Revision as of 13:09, 8 December 2022
| Comma-pusher | |||||||||
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| View static image | |||||||||
| Pattern type | Tagalong Spaceship | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Number of cells | 53 | ||||||||
| Bounding box | 14 × 14 | ||||||||
| Direction | Orthogonal | ||||||||
| Period | 4 (mod: 2) | ||||||||
| Speed | c/2 | 2c/4 | ||||||||
| Heat | 58.0 | ||||||||
| Kinetic symmetry | Unspecified | ||||||||
| Discovered by | Unknown | ||||||||
| Year of discovery | Unknown | ||||||||
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Comma-pusher can refer to one of six period-4 c/2 orthogonal spaceships which consist of a comma escorted from behind by two middleweight spaceships, and two other standard spaceships in front.
They functionally resemble the hivenudgers, a class of spaceships which similarly escort a pre-beehive, and the hooknudgers, which escort a hook.
As of March 2022, none of the six comma-pushers have been synthesised.
Variants
Two standard spaceships are required to be at the front of the comma to escort it. Any of the three types of spaceships can be mixed and matched at will. Unlike with big A, the middleweight spaceship offers only one valid type of support, rather than two, as it does not depend on dot sparks.
| Image | Min. population | Supporting spaceships | apgcode | Cost in gliders | |
|---|---|---|---|---|---|
|
53 | LWSS | LWSS | xq4_i1hfxi1hfzocog0emwocogz0773y2773 | No synthesis known |
|
56 | LWSS | MWSS | xq4_422uw8211vzhohwsc10hogz1ef7w1w1ef7 | No synthesis known |
|
58 | LWSS | HWSS | xq4_844swo211vz2g210oo202hz3tve012w3tve | No synthesis known |
|
58 | MWSS | MWSS | xq4_06rusx6ruszggh1g8cwhhgzfg0h71xfg0h4 | No synthesis known |
|
60 | MWSS | HWSS | xq4_0onve0g8wonvez0818g033808hz1488fw38ggv | No synthesis known |
|
62 | HWSS | HWSS | xq4_0onve0g8wonvez0818g033808hz38ggvw38ggv | No synthesis known |
See also
External links
- Comma-pusher at Adam P. Goucher's Catagolue
- The 6 four-spaceship comma-pushers at Mark D. Niemiec's Life Page