Space rake: Difference between revisions

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backward space rake
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{{Puffer|type=Rake|p=20|s=c/2|bx=22|by=19|name=Space rake|dir=Orthogonal|pname=spacerake|c=65|life105=true|life106=true|plaintext=true|rle=true|animated=true}}
{{Puffer|type=Rake|p=20|s=c/2|bx=22|by=19|name=Space rake|dir=Orthogonal|pname=spacerake|c=65|life105=true|life106=true|plaintext=true|rle=true|animated=true}}
'''Space rake''' is a [[period]] 20 forward [[glider]] [[rake]] constructed around 1971 and was the first known rake. It consists of an [[ecologist]] with a [[lightweight spaceship]] added to turn its dying debris into gliders.
'''Space rake''' is a [[period]] 20 forward [[glider]] [[rake]] constructed around 1971 and was the first known rake. It consists of an [[ecologist]] with a [[lightweight spaceship]] added to turn its dying debris into gliders.
Note that if the back lightweight spaceship is flipped vertically and moved down by one [[cell]], then this becomes a period 20 backward glider rake, as shown below.
==Image gallery==
{|
|-
|[[Image:backward_space_rake.png|framed|left|The backward version of the space rake<br />{{JavaRLE|backwardspacerake|brief}}]]
|}


==External links==
==External links==
{{LinkWeisstein|SpaceRake.html}}
{{LinkWeisstein|SpaceRake.html}}
{{LinkLexicon|lex_s.htm#spacerake}}
{{LinkLexicon|lex_s.htm#spacerake}}

Revision as of 18:42, 29 May 2009

Space rake
x = 22, y = 19, rule = B3/S23 11b2o5b4o$9b2ob2o3bo3bo$9b4o8bo$10b2o5bo2bo2$8bo$7b2o8b2o$6bo9bo2bo$7b 5o4bo2bo$8b4o3b2ob2o$11bo4b2o4$18b4o$o2bo13bo3bo$4bo16bo$o3bo12bo2bo$b 4o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]]
Pattern type Rake
Puffer
Number of cells 65
Bounding box 22 × 19
Direction Orthogonal
Period 20
Speed c/2
Discovered by Unknown
Year of discovery Unknown

Space rake is a period 20 forward glider rake constructed around 1971 and was the first known rake. It consists of an ecologist with a lightweight spaceship added to turn its dying debris into gliders.

Note that if the back lightweight spaceship is flipped vertically and moved down by one cell, then this becomes a period 20 backward glider rake, as shown below.

The backward version of the space rake
RLE: here

Template:LinkWeisstein