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Opening a Ball Valve faster

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Unread postAuthor: trae08 » Tue Nov 13, 2007 11:35 pm

the gun being referred to in one of the first posts is the spud chuker 1

heres a link
http://www.spudfiles.com/forums/spudchucker-1-t98.html
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Unread postAuthor: Hubb » Tue Nov 13, 2007 11:37 pm

That would be it. Thanks.
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Unread postAuthor: trae08 » Tue Nov 13, 2007 11:40 pm

yup its a pretty unique setup, i remember the name i just had to find the thread.
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Marvin the Martian: Where's the kaboom? There was supposed to be an earth-shattering kaboom!

Marvin the Martian: The Earth? Oh, the Earth will be gone in just a few seconds.

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Unread postAuthor: limbeh » Sun Dec 30, 2007 11:29 pm

Hi,

Total newb here. Working on my first spudgun. I'm using almost the same design as TheTrooper, using almost the same components and having the same problem. In fact, the ball valve i got requires 2 people to go open it, not to mention anything about opening speed.

Would have gotten a sprinkler valve if i could, but sprinkler valves are practically nonexistent in my country (Singapore) so I'm stuck with this problem. Many other things here require licenses.

Can anyone here help me out and tell me how to make a ball valve spring loaded or make a pneumatic ram for it? (tried searching, no luck so far) Or would you guys recommend butterfly valves, since they're about the only other thing that is feasible in my area?

Thanks
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Unread postAuthor: trollhameran » Tue Jan 01, 2008 10:33 am

im currently bulding a cannon that will use a spring loaded ball valve, hopefully it will be finished some time today so i will post pics of my design when its done
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Unread postAuthor: Carlman » Tue Jan 01, 2008 10:36 am

just make sure you lube up the ball valve with lithium grease or similar to get those opening times up to scratch, i myself am spring loading one to compare with a sprinkler
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Unread postAuthor: trollhameran » Tue Jan 01, 2008 2:23 pm

mine is now finished except for the cosmetics soim just about to take pics and videos of the spring loading and then ill post them
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Unread postAuthor: trollhameran » Tue Jan 01, 2008 3:03 pm

http://www.spudfiles.com/forums/viewtopic,p,144995.html#144995
this is my cannon, theres videos and pics on there
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