Difference between revisions of "31c/240 orthogonal"
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{{Speed|speed=31c/240 | {{Speed | ||
|image = shieldbug | |||
'''31c/240 orthogonal''' is an orthogonal [[speed]] equal to thirty one two-hundred-fortieths of the [[speed of light]]. A reburnable glider-emitting wick traveling at 31c/240, based on pairs of Herschels traveling along chains of blocks, was discovered in April 2013.<ref>{{cite web|url=http://conwaylife.com/forums/viewtopic.php?f=2&t=1065#p7782|title=Re: Blockic splitters|author=Dave Greene|date=April 19, 2013|accessdate=January 9, 2015}}</ref>. The first spaceship built using this technology was the [[shield bug]]. | |speed = 31c/240 orthogonal | ||
|ss = yes | |||
|puff = yes | |||
|rake = yes | |||
}} | |||
'''31c/240 orthogonal''' is an orthogonal [[speed]] equal to thirty one two-hundred-fortieths of the [[speed of light]]. A reburnable glider-emitting wick traveling at 31c/240, based on pairs of Herschels traveling along chains of blocks, was discovered in April 2013.<ref>{{cite web|url=http://conwaylife.com/forums/viewtopic.php?f=2&t=1065#p7782|title=Re: Blockic splitters|author=Dave Greene|date=April 19, 2013|accessdate=January 9, 2015}}</ref>. The first spaceship built using this technology was the [[shield bug]], soon followed by the smaller [[centipede]]. | |||
Spaceships can be constructed with many mutually-supporting pairs of Herschels, each of which send out a glider to each side every 240 ticks, somewhat along the lines of the chains of [[pi climbers]] in the original [[Caterpillar]]. The first step in constructing a spaceship was to find a way to allow Herschel pairs to climb block chains while suppressing all output gliders. In January 2014, Kiho Park suggested a workable suppression mechanism.<ref>{{cite web|url=http://conwaylife.com/forums/viewtopic.php?f=2&t=1274&p=10293#p10293|title=Re: 31c/240 caterpillar working notes|author=Kiho Park|date=January 8, 2014|accessdate=January 9, 2015}}</ref> | Spaceships can be constructed with many mutually-supporting pairs of Herschels, each of which send out a glider to each side every 240 ticks, somewhat along the lines of the chains of [[17c/45 reaction|pi climbers]] in the original [[Caterpillar]]. The first step in constructing a spaceship was to find a way to allow Herschel pairs to climb block chains while suppressing all output gliders. In January 2014, Kiho Park suggested a workable suppression mechanism.<ref>{{cite web|url=http://conwaylife.com/forums/viewtopic.php?f=2&t=1274&p=10293#p10293|title=Re: 31c/240 caterpillar working notes|author=Kiho Park|date=January 8, 2014|accessdate=January 9, 2015}}</ref> | ||
Each passing Herschel shifts its block chain forward by 9 ticks, which is relatively prime to 31, so it is possible to shift the block chains by any desired distance. Thus a rake unit can be adjusted to output gliders on any desired lane. Arbitrary [[slow salvo]] recipes can be fired from the rakes, enabling a 31c/240 spaceship to construct its own support by sending LWSS and MWSS spaceships forward to collide with gliders at the front end, and extend the block chains ahead of the ship. | Each passing Herschel shifts its block chain forward by 9 ticks, which is relatively prime to 31, so it is possible to shift the block chains by any desired distance. Thus a rake unit can be adjusted to output gliders on any desired lane. Arbitrary [[slow salvo]] recipes can be fired from the rakes, enabling a 31c/240 spaceship to construct its own support by sending LWSS and MWSS spaceships forward to collide with gliders at the front end, and extend the block chains ahead of the ship. | ||
Later, [[Michael Simkin]] constructed a smaller 31c/240 orthogonal spaceship using [[caterloopillar]] technology.<ref>http://www.conwaylife.com/forums/viewtopic.php?p=30105 | Later, [[Michael Simkin]] constructed [[centipede caterloopillar|a smaller 31c/240 orthogonal spaceship]] using [[caterloopillar]] technology.<ref>{{cite web|url=http://www.conwaylife.com/forums/viewtopic.php?p=30105#p30105|title=Re: 31c/240 caerloopillar|author=Michael Simkin|date=April 17, 2016|accessdate=April 17, 2016}}</ref> | ||
31c/240 had been the slowest speed achieved by orthogonal spaceships until March 5, | 31c/240 had been the slowest speed achieved by orthogonal spaceships until March 5, {{year|2016}}, when [[copperhead]] was discovered. | ||
==References== | ==References== | ||
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==See also== | ==See also== | ||
*[[:Category:Speeds|List of important speeds]] | *[[:Category:Speeds|List of important speeds]] | ||
*[[:Category:Spaceships with speed 31c/240|List of spaceships with speed 31c/240]] | |||
*[[:Category:Crawlers with speed 31c/240|List of crawlers with speed 31c/240]] | |||
==External links== | |||
{{LinkLexicon|lex_1.htm#a-31c240|name=31c/240}} | |||
Revision as of 04:21, 28 December 2019
| 31c/240 orthogonal | ||
| ||
| Spaceship | Yes | |
|---|---|---|
| Puffer | Yes | |
| Rake | Yes | |
| Wickstretcher | No | |
| Gun | No | |
31c/240 orthogonal is an orthogonal speed equal to thirty one two-hundred-fortieths of the speed of light. A reburnable glider-emitting wick traveling at 31c/240, based on pairs of Herschels traveling along chains of blocks, was discovered in April 2013.[1]. The first spaceship built using this technology was the shield bug, soon followed by the smaller centipede.
Spaceships can be constructed with many mutually-supporting pairs of Herschels, each of which send out a glider to each side every 240 ticks, somewhat along the lines of the chains of pi climbers in the original Caterpillar. The first step in constructing a spaceship was to find a way to allow Herschel pairs to climb block chains while suppressing all output gliders. In January 2014, Kiho Park suggested a workable suppression mechanism.[2]
Each passing Herschel shifts its block chain forward by 9 ticks, which is relatively prime to 31, so it is possible to shift the block chains by any desired distance. Thus a rake unit can be adjusted to output gliders on any desired lane. Arbitrary slow salvo recipes can be fired from the rakes, enabling a 31c/240 spaceship to construct its own support by sending LWSS and MWSS spaceships forward to collide with gliders at the front end, and extend the block chains ahead of the ship.
Later, Michael Simkin constructed a smaller 31c/240 orthogonal spaceship using caterloopillar technology.[3]
31c/240 had been the slowest speed achieved by orthogonal spaceships until March 5, 2016, when copperhead was discovered.
References
- ↑ Dave Greene (April 19, 2013). "Re: Blockic splitters". Retrieved on January 9, 2015.
- ↑ Kiho Park (January 8, 2014). "Re: 31c/240 caterpillar working notes". Retrieved on January 9, 2015.
- ↑ Michael Simkin (April 17, 2016). "Re: 31c/240 caerloopillar". Retrieved on April 17, 2016.
See also
External links
- 31c/240 at the Life Lexicon