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{{Spaceship
{{Spaceship
|name            = Schick engine
|name            = Schick engine
|pname            = schickengine
|pname            = lightweightschickengine
|type            = Tagalong
|type            = Tagalong
|c                = 39
|c                = 39
Line 29: Line 29:
|eppsteinid      = 13374
|eppsteinid      = 13374
}}
}}
'''Schick engine''' (or '''Schick ship''') is a {{periodS|12}} [[c/2 orthogonal]] [[spaceship]] found by [[Paul Schick]] in {{year|1972}}. Alternatively, it may refer just to the [[tagalong]] (displayed in green) that is attached to the back of the two [[lightweight spaceship]]s. The tagalong may also be attached to the back of two [[middleweight spaceship]]s, two [[heavyweight spaceship]]s, or a lightweight spaceship and a heavyweight spaceship.
The '''Schick engine''' (or '''Schick ship''') can refer to one of four {{periodS|12}} [[c/2 orthogonal]] [[spaceship]]s which involve a [[Standard spaceship flotilla#Two standard spaceships|flotilla of two standard spaceships]] pulling a period-12 [[tagalong]]. The term "Schick engine" may alternatively be used to refer to the tagalong alone, separately from the two spaceships supporting it.


Its eleven-cell rear [[spark]] can be perturbed by other c/2 spaceships to form a variety of [[puffer]]s and thus it is a [[puffer engine]].<ref>{{CiteLifeline|vol=9|pages=page 5}}</ref>
This tagalong was found by [[Paul Schick]] in {{year|1972}}.


{|
The four possible spaceship types are displayed below, with the tagalong portion highlighted in green:
{| class="wikitable" style="margin-left:auto; margin-right:auto; text-align:center"
! Image
! Name
! Supporting flotilla
! [[apgcode]]
! [[Glider synthesis|Cost in gliders]]
|-
! [[File:Lightweightschickengine.png|64px]]
! Lightweight Schick engine
| [[Standard spaceship flotilla#Pseudo-spaceships|LWSS on LWSS]] (pseudo)
| {{LinkCatagolue|xq12_fh1i0i1hfzw8sms8zxfjf|style=raw}}
| 10
|-
! [[File:Middleweightschickengine.png|64px]]
! Middleweight Schick engine
| [[MWSS on MWSS 1]]
| {{LinkCatagolue|xq12_v1120211vz01gpcpg1zxv7vzy01|style=raw}}
| 14
|-
! [[File:Hravyweightschickengine.png|64px]]
! Heavyweight Schick engine
| [[HWSS on HWSS 1]]
| {{LinkCatagolue|xq12_v1120211vz120ioi021zw1vev1zx121|style=raw}}
| 11
|-
|-
| [[File:Schickengine.png|thumb|left|Tagalong in green]]
! [[File:Asymmetricschickengine.png|64px]]
! Asymmetric Schick engine
| [[LWSS on HWSS 2]]
| {{LinkCatagolue|xq12_xupuzw27d72zu10109ghuz3221|style=raw}}
| 11
|}
|}
Its eleven-cell rear [[spark]] can be perturbed by other c/2 spaceships to form a variety of [[puffer]]s and thus it is a [[puffer engine]].<ref>{{CiteLifeline|vol=9|pages=page 5}}</ref>


== [[List of common spaceships|Commonness]] ==
== [[List of common spaceships|Commonness]] ==
The Schick engine first appeared [[natural]]ly on February 12th, 2019,<ref name="post70479" /> having previously emerged (along with its middleweight and heavyweight variants) from symmetric soups on [[Catagolue]].<ref name="post14978" /><ref name="post17658" /><ref name="post28997" /> A second natural Schick engine appeared in October 2020.<ref name="post105674" />
A lightweight Schick engine first appeared [[natural]]ly on February 12th, 2019,<ref name="post70479" /> having previously emerged (along with its middleweight and heavyweight variants) from symmetric soups on [[Catagolue]].<ref name="post14978" /><ref name="post17658" /><ref name="post28997" /> A second natural Schick engine appeared in October 2020.<ref name="post105674" />


== [[Glider synthesis]] ==
== [[Glider synthesis]] ==
An {{gliders|11}} [[synthesis]] for the variant with two lightweight spaceships was found by Douglas G. Petrie in {{year|1973}}.<ref>{{CiteLifeline|vol=11|pages=page 19}}</ref>
An {{gliders|11}} [[synthesis]] for the lightweight Schick engine was found by Douglas G. Petrie in {{year|1973}}.<ref>{{CiteLifeline|vol=11|pages=page 19}}</ref>


== See also ==
== See also ==
Line 92: Line 122:
{{LinkEppstein|13374|patternname=The Schick Engine (glider 13374)}}
{{LinkEppstein|13374|patternname=The Schick Engine (glider 13374)}}
{{LinkPentadecathlonObject|39P12H6V0.1}}
{{LinkPentadecathlonObject|39P12H6V0.1}}
=== Catagolue ===
{{LinkCatagolue|xq12_fh1i0i1hfzw8sms8zxfjf|patternname=Lightweight Schick engine}}
{{LinkCatagolue|xq12_v1120211vz01gpcpg1zxv7vzy01|patternname=Middleweight Schick engine}}
{{LinkCatagolue|xq12_v1120211vz120ioi021zw1vev1zx121|patternname=Heavyweight Schick engine}}
{{LinkCatagolue|xq12_xupuzw27d72zu10109ghuz3221|patternname=Asymmetric Schick engine}}


[[Category:Smoking ships]]
[[Category:Smoking ships]]

Revision as of 11:04, 27 January 2022

Schick engine
x = 20, y = 11, rule = B3/S23 bo2bo$o$o3bo$4o9b2o$6b3o5b2o$6b2ob2o6b3o$6b3o5b2o$4o9b2o$o3bo$o$bo2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ TRACKLOOP 12 -1/2 0 THUMBSIZE 2 GPS 4 ]]
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Pattern type Tagalong
Spaceship
Number of cells 39
Bounding box 20 × 11
Direction Orthogonal
Period 12 (mod: 12)
Speed c/2 | 6c/12
Heat 43.2
Kinetic symmetry Unspecified
Discovered by Paul Schick
Year of discovery 1972

The Schick engine (or Schick ship) can refer to one of four period-12 c/2 orthogonal spaceships which involve a flotilla of two standard spaceships pulling a period-12 tagalong. The term "Schick engine" may alternatively be used to refer to the tagalong alone, separately from the two spaceships supporting it.

This tagalong was found by Paul Schick in 1972.

The four possible spaceship types are displayed below, with the tagalong portion highlighted in green:

Image Name Supporting flotilla apgcode Cost in gliders
Lightweight Schick engine LWSS on LWSS (pseudo) xq12_fh1i0i1hfzw8sms8zxfjf 10
Middleweight Schick engine MWSS on MWSS 1 xq12_v1120211vz01gpcpg1zxv7vzy01 14
File:Hravyweightschickengine.png Heavyweight Schick engine HWSS on HWSS 1 xq12_v1120211vz120ioi021zw1vev1zx121 11
Asymmetric Schick engine LWSS on HWSS 2 xq12_xupuzw27d72zu10109ghuz3221 11

Its eleven-cell rear spark can be perturbed by other c/2 spaceships to form a variety of puffers and thus it is a puffer engine.[1]

Commonness

A lightweight Schick engine first appeared naturally on February 12th, 2019,[2] having previously emerged (along with its middleweight and heavyweight variants) from symmetric soups on Catagolue.[3][4][5] A second natural Schick engine appeared in October 2020.[6]

Glider synthesis

An 11-glider synthesis for the lightweight Schick engine was found by Douglas G. Petrie in 1973.[7]

See also

References

  1. ↑ Robert Wainwright (March 1973). Lifeline, vol 9, page 5.
  2. ↑ Adam P. Goucher (February 12, 2019). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  3. ↑ Richard Schank (December 14, 2014). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  4. ↑ Richard Schank (March 10, 2015). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  5. ↑ gmc_nxtman (March 20, 2016). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  6. ↑ bubblegum (October 5, 2020). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  7. ↑ Robert Wainwright (September 1973). Lifeline, vol 11, page 19.


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