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500psi+ piston valve launcher and 6mm steel coaxial

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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Unread postAuthor: bigbob12345 » Sun Apr 20, 2008 7:44 am

The damage of the first one is just amzing for that chamber size, even at high pressure.

But both of them look really good :thumbright:
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Unread postAuthor: jrrdw » Sun Apr 20, 2008 7:52 am

Sorry for the confussion, newbie mod mistake, my fault! :oops:
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Unread postAuthor: Stephen Holliday » Sun Apr 20, 2008 8:34 am

where did you get the QEV valve from?
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Unread postAuthor: hyldgaard » Sun Apr 20, 2008 9:24 am

I ordered that qev from germany via ebay. Sorry for the short answer but i pay by the mb when online from my cellphone
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Proud and happy owner of a fridge compressor :D
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Unread postAuthor: Brian the brain » Sun Apr 20, 2008 9:39 am

And to think I almost skipped this thread!!

Very...VERY cool indeed!!
Love these launchers man! And I love the damage even more!

Great buckshot-shot (eehmm??) :D

You can order silencers for the QEV, wich might look a bit less "super soaker"
:D
JSR must be wetting his bed now hahaha
Both he and I are known to love HP..
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Unread postAuthor: hyldgaard » Sun Apr 20, 2008 12:18 pm

Brian the brain wrote:And to think I almost skipped this thread!!

Very...VERY cool indeed!!
Love these launchers man! And I love the damage even more!

Great buckshot-shot (eehmm??) :D

You can order silencers for the QEV, wich might look a bit less "super soaker"
:D
JSR must be wetting his bed now hahaha
Both he and I are known to love HP..


As i said earlier, I am addicted to HP as of now. When you get a fridge compressor its like a point of no return :D
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Unread postAuthor: hyldgaard » Sun Apr 20, 2008 12:44 pm

Sorry, i missed a few posts during the great confusion :D

VH_man wrote:WOW i have to build a high-pressure gun......... that is some IMPRESSIVE damage. hows the kick?

did you get to that pressure with just your fridge compressor? ive got to make meself one of those.......

Yes, pressure was made using fridge compressor only

jrrdw wrote:1) What ammo was you useing?
2) How far where you from the target?
3) Where is the fill valve?
4) What kind of fill valve are you using?
5) What is the piston made of?
6)Are we there yet??? :shock:


1, same ammo as the old cannon. 20g lead slugs and 11mm ball bearings encased in candlewax.
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2, The buckshot was from 14m, the wood was from 5m.
3, The fill valve is inside the handle, which is detachable.
4, the fill valve is a quick disconnect.
5, a piece of 18mm copper pipe filled with hot glue
6, dear god i hope so :roll:
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Unread postAuthor: Brian the brain » Sun Apr 20, 2008 1:01 pm

As i said earlier, I am addicted to HP as of now. When you get a fridge compressor its like a point of no return



Tell me about it!! :D

Those slugs and waxed up bb's look great!

Now I'll have to build me a .50 QEV longbarrel cannon....I have the leadballs for it..

Just so you guys know...I STILL PREFER SHORT CANNONS!!

I'll make it bullpup...
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Unread postAuthor: hyldgaard » Sun Apr 20, 2008 1:27 pm

Brian the brain wrote:
As i said earlier, I am addicted to HP as of now. When you get a fridge compressor its like a point of no return



Tell me about it!! :D

Those slugs and waxed up bb's look great!

Now I'll have to build me a .50 QEV longbarrel cannon....I have the leadballs for it..

Just so you guys know...I STILL PREFER SHORT CANNONS!!

I'll make it bullpup...

I am going to mount a very long barrel on the big one of these cannons, should give pleasing results :twisted:
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Unread postAuthor: jackssmirkingrevenge » Mon Apr 21, 2008 12:55 am

Brian the brain wrote:JSR must be wetting his bed now hahaha


I could barely sleep ;p

I really, *really* need to get me a fridge compressor - we have a fridge in the lab we might be throwing out, I'll be sure to call dibs on it :D

I don't think I'd make a single shot launcher though, lving in an urban area means that I've already reached the practical limit of what can be fired in a small back garden. What's high on the agenda is a cloud design conceptually similar to yours, one day...
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Unread postAuthor: hyldgaard » Mon Apr 21, 2008 2:06 am

jackssmirkingrevenge wrote:.....
I don't think I'd make a single shot launcher though, living in an urban area means that I've already reached the practical limit of what can be fired in a small back garden. What's high on the agenda is a cloud design conceptually similar to yours, one day...

That would also be my next goal, as the large one of these is well over the practical limit of what can be fired in a small garden without trouble heading my way :roll:
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Unread postAuthor: TwitchTheAussie » Mon Apr 21, 2008 2:21 am

God bless the backyard of rural australia. I like it dude. Its hot. Nice work.
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spudgunning is like sex, once you've tasted, you can't wait til next time.
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Unread postAuthor: Carlman » Mon Apr 21, 2008 6:15 am

TwitchTheAussie wrote:God bless the backyard of rural australia. I like it dude. Its hot. Nice work.


woot, a year till i move out to the outback :D

cant wait :)
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Aussie spudders unite!!
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Unread postAuthor: hyldgaard » Mon Apr 21, 2008 7:34 am

Carlman wrote:
TwitchTheAussie wrote:God bless the backyard of rural australia. I like it dude. Its hot. Nice work.


woot, a year till i move out to the outback :D

cant wait :)


Wish it was me.. unfortunately im moving to a larger city this summer because of my education, so spudding will probably be limited to indoor shooting :?
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Unread postAuthor: biggsauce » Mon Apr 21, 2008 8:30 am

C'est tres bon! Any chance of a chronograph reading?
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