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The HHQEV

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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The HHQEV

Unread postAuthor: Terrible » Thu Dec 22, 2005 9:48 am

this is my second cannon i built. as you can see its just that (Hand Held Quick Exhaust Valve) with some assorted pipe fittings and an old 9 0z co2 paintball tank.

I have 2 barrels 1 is 1/2 inch x 44 copper pipe for AA batteries and a 3/4 x 30 for mini potatoe slugs
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Unread postAuthor: Cronic » Thu Dec 22, 2005 3:25 pm

Nice gun indeed but I have one question. Is that a sprinkler valve because it looks like it from this angle. Simple and great.
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Unread postAuthor: Terrible » Thu Dec 22, 2005 4:16 pm

Thanks... no its a 3/4 Quick Exhaust Valve works great!!! I know the valve is rated for 125psi has anyone pushed it passed that without any problems?
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Unread postAuthor: beebs111 » Thu Dec 22, 2005 6:28 pm

i believe it is rated to 150 if it is deltrol, and if it is i wouldnt push it past that. i think 150 is the safe # for these kinds of valves. try largening ur chamber for better performance
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Unread postAuthor: drac » Thu Dec 22, 2005 8:47 pm

i've taken my QEV cannon past 200 using a compressor at a friend's dad's shop. No problem at all, but I wouldn't recommend it.

Very nice gun, and i like the stock.
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Unread postAuthor: Terrible » Thu Dec 22, 2005 10:18 pm

Thanks for the info i use my 4500psi paintball air system regulated down to about 150psi for refills and i have a scuba tank to fill that.I dont have a compressor no room :(
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