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Briliant New Cannon Design

A place to ask general spud cannon related questions.
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Briliant New Cannon Design

Unread postAuthor: darkpyro » Sun Jan 22, 2006 12:31 am

hey i was bored and wanted to make a small pneumatic cannon so i came up with this.it is one of those twist top honey bottles with a tire valve screwed into the bottom and a barrel attached.

cant seem to add pics :(
also i use pearl head pins for ammo
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Unread postAuthor: jrrdw » Sun Jan 22, 2006 6:57 am

pins :shock: ouch, be carefull not to aim wrong/missfire ever see a straight pin all the wat through some ones finger OUCH!!!
P.S.- pulling it out really sux!

P.S.S.-GO AHEAD ! ! ASK ME HOW I FREAKING KNOW!!!!!!
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Unread postAuthor: guitarfreak » Sun Jan 22, 2006 10:22 pm

be very careful with it,and i wouldnt go over 20psi with it. i an tell you now that it wont take the pressure that is need to launch a spud/bolt/marble. id stick with metal or pvc
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Unread postAuthor: cardinals08 » Sun Jan 22, 2006 10:25 pm

How much pressure have you used? I wouldnt go very high with a honey bottle either, and why cant you add pics?
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Unread postAuthor: drac » Sun Jan 22, 2006 10:49 pm

P.S.S.-GO AHEAD ! ! ASK ME HOW I FREAKING KNOW!!!!!!


How do you know? :P
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Unread postAuthor: saladtossser » Sun Jan 22, 2006 11:28 pm

i have got to buy one of those gag "nail through finger" thingys from the dollar store...
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Unread postAuthor: darkpyro » Mon Jan 23, 2006 1:24 am

i have taken it to about 35 psi at the max but i want to pressure test it to 6o to see if it can take it. i will be very care ful some other ammo i have used it tiny nails they work well and pen cartrigedes act as paint balls they explode with ink evey where when they hit !!!!
also i want to make the same type of thing with a tomato sauce twist top bottle they look like they are a bit thicker plastic.

P.S. i made this type of cannon because i could not seem to get the combustion minis to work the right air fuel mix and all that. :(
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Unread postAuthor: guitarfreak » Mon Jan 23, 2006 7:51 pm

dont take it above 35,the chamber will rupture,or the lid will blow off.
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Unread postAuthor: theregoesthewindow » Mon Jan 23, 2006 8:08 pm

I don't know if you should be using it at all, I mean, correct me if I'm wrong but those bottles really aren't that thick, I'm surprised to see that it held 35
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Unread postAuthor: darkpyro » Mon Jan 23, 2006 9:12 pm

i said id pressure test it to 60 i mean hide behind a big peice of wood while the compressor pumps it up so no one gets hurt and i see if it is safe to take it that far plus i scraped that cannon to make my new air rifle. :D :D
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Unread postAuthor: jrrdw » Tue Jan 24, 2006 8:44 am

well drac it's like this-my friend made a small cumbustion out off some kind of alumium tubeing and wrapped napkins around hat pins (6"s long), to shorten the story up-he shot me the first time,(misfired), 5 minutes later i had ahold of it, got it ready to shoot, misfired again-shot that same freaken pin through the same freaken finger, during the second removel the napkin and plastic head came off, so i had to go get plyers--OU-FREAKEN-CH !!!!!

the trick is---PULL STRAIGHT !
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Unread postAuthor: darkpyro » Tue Jan 24, 2006 5:52 pm

that sounds like it realy hurt did it go the whole way through your finger or did it just stick in a little bit
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