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New Potato Gun User, Please Help

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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Unread postAuthor: DYI » Thu Jul 24, 2008 8:17 am

The o-ring on that cleanout plug (not cap, as a cap is a female fitting by definition) is there for a reason - it's meant to be pressed against the outside of the threaded coupling to create a good seal. That's why cleanouts have so few threads, because they use an o-ring. If you can't tighten the plug far enough to press the o-ring against the coupling by hand, you either have a screwed up threaded coupling, or a bad plug.
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Unread postAuthor: nosebleedXD » Thu Jul 24, 2008 3:45 pm

its actually really tight and i dont think i have a way to unscrew it

and im still wondering about that wrench thing

any diagrams or something on how to build it

HOLY MOTHER, this gun is crazy, i just wanted to test my gun by shooting it really high, next thing you know my bullet was gone ...
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Unread postAuthor: iisthemuffin » Thu Jul 24, 2008 4:09 pm

nosebleedXD wrote:its actually really tight and i dont think i have a way to unscrew it

and im still wondering about that wrench thing

any diagrams or something on how to build it

HOLY MOTHER, this gun is crazy, i just wanted to test my gun by shooting it really high, next thing you know my bullet was gone ...


Dude! Read all of the posts instead of just a few! Deadeye and myself have both offered you ideas for a wrench! Stop asking the same question over and over. I do not mean to be so harsh but you are be so repetitive.
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Unread postAuthor: nosebleedXD » Thu Jul 24, 2008 4:10 pm

lol wanna draw me a picture of how the wrench looks like i've read it, i dont get you
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Unread postAuthor: iisthemuffin » Thu Jul 24, 2008 4:12 pm

Well deadeye explained it pretty well. But i will still give you a diagram. Also wha i had suggested was a bike intertube wrapped around it.

Just cut this out of a two by for and there you have it. Make the squared part however big your little twisty thing is.
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Unread postAuthor: nosebleedXD » Thu Jul 24, 2008 4:15 pm

anyways i just screwed the cap on as tight as i could, dont even ask me how i unscrewed it
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Unread postAuthor: iisthemuffin » Thu Jul 24, 2008 4:17 pm

You are the hardest person i have ever met to help. You ask for help and then when it is offered you completely ignore it if it isnt EXACTLY what you need. Try to improvise. Its not hard. Ive given you more than enough to make a wrench.
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Unread postAuthor: nosebleedXD » Thu Jul 24, 2008 4:19 pm

Want to see my wrench i made, its a piece of wood with some hole that looks like its been bitten off on the end
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Unread postAuthor: iisthemuffin » Thu Jul 24, 2008 4:20 pm

Sure.
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Unread postAuthor: nosebleedXD » Thu Jul 24, 2008 4:26 pm

Image
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Unread postAuthor: nosebleedXD » Thu Jul 24, 2008 5:02 pm

oh and what gun is better pneumatic or this

dayum i lost my bullet and ideas on bullets and etc?

i checked the post it said golf balls and stuff but it doesnt fit sadly

and my barrel is 1 1/2

p.s i used abs cement or pvc glue whatever you called to glue my parts together, so will my gun ever explode? i've seen videos on youtube of them exploding 0_0 and by any chance will my barrel shoot out or something
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Unread postAuthor: nosebleedXD » Thu Jul 24, 2008 7:57 pm

im so pro with potato guns =]

[youtube]http://www.youtube.com/watch?v=MYNGzdT6ubc[/youtube]
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Unread postAuthor: DYI » Thu Jul 24, 2008 8:54 pm

p.s i used abs cement or pvc glue whatever you called to glue my parts together, so will my gun ever explode?


If you did everything properly and as the tutorials on this site specify, it will be fine. Which is to say it will probably explode very, very soon. When it does, I dearly hope that you're using oxy/acetylene and aiming at your gonads, because people like you just piss me off.
What's wrong with just using a normal pipe wrench to turn the cap? Considering that they're designed for things like that, you'd think they'd be the logical choice.
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Unread postAuthor: Mr.Sandman » Thu Jul 24, 2008 9:03 pm

maybe you could invest in another cannon body. i would because where i live i could make the body for about 3 bucks not including the sparker.
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Unread postAuthor: nosebleedXD » Thu Jul 24, 2008 9:34 pm

ok time to go basement and find myself a wrench

and did you enjoy the video?
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