Here's a smallish p4 domino sparker with good-ish clearance:
Code: Select all
x = 18, y = 19, rule = B3/S23
8b2o$2b2o10b2o$2bo2bo6bo2bo$3b2obo4bob2o$4b2ob4ob2o$3bo2bo4bo2bo$3bo3b
4o3bo$2obo10bob2o$bobobo6bobobo$o2bo10bo2bo$b2o12b2o$3b12o$3bo10bo$2ob
obobo2bobobob2o$bobobob4obobobo$bobo10bobo$2obob2ob2ob2obob2o$3bo2bob
2obo2bo$3b2o8b2o!
I searched for something that survives this kind of interaction:
Code: Select all
x = 18, y = 20, rule = B3/S23
10bo$8b2o$2b2o10b2o$2bo2bo6bo2bo$3b2obo4bob2o$4b2ob4ob2o$3bo2bo4bo2bo$
3bo3b4o3bo$2obo10bob2o$bobobo6bobobo$o2bo10bo2bo$b2o12b2o$3b12o$3bo10b
o$2obobobo2bobobob2o$bobobob4obobobo$bobo10bobo$2obob2ob2ob2obob2o$3bo
2bob2obo2bo$3b2o8b2o!
Edit: another p4 domino sparker
Code: Select all
x = 13, y = 23, rule = B3/S23
5b2o2$b2o5b2o$o8bo$3b5ob3o$2o7bob2o$4b2o3bob2o$o9bo$4b2obobo$ob3o5bo$b
o3b2o2bo$7bo$5bo$2b3o3bo$o4bobobo$o4bobobo$bobo3b2ob2o$2bo7bo$2bo3b3ob
o$b2ob2o3bo$bo5b2o$2b5obobo$4bo4b2o!
Edit: reporting negative results from the following search (which tries to reduce the p7 domino sparker):
ofind extending the following region downwards with 6 rotor columns + 5 stator columns:
Code: Select all
x = 22, y = 37, rule = LifeHistory
10.2A3$5.A10.A$4.A4.4A4.A$2.3A.2A6.2A.3A$.A4.A8.A4.A$.A.2A.A2.A2.A2.A
.2A.A$2.A.A.A.2A2.2A.A.A.A$4.A2.A6.A2.A$4.A12.A$2.A.2A3.4A3.2A.A$.A.A
2.A8.A2.A.A$2.A2.4A4.4A2.A$3.2A12.2A$5.A.2A.2A.2A.A$5.A2.2A2.2A2.A$2.
2A.A2.2A.D2C2DCD2C2D$2.A2.2A2.A.DC2D2C2DC2D$4.A2.A6.A2.A$2.A.A.A3.2A
3.A.A.A$.A.A.A2.A4.A2.A.A.A$.A.A2.3A4.3A2.A.A$2A.2A.A.2A2.2A.A.2A.2A$
4.A.A.A4.A.A.A$4.A.A3.2A3.A.A$.2A.A.A8.A.A.2A$A.A.A4.A2.A4.A.A.A$A2.A
.2A2.4A2.2A.A2.A$.A.A.A.A6.A.A.A.A$2.A.A.3A4.3A.A.A$4.A2.2A4.2A2.A$A
2.A4.A4.A4.A2.A$4A.A.A6.A.A.4A$5.4A4.4A$2.3A2.2A.2A.2A2.3A$.A3.2A3.2A
3.2A3.A!
Edit: another negative result (rotor 6 + stator 5)
Code: Select all
x = 24, y = 78, rule = LifeHistory
11.2A$9.A4.A2$9.A4.A$9.A4.A$9.2A2.2A$8.A.A2.A.A$5.A3.2A2.2A3.A$4.A2.
2A2.2A2.2A2.A$4.3A4.2A4.3A$7.A8.A$2.4A.2A6.2A.4A$2.A2.A.A.2A2.2A.A.A
2.A$3.A16.A$3A5.A6.A5.3A$A2.3A2.A2.2A2.A2.3A2.A$2.A2.A2.A6.A2.A2.A$3.
A4.A.4A.A4.A$3A5.A6.A5.3A$A5.A2.6A2.A5.A$5.4A.A2.A.4A2$4.A.4A.2A.4A.A
$2.3A.A2.2A2.2A2.A.3A$.A5.2A6.2A5.A$2.A.2A.A8.A.2A.A$3.2A2.A.2A2.2A.A
2.2A$6.A.3A2.3A.A$3.2A.A4.2A4.A.2A$3.A.A.A.6A.A.A.A$5.A.A3.2A3.A.A$5.
A3.6A3.A$2.2A.2A2.2A2.2A2.2A.2A$2.A.A14.A.A$4.A.2A.2A2.2A.2A.A$4.A.2A
.6A.2A.A$.2A.A.2A3.2A3.2A.A.2A$2.A.A.A10.A.A.A$2.A.A.2A.A4.A.2A.A.A$
3.A.A4.A2.A4.A.A$5.A2.8A2.A$5.A.A.A4.A.A.A$4.2A2.A6.A2.2A$3.A2.2A.2A.
D2ED2E2DE2D$3.3A.A.A2.2DEDED3E2D$6.A10.A$3.2A2.A.A4.A.A2.2A$3.A16.A$.
A.A3.A8.A3.A.A$.2A4.3A4.3A4.2A$9.2A2.2A$4.2A12.2A$4.A5.A2.A5.A$.2A.A
14.A.2A$2.A.2A2.3A2.3A2.2A.A$.A4.A2.A4.A2.A4.A$2.5A10.5A$10.4A$4.3A2.
A4.A2.3A$4.A2.A.A4.A.A2.A$.2A.A.2A.A.2A.A.2A.A.2A$2.A.A.A10.A.A.A$2.A
.A.A.2A4.2A.A.A.A$.2A.A.A2.A4.A2.A.A.2A$.A2.A2.A3.2A3.A2.A2.A$3.A.2A
10.2A.A$2.2A.A3.2A2.2A3.A.2A$5.A2.A6.A2.A$2.2A.A.A3.2A3.A.A.2A$3.A.A.
A8.A.A.A$3.A.A.A8.A.A.A$2.2A.A3.A4.A3.A.2A$.A3.2A.2A4.2A.2A3.A$.2A.A
14.A.2A$2.A.4A2.A2.A2.4A.A$2.A7.4A7.A$.2A3.A3.A2.A3.A3.2A$.A4.2A3.2A
3.2A4.A!