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PSVR-2

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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PSVR-2

Unread postAuthor: PCGUY » Mon Jan 31, 2005 9:39 pm

<div align="center">PSVR 2

Provided By Gyroman79 - <a href="http://members.fortunecity.com/gyroman/">http://members.fortunecity.com/gyroman/</a>

Every source I could find on the Internet was telling me how much more powerful than a combustion gun a pneumatic gun can be. I have an air compressor, so I figured I'd give it a try. I only paid something like $20 for the CSVR-1 (and most of that was for the sparker). I think I figured I put over $100 into the PSVR-2. (That includes the two valves I ordered online that were never charged to my credit card. I love free stuff.) PSVR-2 was also immensely complex for only my second potato gun and my first pneumatic. However, I managed pretty well, and the only problem I had was a leak between a threaded PVC fitting and a metal nipple. I haven't been able to fix the leak completely, but it's now such a small leak that it's not a problem.

Here it is sitting on the floor of my room. My room contains a high level of entropy.

Provided By Gyroman79 - <a href="http://members.fortunecity.com/gyroman/">http://members.fortunecity.com/gyroman/</a></div>
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Attachments
PSVR-2_breech.jpg
At the time I built this monster, the only way I knew of to trigger the valves was to rig up an electrical system. Mounted in the handle in the front is a toggle switch (safety), a momentary pushbutton (trigger), and inside are three 9 volt batteries wired in series to make 27 volts. The valves are designed to run on 24 volts.

This gun is currently out of commission, because I am converting the triggering system from electrical to pneumatic. This will not only simplify it (no need to worry about dead batteries), but it should boost performance.

Specs

barrel diameter: 1.5&quot;
barrel length: ~84&quot; (7')
chamber diameter: 3&quot;
chamber length: ~38&quot;
C:B ratio: ~2.07:1
special features: two 1&quot; electronically triggered sprinkler valves, special breech loading chamber
PSVR-2_breech.jpg (12.59 KiB) Viewed 4831 times
PSVR-2_vertical.jpg
The thing I'm most proud of on this gun is the breech loading chamber. When I thought up the idea for how to do it, I'd never seen it done anywhere else. Even now, I've only seen it done on one combustion gun. It works, but it has its faults.
PSVR-2_vertical.jpg (15.23 KiB) Viewed 4831 times
PSVR-2_.jpg
This picture should give a better sense of scale.
Last edited by PCGUY on Mon May 15, 2006 3:04 pm, edited 1 time in total.
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Unread postAuthor: syco kilaa » Wed Feb 02, 2005 3:58 pm

I like the overall look of it but I think that the breech style loading through the cross on the back constricks the air flow like a mofo
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Unread postAuthor: theexp » Wed Feb 02, 2005 8:16 pm

Are those sprinklers Pnuematicaly operated, if not you should make them. lol

I like how the gun looks, but the breech does constrict flow alot.

How do you shoot that monster, Bipod, ground, HOlding?
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My website www.freewebs.com/potato_cannon/
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Unread postAuthor: drac » Mon Jun 20, 2005 3:36 am

WARNING! WARNING! Don't post bullsh*t posts or the mods will come down on you like hewaenly thunder.
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Unread postAuthor: Tommy_TreeTop » Mon Jun 20, 2005 6:52 am

Nice cannon design in general. You should add some paint to it when you get the chance.
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Unread postAuthor: spudshot » Mon Jun 20, 2005 7:55 am

drac wrote:WARNING! WARNING! Don't post bullsh*t posts or the mods will come down on you like hewaenly thunder.


will do, oh person with the fat cat who shits too much :P
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Unread postAuthor: drac » Mon Jun 20, 2005 4:32 pm

Don't drag my cat into this! :evil: It's not his fault that he has the perpetual runs.

I'm so misunderstood... :cry:
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Unread postAuthor: Alder » Wed Jul 13, 2005 10:18 am

it looks like it's shoulder fired cool idea how bad is it for kick do you guys think it would be also does and one thuink that a cannon of that size is just a little impractical to be shoulder fired or is it just me realy nice looking cannon thouch i have to say
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Unread postAuthor: pvc » Sat Jul 29, 2006 10:09 pm

how bad of a recoil does it have
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Unread postAuthor: ProfessorAmadeus » Sat Jul 29, 2006 10:14 pm

wow nice job on kicking up this topic. Lets give him all a round of applause fro being so very special.
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Unread postAuthor: M3NT4L » Sat Jul 29, 2006 11:09 pm

APLAUSE************************
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Unread postAuthor: CS » Sun Jul 30, 2006 5:36 am

F*CK!!!

How many times have you all been told not to reply to kickers and rather PM a mod?!!! Damn... Seriously you guys have like a straight line for your learning curve.
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Unread postAuthor: frankrede » Fri Aug 04, 2006 1:13 am

theexp wrote:Are those sprinklers Pnuematicaly operated, if not you should make them. lol

I like how the gun looks, but the breech does constrict flow alot.

How do you shoot that monster, Bipod, ground, HOlding?

Read the descrip[tion dumba$$
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Unread postAuthor: hgeral618845 » Tue Mar 13, 2007 6:59 pm

hea hea coulda add the thing is bulky
and oh wow!!! perpetual runs :roll:
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dang i love it Dont we all ***clap***
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Unread postAuthor: pyromaniac » Tue Mar 13, 2007 8:18 pm

dude this was last posted about 7 monthes ago! dont post on old topics just to say its bulky!
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