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Spaceship Discussion Thread

For discussion of specific patterns or specific families of patterns, both newly-discovered and well-known.

Re: Spaceship Discussion Thread

Postby gmc_nxtman » March 24th, 2018, 12:26 pm

AforAmpere wrote:Here is what I think to be a new C/10 spaceship/pushalong, copperhead based...It can be extended as well...Is this known? It seems to be too simple not to be.


I'm pretty sure that's new. And it's really nice.
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Re: Spaceship Discussion Thread

Postby dvgrn » March 24th, 2018, 12:37 pm

calcyman wrote:
AforAmpere wrote:Is this known? It seems to be too simple not to be.

It's definitely new -- congratulations!

Yup, fairly sure I would have noticed that if it had gone by already. Nice discovery! What search were you doing?

It combines nicely with extensible fireship technology:

Code: Select all
x = 76, y = 118, rule = B3/S23
4bo2bo60bo2bo$4bo2bo60bo2bo$3bo4bo58bo4bo$3bo4bo58bo4bo$3bo4bo58bo4bo$
3bo4bo58bo4bo$2b3o2b3o56b3o2b3o$2bob4obo56bob4obo$3bo4bo58bo4bo3$2b2o
4b2o56b2o4b2o$2bo6bo56bo6bo$2bo6bo56bo6bo$bo8bo54bo8bo2$bobo4bobo54bob
o4bobo$3bo4bo58bo4bo$bobo4bobo54bobo4bobo$bobo4bobo54bobo4bobo$2bo6bo
56bo6bo3$4b4o12b4o28b4o12b4o2$4bo2bo12bo2bo28bo2bo12bo2bo$3bob2obo10bo
b2obo26bob2obo10bob2obo$3bo4bo10bo4bo26bo4bo10bo4bo2$3bo4bo10bo4bo26bo
4bo10bo4bo$3b2o2b2o10b2o2b2o26b2o2b2o10b2o2b2o$3b6o10b6o26b6o10b6o$2b
8o8b8o24b8o8b8o$2bo6bo8bo6bo24bo6bo8bo6bo$3bo4bo10bo4bo26bo4bo10bo4bo$
b2o6b2o6b2o6b2o22b2o6b2o6b2o6b2o$b2o6b2o6b2o6b2o22b2o6b2o6b2o6b2o$b2o
6b2o6b2o6b2o22b2o6b2o6b2o6b2o$3bo4bo10bo4bo26bo4bo10bo4bo$3bo4bo10bo4b
o26bo4bo10bo4bo$4bo2bo12bo2bo28bo2bo12bo2bo$3bo4bo10bo4bo26bo4bo10bo4b
o$3bo4bo10bo4bo26bo4bo10bo4bo2$5b2o14b2o14b2o14b2o14b2o$4bo2bo12bo2bo
12bo2bo12bo2bo12bo2bo$3b2o2b2o10b2o2b2o10b2o2b2o10b2o2b2o10b2o2b2o$3b
2o2b2o10b2o2b2o10b2o2b2o10b2o2b2o10b2o2b2o$3bob2obo10bob2obo10bob2obo
10bob2obo10bob2obo$5b2o14b2o14b2o14b2o14b2o$3bo4bo10bo4bo10bo4bo10bo4b
o10bo4bo$2b2o4b2o8b2o4b2o8b2o4b2o8b2o4b2o8b2o4b2o3$2bo6bo8bo6bo8bo6bo
8bo6bo8bo6bo$bob2o2b2obo6bob2o2b2obo6bob2o2b2obo6bob2o2b2obo6bob2o2b2o
bo2$5b2o14b2o14b2o14b2o14b2o$2o3b2o3b2o4b2o3b2o3b2o4b2o3b2o3b2o4b2o3b
2o3b2o4b2o3b2o3b2o2$2b3o2b3o8b3o2b3o8b3o2b3o8b3o2b3o8b3o2b3o$2b2o4b2o
8b2o4b2o8b2o4b2o8b2o4b2o8b2o4b2o$2bob4obo8bob4obo8bob4obo8bob4obo8bob
4obo$3b6o10b6o10b6o10b6o10b6o2$5b2o14b2o14b2o14b2o14b2o$4b4o12b4o12b4o
12b4o12b4o2$3b6o10b6o10b6o10b6o10b6o$4b4o12b4o12b4o12b4o12b4o2$3b2o2b
2o10b2o2b2o10b2o2b2o10b2o2b2o10b2o2b2o$b2obo2bob2o6b2obo2bob2o6b2obo2b
ob2o6b2obo2bob2o6b2obo2bob2o$4bo2bo12bo2bo12bo2bo12bo2bo12bo2bo3$5b2o
14b2o14b2o14b2o14b2o$5b2o14b2o14b2o14b2o14b2o2$2bobo2bobo8bobo2bobo8bo
bo2bobo8bobo2bobo8bobo2bobo$bo2bo2bo2bo6bo2bo2bo2bo6bo2bo2bo2bo6bo2bo
2bo2bo6bo2bo2bo2bo$bo8bo6bo8bo6bo8bo6bo8bo6bo8bo$bo8bo6bo8bo6bo8bo6bo
8bo6bo8bo$b2o6b2o6b2o6b2o6b2o6b2o6b2o6b2o6b2o6b2o$3b6o4b2o4b6o4b2o4b6o
4b2o4b6o4b2o4b6o$12bo2bo12bo2bo12bo2bo12bo2bo2$11bo4bo10bo4bo10bo4bo
10bo4bo$10b2o4b2o8b2o4b2o8b2o4b2o8b2o4b2o$11bob2obo10bob2obo10bob2obo
10bob2obo$12b4o12b4o12b4o12b4o$13b2o14b2o14b2o14b2o$20b4o12b4o12b4o$
21b2o14b2o14b2o2$18b2o4b2o8b2o4b2o8b2o4b2o$17bo2bo2bo2bo6bo2bo2bo2bo6b
o2bo2bo2bo$18b3o2b3o8b3o2b3o8b3o2b3o$18b2o4b2o8b2o4b2o8b2o4b2o$29b2o
14b2o$29b2o14b2o2$26b2o4b2o8b2o4b2o$26b3o2b3o8b3o2b3o$25bo2bo2bo2bo6bo
2bo2bo2bo$25b2ob4ob2o6b2ob4ob2o$26b8o8b8o$37b2o$36bo2bo$36b4o$35b2o2b
2o$32bo2bo4bo2bo$35bo4bo$36b4o$32bo10bo$33bo8bo2$37b2o!
#C [[ THUMBNAIL THUMBSIZE 2 HEIGHT 640 AUTOSTART GPS 5 TRACK 0 -1/10 ZOOM 5 GRID ]]
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Re: Spaceship Discussion Thread

Postby AforAmpere » March 24th, 2018, 12:40 pm

dvgrn wrote:What search were you doing?

A width 12 even symmetric search with ntzfind (rokicki's). I noticed a repeating component, and substituted a Copperhead in for another part and got the ship.

EDIT, C/10 w7 a is negative, best partial:
x = 6, y = 22, rule = B3/S23
3bo$2bobo$2bobo$3bo3$2b3o2$3bo$bo$b3o$2b2o2$4bo$5bo$4bo2$2b3o$2o2bo$2o
b3o$2bobo$2o3bo!


3c/11 w7 a is negative too, best partial:
x = 7, y = 25, rule = B3/S23
4bo$4bo$3bobo4$3b3o3$3b3o$3b3o$2b2ob2o2$2b2ob2o2$2b2ob2o$5b2o$bo$bobo$
3bo$bobo$bo3b2o$bobob2o$2bo$2bobo!


So is 4c/11 w9 a:
x = 9, y = 20, rule = B3/S23
4bo$3bobo$2bo2b2o$2bo2b2o4$bo2bobo$2ob3o$bo$bo2bo$b4o$2bob2o$3bob2o$2b
2o2b2o$bo5b2o$bo2bo2bo$2bo4b2o$bob3o$o2bo3bo!


I have a bunch of searches that I did a while ago that I forgot about.
Things to work on:
- Find a (7,1)c/8 ship in a Non-totalistic rule (someone please search the rules)
- Find a C/10 in JustFriends
- Find a C/10 in Day and Night
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Re: Spaceship Discussion Thread

Postby Saka » March 24th, 2018, 8:01 pm

Congrats on the new c/10 pushalong!
What about naming it "Coppergut"? Because at it's front is the copperhead's main head and at the back it has the little "tail" of a block.
Proud owner and founder of Sakagolue
x = 17, y = 10, rule = B3/S23
b2ob2obo5b2o$11b4obo$2bob3o2bo2b3o$bo3b2o4b2o$o2bo2bob2o3b4o$bob2obo5b
o2b2o$2b2o4bobo2b3o$bo3b5ob2obobo$2bo5bob2o$4bob2o2bobobo!

(Check gen 2)
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Re: Spaceship Discussion Thread

Postby googleplex » March 24th, 2018, 10:38 pm

here, a c/4 diagonal partial, part of my ikpx "flight tests"

x = 14, y = 20, rule = B3/S23
2o$obo$obo$b3o$bobo$b3o$b2o$2bo$2b2o$bo$2bobo$3bo$5bo$3b3o$3bo$5b3o$7b
4o$7b4o$9bo3bo$12b2o!
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Re: Spaceship Discussion Thread

Postby googleplex » March 25th, 2018, 8:56 am

a strange c/3 head:
x = 10, y = 15, rule = B3/S23
$6bo$2b2obobo$2b2o4bo$2b3o3bo2$4b2ob2o$5bobobo$2b2obobobo$2b7o$7bo$2b
2o3bo$b2o3b2o$b3o$3bobo2bo!
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Re: Spaceship Discussion Thread

Postby AforAmpere » March 25th, 2018, 8:08 pm

Saka wrote:What about naming it "Coppergut"? Because at it's front is the copperhead's main head and at the back it has the little "tail" of a block.

That name seems fine, but before I say yes, does anyone have any other suggestions for a name?

EDIT, long C/8 partial, similar to one of wildmyron's from a while ago:
x = 52, y = 99, rule = B3/S23
14$13bo5bo$13b2o3b2o$15bobo$12bo2bobo2bo$10b2obobobobob2o$13bobobobo$
13bobobobo$10b3ob2ob2ob3o3$11bo9bo$10bob2o5b2obo$9bo13bo$10bo3b2ob2o3b
o$10bo4bobo4bo$11bo3bobo3bo$11b4o3b4o$10bo11bo$9bobo9bobo$8b2o13b2o$8b
2obo9bob2o$11bo9bo$7bobobo9bobobo$7bo17bo2$12bo7bo$11bobo5bobo$10bo3bo
3bo3bo$10bo3bo3bo3bo$11bobo5bobo$11b2o2bobo2b2o$13bo5bo$10b6ob6o$11bob
2o3b2obo$11b2obo3bob2o$11b2obo3bob2o3$11bobo5bobo$10bobob2ob2obobo$9bo
13bo$9bo13bo$10b2o9b2o$10b2obo5bob2o$10b2ob2o3b2ob2o$13bo5bo$8bo5bo3bo
5bo$8bobobobo3bobobobo$9b2obob2ob2obob2o$13bo5bo$11b3o5b3o$9b2ob2o5b2o
b2o$8bo4b2o3b2o4bo$11bo2bo3bo2bo$9b2o4bobo4b2o$10bo3b2ob2o3bo$9b3o9b3o
$8bo3bo7bo3bo$8b2o2bo7bo2b2o$10b4o5b4o$13bo5bo$7b2o2b4o3b4o2b2o$8bo5bo
3bo5bo$9b3ob3ob3ob3o$10bo3b2ob2o3bo2$9bobo4bo4bobo$12bo3bo3bo$10bo2b3o
b3o2bo$7bobo3b2o3b2o3bobo$7bob4obobobob4obo$10bobobobobobobo!


And another C/8 partial:
x = 19, y = 48, rule = B3/S23
5b2o5b2o$3bo4bobo4bo$3bo4bobo4bo$2bo5bobo5bo$bobo3b2ob2o3bobo$2b4o7b4o
$3bob2o5b2obo$4bobob3obobo$3b13o$4bo9bo$6b3ob3o$6b2o3b2o$4b3o5b3o2$3bo
3bo3bo3bo$2b2o3bo3bo3b2o$2bo3bo5bo3bo$2bo13bo$2bo13bo$4b2obo3bob2o$4bo
2bo3bo2bo$3b2obo5bob2o$2bob2o7b2obo$2bob2o2b3o2b2obo$2bobo9bobo$5bo7bo
$6bo5bo$4bo2bo3bo2bo$2b2o2b2obob2o2b2o$3b2obob3obob2o2$3bo5bo5bo$2bo3b
obobobo3bo$2bobobo5bobobo$3bo2bo5bo2bo$8b3o$3b5o3b5o$2b2o2bo5bo2b2o$2o
15b2o$4bobo5bobo$2o4b3ob3o4b2o$2bo3b3ob3o3bo$2o2bo9bo2b2o$o2b2o3b3o3b
2o2bo$8b3o$b2ob3o5b3ob2o$b3ob2obobob2ob3o$bo4bobobobo4bo!
Things to work on:
- Find a (7,1)c/8 ship in a Non-totalistic rule (someone please search the rules)
- Find a C/10 in JustFriends
- Find a C/10 in Day and Night
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Re: Spaceship Discussion Thread

Postby A for awesome » March 25th, 2018, 8:35 pm

AforAmpere wrote:does anyone have any other suggestions for a name?

Other potential possibilities: "Cuttlefish" (reused from a suggestion for Copperhead itself), "Chalcocite" (the mineral form of Cu₂S, as this ship has two Copperhead-like components and one distinct one), or simply "78P10H1V0".
x₁=ηx
V ⃰_η=c²√(Λη)
K=(Λu²)/2
Pₐ=1−1/(∫^∞_t₀(p(t)ˡ⁽ᵗ⁾)dt)

$$x_1=\eta x$$
$$V^*_\eta=c^2\sqrt{\Lambda\eta}$$
$$K=\frac{\Lambda u^2}2$$
$$P_a=1-\frac1{\int^\infty_{t_0}p(t)^{l(t)}dt}$$

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Re: Spaceship Discussion Thread

Postby wildmyron » March 26th, 2018, 1:07 am

A 74 bit 2c/5 ship which seems to be new:
x = 25, y = 14, rule = B3/S23
2o$ob4o2bo$o4bo$bobobo4bo9b2o$11b4o2bobo3b2o$2b2o3b9o3bo3bo$bo4bo3b2o$
o13bo4bo4bo$bo11b3o3b3o2bo$2bobo7bo3bo2bo2bo$3b2ob2o5b2obo6bo$14b3o$
16b3o$18bo!

Found during one of my searches trying to stabilise the shortest of these 2c/5 waves
x = 248, y = 40, rule = B3/S23:T0,40
b2o2bobo3b2ob2o4b2ob2obob2o31b2ob7o6b2o3b3o5bo3bob3o32b2ob7o6b6o2bo3bo
b2o38b2ob7o6b3ob5obob3o4bo2bo2bo$o3b3o3b2o10bob3o33bo7bob2o4b3o15b4o
32bo7bob2o4b4o5bo3bob2o5bo31bo7bob2o4b5obo3b2ob2o3b2ob2ob3o$b3o5b3o8b
6o35b3o2b2o3b3o2bo14bo2b2o35b3o2b2o3b3o2bo3b2obo2b2obo4bo4bo31b3o2b2o
3b3o2bo5bo4bo2bo3bo2b2ob2obo$2b2o5bo9bo2bo39b2o2b2o6bo15b2o2bobo35b2o
2b2o6bo6b3o6b2o3bobo2bo31b2o2b2o6bo12bobo4b3o3bo2b3o$9bo3bo4b2obo47bob
o2bo14bo2bobo44bobo2bo7b2o9bobo3bo39bobo2bo27bob3o$8bobo2bo3bo4bo46b2o
2bo6bo9b2ob2o44b2o2bo24b2o39b2o2bo8b2o14b2o3bo2bo$7bo2b4o5b3o46b2obo2b
o4bobo3b2o7b2o42b2obo2bo8b2o7b2obobo40b2obo2bo7b2ob2o2b2o6bo2b2o2bob2o
$6bobob3o3bobo47bob2obo2bo3bo3b6o3b4o41bob2obo2bo9bob2o4b3o4bo36bob2ob
o2bo6bo4bo2bob2o3b3o3b2o2b2o$5b2ob3o5b2ob2obo41b3o2b2ob3o3bo5bo2b2obo
2b2o39b3o2b2ob3o22b2o35b3o2b2ob3o7bo4bobob2o3bo5b3obo$2bo2bob2ob2o3bo
46b2o6bo6b2ob2o5b2o5bo2b2o33b2o6bo6bobobo3bo2bo8bo34b2o6bo6bo4bo2bobob
o2bo3b6o3bo$b2o2bobo3b2ob2o4b2ob2obob2o31b2ob7o6b2o3b3o5bo3bob3o32b2ob
7o6b6o2bo3bob2o38b2ob7o6b3ob5obob3o4bo2bo2bo$o3b3o3b2o10bob3o33bo7bob
2o4b3o15b4o32bo7bob2o4b4o5bo3bob2o5bo31bo7bob2o4b5obo3b2ob2o3b2ob2ob3o
$b3o5b3o8b6o35b3o2b2o3b3o2bo14bo2b2o35b3o2b2o3b3o2bo3b2obo2b2obo4bo4bo
31b3o2b2o3b3o2bo5bo4bo2bo3bo2b2ob2obo$2b2o5bo9bo2bo39b2o2b2o6bo15b2o2b
obo35b2o2b2o6bo6b3o6b2o3bobo2bo31b2o2b2o6bo12bobo4b3o3bo2b3o$9bo3bo4b
2obo47bobo2bo14bo2bobo44bobo2bo7b2o9bobo3bo39bobo2bo27bob3o$8bobo2bo3b
o4bo46b2o2bo6bo9b2ob2o44b2o2bo24b2o39b2o2bo8b2o14b2o3bo2bo$7bo2b4o5b3o
46b2obo2bo4bobo3b2o7b2o42b2obo2bo8b2o7b2obobo40b2obo2bo7b2ob2o2b2o6bo
2b2o2bob2o$6bobob3o3bobo47bob2obo2bo3bo3b6o3b4o41bob2obo2bo9bob2o4b3o
4bo36bob2obo2bo6bo4bo2bob2o3b3o3b2o2b2o$5b2ob3o5b2ob2obo41b3o2b2ob3o3b
o5bo2b2obo2b2o39b3o2b2ob3o22b2o35b3o2b2ob3o7bo4bobob2o3bo5b3obo$2bo2bo
b2ob2o3bo46b2o6bo6b2ob2o5b2o5bo2b2o33b2o6bo6bobobo3bo2bo8bo34b2o6bo6bo
4bo2bobobo2bo3b6o3bo$b2o2bobo3b2ob2o4b2ob2obob2o31b2ob7o6b2o3b3o5bo3bo
b3o32b2ob7o6b6o2bo3bob2o38b2ob7o6b3ob5obob3o4bo2bo2bo$o3b3o3b2o10bob3o
33bo7bob2o4b3o15b4o32bo7bob2o4b4o5bo3bob2o5bo31bo7bob2o4b5obo3b2ob2o3b
2ob2ob3o$b3o5b3o8b6o35b3o2b2o3b3o2bo14bo2b2o35b3o2b2o3b3o2bo3b2obo2b2o
bo4bo4bo31b3o2b2o3b3o2bo5bo4bo2bo3bo2b2ob2obo$2b2o5bo9bo2bo39b2o2b2o6b
o15b2o2bobo35b2o2b2o6bo6b3o6b2o3bobo2bo31b2o2b2o6bo12bobo4b3o3bo2b3o$
9bo3bo4b2obo47bobo2bo14bo2bobo44bobo2bo7b2o9bobo3bo39bobo2bo27bob3o$8b
obo2bo3bo4bo46b2o2bo6bo9b2ob2o44b2o2bo24b2o39b2o2bo8b2o14b2o3bo2bo$7bo
2b4o5b3o46b2obo2bo4bobo3b2o7b2o42b2obo2bo8b2o7b2obobo40b2obo2bo7b2ob2o
2b2o6bo2b2o2bob2o$6bobob3o3bobo47bob2obo2bo3bo3b6o3b4o41bob2obo2bo9bob
2o4b3o4bo36bob2obo2bo6bo4bo2bob2o3b3o3b2o2b2o$5b2ob3o5b2ob2obo41b3o2b
2ob3o3bo5bo2b2obo2b2o39b3o2b2ob3o22b2o35b3o2b2ob3o7bo4bobob2o3bo5b3obo
$2bo2bob2ob2o3bo46b2o6bo6b2ob2o5b2o5bo2b2o33b2o6bo6bobobo3bo2bo8bo34b
2o6bo6bo4bo2bobobo2bo3b6o3bo$b2o2bobo3b2ob2o4b2ob2obob2o31b2ob7o6b2o3b
3o5bo3bob3o32b2ob7o6b6o2bo3bob2o38b2ob7o6b3ob5obob3o4bo2bo2bo$o3b3o3b
2o10bob3o33bo7bob2o4b3o15b4o32bo7bob2o4b4o5bo3bob2o5bo31bo7bob2o4b5obo
3b2ob2o3b2ob2ob3o$b3o5b3o8b6o35b3o2b2o3b3o2bo14bo2b2o35b3o2b2o3b3o2bo
3b2obo2b2obo4bo4bo31b3o2b2o3b3o2bo5bo4bo2bo3bo2b2ob2obo$2b2o5bo9bo2bo
39b2o2b2o6bo15b2o2bobo35b2o2b2o6bo6b3o6b2o3bobo2bo31b2o2b2o6bo12bobo4b
3o3bo2b3o$9bo3bo4b2obo47bobo2bo14bo2bobo44bobo2bo7b2o9bobo3bo39bobo2bo
27bob3o$8bobo2bo3bo4bo46b2o2bo6bo9b2ob2o44b2o2bo24b2o39b2o2bo8b2o14b2o
3bo2bo$7bo2b4o5b3o46b2obo2bo4bobo3b2o7b2o42b2obo2bo8b2o7b2obobo40b2obo
2bo7b2ob2o2b2o6bo2b2o2bob2o$6bobob3o3bobo47bob2obo2bo3bo3b6o3b4o41bob
2obo2bo9bob2o4b3o4bo36bob2obo2bo6bo4bo2bob2o3b3o3b2o2b2o$5b2ob3o5b2ob
2obo41b3o2b2ob3o3bo5bo2b2obo2b2o39b3o2b2ob3o22b2o35b3o2b2ob3o7bo4bobob
2o3bo5b3obo$2bo2bob2ob2o3bo46b2o6bo6b2ob2o5b2o5bo2b2o33b2o6bo6bobobo3b
o2bo8bo34b2o6bo6bo4bo2bobobo2bo3b6o3bo!
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Re: Spaceship Discussion Thread

Postby Apple Bottom » March 26th, 2018, 1:19 am

AforAmpere wrote:That name seems fine, but before I say yes, does anyone have any other suggestions for a name?


Cottonmouth -- sticking with the "snakes starting on C" theme.
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Re: Spaceship Discussion Thread

Postby Hooloovoo » March 26th, 2018, 1:48 am

Nice!

Apple Bottom wrote:Cottonmouth -- sticking with the "snakes starting on C" theme.
This is my favorite so far.
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Re: Spaceship Discussion Thread

Postby muzik » March 26th, 2018, 3:44 am

Apple Bottom wrote:
AforAmpere wrote:That name seems fine, but before I say yes, does anyone have any other suggestions for a name?


Cottonmouth -- sticking with the "snakes starting on C" theme.

I was reserving that name for a new velocity, and would have named the fireship it. Fits here well, though.
waiting for apgsearch to support one-dimensional rules
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Re: Spaceship Discussion Thread

Postby Saka » March 26th, 2018, 3:50 am

Snakes starting with C:
Cylindrophis
Colubridae
Candoia
Calabar python/Calabaria

On the topic of Spaceships, how can I help?
Proud owner and founder of Sakagolue
x = 17, y = 10, rule = B3/S23
b2ob2obo5b2o$11b4obo$2bob3o2bo2b3o$bo3b2o4b2o$o2bo2bob2o3b4o$bob2obo5b
o2b2o$2b2o4bobo2b3o$bo3b5ob2obobo$2bo5bob2o$4bob2o2bobobo!

(Check gen 2)
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Re: Spaceship Discussion Thread

Postby calcyman » March 26th, 2018, 4:28 am

A for awesome wrote:"Chalcocite" (the mineral form of Cu₂S, as this ship has two Copperhead-like components and one distinct one).


That's my favourite suggestion so far.
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Re: Spaceship Discussion Thread

Postby googleplex » March 26th, 2018, 10:24 am

c/4 ikpx results:
x = 12, y = 20, rule = B3/S23
bo$bo$obo2$obo$2o$3b2o$3b2o$3bobo$6b2o$7b2o$7b2o$3b3o2b2o2$5bo2b2o$6b
4o$4bo2bobo$4bo6bo$6bo2b2o!


needs a tail
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Re: Spaceship Discussion Thread

Postby dvgrn » March 26th, 2018, 10:54 am

googleplex wrote:c/4 ikpx results:
x = 12, y = 20, rule = B3/S23
bo$bo$obo2$obo$2o$3b2o$3b2o$3bobo$6b2o$7b2o$7b2o$3b3o2b2o2$5bo2b2o$6b
4o$4bo2bobo$4bo6bo$6bo2b2o!


needs a tail

Check the fourth and fifth rows from the bottom in Golly's Patterns/Life/Spaceships/c4-orthogonal.rle. There are lots of known completions with the same first seven rows. Might be some more matches hiding elsewhere, I didn't look really carefully.

If a tail can be found to stabilize the next seven rows, that might be a new ship. But this may be search space that's already been covered pretty well. Not being a c/4 spaceship search expert, I wouldn't really know.
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Re: Spaceship Discussion Thread

Postby googleplex » March 26th, 2018, 3:38 pm

googleplex wrote:here, a c/4 diagonal partial, part of my ikpx "flight tests"

x = 14, y = 20, rule = B3/S23
2o$obo$obo$b3o$bobo$b3o$b2o$2bo$2b2o$bo$2bobo$3bo$5bo$3b3o$3bo$5b3o$7b
4o$7b4o$9bo3bo$12b2o!


EDIT: In c/4 diagonal.rle:
x = 25, y = 28, rule = B3/S23
bo$2o$obo$2bo$3bo$ob2o$bo2$2b2o$2b2o$2bo$3b2o2$3b3o$3bo2bo$4bo$6b2o$8b
o$9b2o$14bo$10bob4o$12bo2bo2bo$17bobo2$18b2ob2o$18b2o3bo$20b2o$23b2o!
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Re: Spaceship Discussion Thread

Postby AforAmpere » March 26th, 2018, 5:05 pm

Apple Bottom wrote:Cottonmouth -- sticking with the "snakes starting on C" theme.

I like Cottonmouth, it's easy to pronounce fluidly and has to do with snakes. I think Cottonmouth would be a good name for the pushalong.
Things to work on:
- Find a (7,1)c/8 ship in a Non-totalistic rule (someone please search the rules)
- Find a C/10 in JustFriends
- Find a C/10 in Day and Night
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Re: Spaceship Discussion Thread

Postby Apple Bottom » March 27th, 2018, 4:28 am

AforAmpere wrote:I like Cottonmouth, it's easy to pronounce fluidly and has to do with snakes. I think Cottonmouth would be a good name for the pushalong.


While we're at it, "snake" could be made an (un)official nickname for a c/10 spaceship. ;)

(There's some potential for confusion there, granted, but I don't see it being a problem in practice, anymore than -- say -- the existence of two different barges.)
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Re: Spaceship Discussion Thread

Postby googleplex » March 27th, 2018, 11:40 am

a positive ikpx result, c/2:
x = 24, y = 18, rule = B3/S23
17bo$16b3o$15b3ob2o$13b2obo2bo$12bobo4bob2o$11b2obo2bobob2o$8bo2bobo8b
o$7b3obob2o7b2o$6b2obobo$5b2o4bo$6bo3bo$5b2o$3b2obobo$4bobob2o$b2obobo
3bo$b2o3bo$b3obo3b2o$2o!
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Re: Spaceship Discussion Thread

Postby wildmyron » March 28th, 2018, 6:38 am

wildmyron wrote:A 74 bit 2c/5 ship which seems to be new:
x = 25, y = 14, rule = B3/S23
2o$ob4o2bo$o4bo$bobobo4bo9b2o$11b4o2bobo3b2o$2b2o3b9o3bo3bo$bo4bo3b2o$
o13bo4bo4bo$bo11b3o3b3o2bo$2bobo7bo3bo2bo2bo$3b2ob2o5b2obo6bo$14b3o$
16b3o$18bo!

The connection of this ship to the 2c/5 wave I was trying to support inspired another search which found this tagalong/pushalong. It connects to several other similar ships, these two are the only ones I found which have <= 90 cells:
x = 52, y = 25, rule = B3/S23
5b2ob2o4b2o3b3o25bo$4bobo5b2o3bob2obo23b5o$3bo8b2o4bob3obo20bo5bo$2bo
9b5o5b2o22b2o$3bo4bo6b3o32bo$4b2o3b3o35b2o$13bo21b2ob2o4b2o$3bobobo4bo
21bobo5b2o4bo$2bo4bo3bo21bo8b2o4bo$2bob4o24bo9b6o$2b2o29bo4bo6b2o$34b
2o3b3o$8bo34bo$8b2o23bobobo4bo$b2o5b2o22bo4bo3bo$2o2bo4bo22bob4o$bobo
3b2o23b2o$2bo2bo$3b2o33bo$38b2o$31b2o5b2o$30b2o2bo4bo$31bobo3b2o$32bo
2bo$33b2o!
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Re: Spaceship Discussion Thread

Postby AforAmpere » March 31st, 2018, 11:55 am

Extending this C/8 partial at w10 g was negative:
x = 19, y = 24, rule = B3/S23
6bo5bo$6b2o3b2o$8bobo$5bo2bobo2bo$3b2obobobobob2o$6bobobobo$6bobobobo$
3b3ob2ob2ob3o3$4bo9bo$3bob2o5b2obo$2bo13bo$3bo3b2ob2o3bo$3bo4bobo4bo$
4bo3bobo3bo$4b4o3b4o$3bo11bo$2bobo9bobo$b2o13b2o$b2obo9bob2o$4bo9bo$ob
obo9bobobo$o17bo!

The search took around 131 CPU hours. This still does not mean a C/8 does not exist at w10 g, but it does show that it does not with this frontend. Longest partial:
x = 21, y = 75, rule = B3/S23
7bo5bo$7b2o3b2o$9bobo$6bo2bobo2bo$4b2obobobobob2o$7bobobobo$7bobobobo$
4b3ob2ob2ob3o3$5bo9bo$4bob2o5b2obo$3bo13bo$4bo3b2ob2o3bo$4bo4bobo4bo$
5bo3bobo3bo$5b4o3b4o$4bo11bo$3bobo9bobo$2b2o13b2o$2b2obo9bob2o$5bo9bo$
bobobo9bobobo$bo17bo2$6bo7bo$5bobo5bobo$4bo3bo3bo3bo$4bo3bo3bo3bo$5bob
o5bobo$5b2o2bobo2b2o$7bo5bo$4b6ob6o$5bob2o3b2obo$5b2obo3bob2o$5b2obo3b
ob2o3$5bobo5bobo$4bobob2ob2obobo$3bo13bo$3bo13bo$4b2o9b2o$4b2obo5bob2o
$4b2ob2o3b2ob2o$7bo5bo$2bo5bo3bo5bo$2bobobobo3bobobobo$3b2obob2ob2obob
2o$7bo5bo$5b3o5b3o$3b2ob2o5b2ob2o$2bo4b2o3b2o4bo$5bo2bo3bo2bo$3b2o4bob
o4b2o$4bo3b2ob2o3bo$3b3o9b3o$2bo3bo7bo3bo$2b2o2bo7bo2b2o$4b4o5b4o$7bo
5bo$2b3obob2ob2obob3o$bo5bo5bo5bo$bo3bo9bo3bo$3obo11bob3o$2o3b2ob2ob2o
b2o3b2o$6bo2bobo2bo$6b3o3b3o$b3o3b2o3b2o3b3o$2b3o3b2ob2o3b3o$bo2bo2b3o
b3o2bo2bo$4bobo2bobo2bobo$3o2bo3bobo3bo2b3o$2o3bo3bobo3bo3b2o$b3o5bobo
5b3o!

I am currently running a C/8 search at w10 u, which will probably be much, much longer.
Things to work on:
- Find a (7,1)c/8 ship in a Non-totalistic rule (someone please search the rules)
- Find a C/10 in JustFriends
- Find a C/10 in Day and Night
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Re: Spaceship Discussion Thread

Postby Sokwe » April 6th, 2018, 4:39 am

Here's an update to the small c/4 orthogonal and 2c/5 orthogonal ship collections:
c4o-and-2c5-small-ships-5-Apr-2018.zip
(40.81 KiB) Downloaded 83 times

@wildmyron, I credited you as "WM" in ships-2c5-unique.rle since "AP" was already being used for Aidan Pierce. Do you want to be credited differently?
-Matthias Merzenich
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Re: Spaceship Discussion Thread

Postby wildmyron » April 8th, 2018, 11:57 pm

Sokwe wrote:Here's an update to the small c/4 orthogonal and 2c/5 orthogonal ship collections:
c4o-and-2c5-small-ships-5-Apr-2018.zip

@wildmyron, I credited you as "WM" in ships-2c5-unique.rle since "AP" was already being used for Aidan Pierce. Do you want to be credited differently?

Sorry, I forgot to respond to this.

Thank you for continuing to maintain this collection and confirming the ships I posted are worth including. I'm happy for WM to be used as it is unambiguous and relates to me. If you used 3 letter initialisations then AJP would be appropriate, but it doesn't seem like there's any need for that and the two letter forms do format nicely.
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Re: Spaceship Discussion Thread

Postby Billabob » April 9th, 2018, 1:53 pm

I've spent the last month or so using ntzfind to search for low-width high-period ships, in hopes of finding the next Copperhead. Unfortunately there have been no positive results, but here are all the negative results:

Speed - Asymmetric width - Odd width - Even width - Gutter width

c/11 - 5 - 6 - 6 - 6
2c/11 - 6 - 6 - 6 - 6
3c/11 - 6 - 6 - 6 - 6
4c/11 - 8 - ? - 8 - 8
5c/11 - 10 - 10 - 10 - 10
c/12 - 6 - 6 - 6 - 6
5c/12 - 9 - 9 - 9 - 9
c/13 - 6 - 6 - 6 - 6
2c/13 - 6 - 6 - 6 - 6
3c/13 - 6 - 6 - 6 - 6
4c/13 - 6 - 6 - 6 - 6
5c/13 - 8 - 7 - 7 - 9
6c/13 - 7 - 7 - 7 - 7
3c/14 - 6 - 6 - 6 - 6
5c/14 - 7 - 7 - 7 - 7
7c/15 - 6 - 6 - 6 - 6
5c/16 - ? - 6 - ? - ?
7c/16 - 6 - 7 - 7 - 7
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