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Latest addition to my High pressure launchers

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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Latest addition to my High pressure launchers

Unread postAuthor: Orpackrat » Mon Jan 07, 2008 3:48 am

Image

Operates on Unregulated Co2
3/4" chamber charging valve
1" Firing Valve
Mainly constructed of Galvanized Steel Pipe
Twist and pull barrel release for breach loading
2' barrel
Built for use as high power nerf and paintball grenade launcher or morter
Can operate on Co2 or HPA
Can take tank sizes up to 24oz Co2
Can be operated with a remote line
Can be easily modified to operate on regulated air supply
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Unread postAuthor: jackssmirkingrevenge » Mon Jan 07, 2008 3:54 am

looking good, must have quite a range as a mortar.
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Unread postAuthor: Orpackrat » Mon Jan 07, 2008 3:59 am

Its not too bad, when I was still building it, just for the fun of it, I loaded a hacky sack without an air seal into a 10' section of pipe. With a slightly elevated barrel, that hacky sack reached a good 400 or so feet. It gets better distances with heavier projectiles and my projectile air seals.
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Unread postAuthor: Killjoy » Mon Jan 07, 2008 4:28 am

Looks nice, good paintjob and construction. A mortar-like stand would a cool addition
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Unread postAuthor: Orpackrat » Mon Jan 07, 2008 4:34 am

Killjoy wrote:Looks nice, good paintjob and construction. A mortar-like stand would a cool addition


Thanks, the reason I did not put a stand on it is for better portability. As it is, there is not stand to get in the way when carrying it into battle, can be held and fired easily, when using as a morter and the back section can sit on the ground and elevation controlled my holding the barrel. In my opinion, a stand would limit its mobility on the field.

I might make a stand for it later for use a larger games as a fixed morter but for now, it won't have one.
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Unread postAuthor: Maniac » Mon Jan 07, 2008 3:59 pm

i like it. Even though its for paintball and nerf could we see some damage pics. it sounds pretty powerful for a mortar.
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Unread postAuthor: Orpackrat » Mon Jan 07, 2008 9:46 pm

Maniac wrote:i like it. Even though its for paintball and nerf could we see some damage pics. it sounds pretty powerful for a mortar.


What would be a good size of a barrel to put on it and what kind of projectile for some good damage pictures.
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Unread postAuthor: jackssmirkingrevenge » Mon Jan 07, 2008 11:46 pm

A long 3/4" barrel for marbles should yield some impressive velocities and penetration ;)
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Unread postAuthor: Hubb » Tue Jan 08, 2008 6:28 am

I like it, although it looks like it may be a little heavy at times (during games and such). I can't tell, but is that a drop forward on the launcher? If so, nice touch.

What pressure are you running it at?
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Unread postAuthor: Orpackrat » Tue Jan 08, 2008 8:38 am

hubb017 wrote:I like it, although it looks like it may be a little heavy at times (during games and such). I can't tell, but is that a drop forward on the launcher? If so, nice touch.

What pressure are you running it at?


A little heavy but not too bad. For me, its not too much more considering my normal load into a game is about 50lbs.

Its not a drop forward but 2 universal ASA bolted together (locking nuts holding them apart). I would have like to have used a drop forward but the drop was not enough to use the larger 20oz Co2 tanks.

Depending on the temperature outside, it operates between 400 and 800 PSI. Even if its a hot day, for the size of the expansion chamber, its chilled when filled and the average shot is fired at 600 PSI.
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