qev copper cannon

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.
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cool or not?

cool
10
91%
crap
1
9%
 
Total votes: 11
leeeeshad
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Thu Mar 01, 2007 1:13 pm

my new copper qev cannon 99cm barrel, 76cm chamber, 3/4 qev (that and the 22mm to 3/4 bsp's from cornish) all 22mm ballvalve piloted with the idea of how to pilot it taken from jim/lsd's shotgun and will shot 150 pages into an argos catalog at 100psi


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Last edited by leeeeshad on Thu Apr 05, 2007 10:40 am, edited 2 times in total.
chubster wrote:how do you saw the head off the nail?
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imablackskater
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Thu Mar 01, 2007 1:50 pm

very nice very sleek i allways love a good copper gun
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noname
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Thu Mar 01, 2007 6:36 pm

Nice gun, but how does it shoot? The pilot leads to a dead end, as far as I can see.
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Hotwired
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Thu Mar 01, 2007 8:50 pm

If you get a pair of tweezers or a valve tool you can reach inside a schrader valve and unscrew the poppet valve.

What you're left with is essentially a tube and if you close the ballvalve before releasing the pump head the trigger port air is trapped.

Good stuff Leeshad :D
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noname
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Thu Mar 01, 2007 9:42 pm

Really? Hmm, I might have to see how that works sometime. So it's basically a shrader, but not one way, so it's like a quick connect in the form of a schrader valve, am I right?
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Hotwired
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Thu Mar 01, 2007 9:57 pm

Its just a hollow tube that can be connected to a pump once you've taken the valve bit out, I'm not entirely sure about quick connects (don't they have something to seal the end when its released?).
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noname
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Thu Mar 01, 2007 10:35 pm

OK, I thought so.
A male quick connect is just a hollow tube machined to fit inside female quick connects, which are sealed.
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mark.f
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Fri Mar 02, 2007 6:36 am

Great job leeeeshad. What pressures do you normally use this at? I use one of my marble guns, (1/2" QEV into a 1/2" type M copper barrel), routinely at 150 PSI and it almost sounds like a gunshot.

BTW, are you in any way related to the joannaardway of these forums? She said she had a brother who made a copper gun with compression fittings like that quite some time ago...
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joannaardway
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Fri Mar 02, 2007 10:07 am

No - leeshad isn't my brother.

My brother goes by many internet names, but the one that you're most likely to see is Ragnarok.

He hasn't built any cannons for a while, but you'll know about it when he builds the next one. It'll be (if he sticks to his designs) reasonably impressive.
Novacastrian: How about use whatever the heck you can get your hands on?
frankrede: Well then I guess it won't matter when you decide to drink bleach because your out of kool-aid.
...I'm sorry, but that made my year.
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leeeeshad
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Sun Mar 04, 2007 3:09 pm

no , no relation, i use it at abought 110psi because thats as high as my pump goes, yer sounds like a gunshot so i need a silencer to use it in the garden, joannaardway, are you coming back onto uksgc?
chubster wrote:how do you saw the head off the nail?
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frankrede
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Sun Mar 04, 2007 5:00 pm

Joannaardway is a girl?
If so thats awesome.

Btw, nice cannon
Current project: Afghanistan deployment
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joannaardway
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Mon Mar 05, 2007 4:28 am

I would have thought it had been fairly obvious!

Yes, I am one of the few of those rare female spudders.
Novacastrian: How about use whatever the heck you can get your hands on?
frankrede: Well then I guess it won't matter when you decide to drink bleach because your out of kool-aid.
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WOW!!
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Mon Mar 05, 2007 6:14 am

joannaardway wrote:I would have thought it had been fairly obvious!

Yes, I am one of the few of those rare female spudders.
Wow thats like 1-100,000


Anyways sweet cannon, looks really good, got a video?!
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mark.f
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Mon Mar 05, 2007 6:47 am

frankrede wrote: Joannaardway is a girl?
Gosh you're probably tired of answering that! :P That's, what, how many times I've heard that?

An innocent mistake, though, seeing as I can't find a legitimate reason for a forum member searching for another one's gender. :shock:
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leeeeshad
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Mon Mar 05, 2007 6:53 am

theres a video and damage pics here, http://www.uksgc.co.uk/forums/index.php ... entry13555
chubster wrote:how do you saw the head off the nail?
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