RNE-19T84

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RNE-19T84
x = 15, y = 27, rule = B3/S23 7b2o$7bo$5bobo$5b2o$bo$obo$obo$bo2$13b2o$13bo$11bobo$2bo8b2o$2b2o$b2o 7$5b2obo$5b2ob3o$11bo$5b2ob3o$4bo2b2o$4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ HEIGHT 600 ZOOM 16 GPS 10 PAUSE 2 LOOP 100 ]]
Pattern type Conduit
Conduit type Converter
Conduit for R-pentomino
Converts to Glider
Number of cells 44
Recovery time 35 ticks
Spartan? No
Discovered by Stephen Silver
Year of discovery 1998

RNE-19T84 is a converter that accepts an input R-pentomino and produces a glider heading northeast (if the R-pentomino is in standard orientation as shown in the infobox at right).

This converter has several common uses. Paul Callahan pointed out on October 29, 1997 that the beehive-and-eater constellation can be attached to the L156 Herschel conduit to change it into a useful period doubler. On November 11, 1998, Stephen Silver removed the Herschel output from the period-doubling L156 to produce a Herschel-to-glider converter:

x = 42, y = 30, rule = B3/S23 32bo$30b3o$29bo$18bo10b2o$17bobo$17bobo$15b3ob2o20bo$14bo24b3o$8bo6b3o b2o17bo$8b3o6bob2o17b2o$11bo$10b2o$35b2o$34bo2bo$35b2o4$9bo$9bobo$9b3o $11bo11b2o$23bo$24b3o$26bo2$2b2o$3bo$3o$o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART THUMBSIZE 2 ZOOM 10 HEIGHT 400 GPS 20 PAUSE 2 LOOP 160 ]]
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RLE: here Plaintext: here

By removing one eater 1 and adding a BFx59H, it is possible to make a semi-L156 that produces 3 spare gliders.

The above H-to-2G mechanism is often used as a splitter, or as a quasi-edge shooter if the additional glider output is suppressed. It appears in many places in the glider gun collection, mainly for periods below 78 where syringes can't be used to build small true-period guns. The insertion reaction allows a glider to be placed 19 ticks in front of another glider on the same lane, or 30 ticks behind it. The 30-tick following distance can be reduced to 28 ticks if the perpendicular glider output is suppressed.

External links