Period-54 glider gun

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Period-54 glider gun
x = 29, y = 28, rule = B3/S23 o9bo14bo$3o5b3o12b3o$3bo3bo14bo$2b2o3b2o13b2o2$5bo$4bobo$15bo2bo$4b3o 11bo$15bo3bo$17b2o$4b3o10b2o$25b2o$4bobo6b2o10bobo$5bo7b2o12bo$27b2o$ 2b2o3b2o$3bo3bo$bobobobobo$obob2ob2obob2ob2o$obo7bob2ob2o$bo2b4obo$2b 2o3bob2ob2o14bo$4bo5bob2ob2obo7bobo$4b4ob3o3bob2o8b2o$9bo2bobo$6b3o3b 2o$6bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ ZOOM 8 AUTOSTART OFF ]]
Pattern type Gun
Number of cells 137
Bounding box 35 × 29
Period 54
Barrels 1
Discovered by David Raucci
Year of discovery 2021

Period-54 glider gun is a true period 54 gun discovered by David Raucci on September 16, 2021.[1] It consists of periodic honeyfarm-to-LOM and LOM-to-honeyfarm conduits that connect only to each other. As often happens, the earliest form of the gun (a dimer using two p9 heavyweight emulators) was gradually improved[2][3][4] during the course of a discussion on Discord, to the form shown in the infobox at right, which uses a period-9 snacker and 64P6 as sparkers.

This is one of a relatively small number of known true period guns below period 78, where syringe-based guns become possible. It is currently the seventh-smallest glider gun overall with a distinct period.[5]

References

  1. David Raucci (September 16, 2021). Re: Gun Discussion Thread (discussion thread) at the ConwayLife.com forums
  2. David Raucci (September 16, 2021). Message in #cgol on the Conwaylife Lounge Discord server
  3. David Raucci (September 16, 2021). Message in #cgol on the Conwaylife Lounge Discord server
  4. David Raucci (September 16, 2021). Message in #cgol on the Conwaylife Lounge Discord server
  5. Adam P. Goucher. "synthesis-costs/gun". Catagolue. Retrieved on September 16, 2021.