Boat tie spark coil

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Boat tie spark coil
x = 8, y = 11, rule = B3/S23 2ob2o$o3bo$b3o3$b3o$o3bo$2ob2o$5b2o$5bobo$6bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ LOOP 2 GPS 2 THUMBSIZE 2 ]]
Pattern type Oscillator
Number of cells 23
Bounding box 8 × 11
Frequency class 32.5
Period 2
Mod 2
Heat 2
Volatility 0.08
Strict volatility 0.08
Rotor type Orthogonal on-off
Discovered by Unknown
Year of discovery Unknown

Boat tie spark coil is a period-2 oscillator.


Boat on spark coil is about the thirty-sixth most common naturally-occurring oscillator in Achim Flammenkamp's census, being slightly less common than the cis-beacon down on long bookend, approximately as common as the block on griddle, and more common than fore and back and xp2_8e1t2gozw23.[1] It is the 45th most common oscillator on Adam P. Goucher's Catagolue.

Like a spark coil, this object typically forms when two houses forming from pi heptominoes touch each other in the same generation. A house with a boat attached to a corner is more frequent than random chance would dictate, and it is the same object that mango with block on dock forms from.

Glider synthesis

Boat tie spark coil can be synthesised in five gliders via two colliding pi-heptominoes, one of which has a boat attached. The bare pi-heptomino requires two gliders, and the pi-heptomino with the boat attached requires three.

See also


  1. Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.

External links