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Mini Spud Gun Chambers

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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Mini Spud Gun Chambers

Unread postAuthor: JDSpud » Tue Jan 16, 2007 9:27 pm

My Friend and I just built a mini spud gun. We were wondering if a plastic peanut butter jar is a good thing to use for a chamber.

~JDSpud
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Unread postAuthor: PneuJose » Tue Jan 16, 2007 9:33 pm

well i gotta see the bottle and the treads on it, if it had lots of treads is verry good, and the plastic is strong enough.
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Re: Mini Spud Gun Chambers

Unread postAuthor: Legendpilot » Tue Jan 16, 2007 9:33 pm

JDSpud wrote:My Friend and I just built a mini spud gun. We were wondering if a plastic peanut butter jar is a good thing to use for a chamber.

~JDSpud


You'll probably know the answer before we will. Please let us know. -Lp
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Unread postAuthor: Bluetooth » Tue Jan 16, 2007 9:52 pm

How does more "treads" mean it's better? BTW it's not "treads" its "threads".
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Cap Flying Off

Unread postAuthor: JDSpud » Tue Jan 16, 2007 10:44 pm

My mini spud gun's cap keeps flying off the back. Is there any way I can keep it on?
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Unread postAuthor: MrCrowley » Tue Jan 16, 2007 10:52 pm

gorrila glue? JB Weld? Braze it on :P umm Gaffa Tape? Sticky Tape? Screws?

joking about the welding/brazing part......
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Unread postAuthor: Pyro Ninja » Tue Jan 16, 2007 11:21 pm

i wouldnt use it
i had a bad experience with a large thin lid jar
if you test it wear ear and eye protection
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Unread postAuthor: PneuJose » Wed Jan 17, 2007 12:33 pm

ok, sorry for my english. more threads means the cap wont blow off, eg: coke bottle. u can see my mini it has a coke bottle nozzle attached.
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Unread postAuthor: Flying_Salt » Wed Jan 17, 2007 1:05 pm

You might be okay, but to make sure it won't blow on you put it in a box and fire it a few times. If it shows any signs of stress, don't use it. I can't be sure it'll keep you safe to do that, but last night I made a really ghetto tissue box chamber, so...
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Unread postAuthor: JDSpud » Thu Jan 18, 2007 9:16 am

The cap kept blowing of and the plastic wasn't very good, so we decided to trash it.
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Unread postAuthor: homeflake210 » Fri Jan 19, 2007 5:34 pm

I used a bottle of Propel Fitness Water for the chamber on my mini and it works very good. If you have a lantern sparker for the ignition its very easy to put it in the cap.
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Unread postAuthor: JDSpud » Fri Jan 19, 2007 6:55 pm

k well i used a pill bottle with lots of threads on it so it SHOULD have worked but i was shooting it inside and it had been working but i shot it this time and the cap blew off backwards and hit this light fixture perfectly. my dad is going to be pissed i m screwed

i m going to try the coke bottle technique so hopefully it will work
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Unread postAuthor: homeflake210 » Fri Jan 19, 2007 10:29 pm

If you use a Coke bottle you might want to try and find a larger barrel.
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Unread postAuthor: PneuJose » Sat Jan 20, 2007 7:50 am

http://www.spudfiles.com/forums/viewtop ... 624&#55624

this is the link to my mini.chek it out

there u can see the coke bottle nozzle, us lot of hot glue to seal it.
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Unread postAuthor: zeigs spud » Sun Jan 21, 2007 9:31 pm

Bluetooth wrote:How does more "treads" mean it's better? BTW it's not "treads" its "threads".


not sure if anyone answered you but it helps hold the cap on.
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