p7 bumper

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P7 bumper
x = 65, y = 57, rule = B3/S23 64bo$62b2o$63b2o7$54bo$54bobo$54b2o17$bo34bo$2o32b2o$obo32b2o7$9b2o15b o$9bobo14bobo$9bo16b2o6$3b2o5b2o$2bo2bo3bo2bo2$5bo3bo7b2o$3bo7bo4bo2bo $3b2o5b2o5bobo$6bobo9bo$2bo2b2ob2o2bo$bobo2bobo2bobo8b2o$bo2bobobobo2b o8bo$5bo3bo13b3o$25bo! #C [[ THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ THUMBSIZE 2 X -15 Y 10 ZOOM 10 GPS 14 HEIGHT 480 AUTOSTART LOOP 112 ]]
Pattern type Reflector
Oscillator
Number of cells 52
Bounding box 25×12
Angle 90°
Period 7
Heat Unknown
Discovered by Tanner Jacobi
Year of discovery 2016

P7 bumper is a periodic colour-preserving glider reflector with a minimum repeat time of 35 ticks. For an equivalent colour-changing periodic glider reflector see p7 bouncer. A stable Snark reflector can be substituted for any bumper. This changes the timing of the output glider, which can be useful for rephasing periodic glider streams.

The 38P7.2 can be replaced with the 37P7.1, allowing a lower population but larger bounding box. This variant is used in the p49 bumper loop, the smallest known period 49 oscillator with only 206 cells.

x = 65, y = 54, rule = B3/S23 63bo$62bo$62b3o7$55bo$53b2o$54b2o5$2o$obo$o7$9b2o$8b2o$10bo$35bo$34bo$ 34b3o7$27bo$25b2o$26b2o3$11bo5b2o4b2o$11b3o3b2o3bo2bo$14bob3o4bobo$13b o3bo6bo$10bo2bob2obo$10b3o3b2o10b2o$13b4obo9bo$12bo3b3o10b3o$13b2obo2b o11bo$14bobobo$13bo2b2o$13b2o! #C [[ THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART GPS 15 LOOP 112 X -10 Y 10 THUMBLAUNCH THUMBSIZE 2 THEME 6 ZOOM 12 HEIGHT 480 ]]
A p7 bumper with a slightly smaller population by slightly larger box. (click above to open LifeViewer)

External links