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| PCGUY |
 Posted: 02/05/2005 12:41 PM Post subject: The Punisher |
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Evil Admin
Joined: 18 Aug 2004
Posts: 1235
4409.82 Spud Bux
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THE PUNISHER
Provided By FoxxLord - http://www.geocities.com/cain333_2000/
Here's my latest cannon I built over the weekend, The Punisher. It's a coax design with the most simple diaphragm design I could find. The gun is about 17" without the sprinkler exhaust valve. I haven't put any goodies on it yet because I haven't decided weather to mod the sprinkler valve with a blowgun or just go with a small electric push button trigger. Here's some photos:
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This poorly taken photo was supposed to be a shameless plug for the Rubbermaid company! I cut the diaphragm from a Tupperware lid. I didn't need to drill the hole at the top but I wanted to make sure air would pass through and it does.
Yesterday I cut a 1/8" neoprene rubber disc and used it in place of the Rubbermaid disc. The noise level was reduced a little and the neoprene has more flex so I get more power per shot. |
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| Here's a picture just to let you get a good idea of the size of the weapon. I wanted it small and hand held so this is what I came up with. I use those foam practice golf balls as primary ammo. |
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| Another shot of the assembled gun. I used a 3" Wye fitting and just built around it until I got what I was looking for. About 5 stomps on my foot pump gets it up to 20psi, gotta love that about small chambers. |
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| The Punisher broken down. Did I mention it's simple? Just a clean out plug and diaphragm! The clean out plug has a 3/4" steel nipple (hehe) threaded into it along with a regular Schrader valve. That's not the configuration I hoped for, but space is at a premium at the back of the gun, and it still works. |
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Last edited by PCGUY on 04/19/2006 17:14 PM; edited 1 time in total |
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| deathtodeer666 |
| Posted: 09/07/2005 18:01 PM Post subject: |
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Staff Sergeant
Joined: 02 Sep 2005
Posts: 126
273.02 Spud Bux
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very simple and inexpensive design, how do u trigger the sprinkler valve
edit: thanks
Last edited by deathtodeer666 on 10/02/2005 15:42 PM; edited 1 time in total |
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| spudshot |
| Posted: 09/07/2005 18:51 PM Post subject: |
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Brigadier General
Joined: 03 Oct 2004
Posts: 1044
41304.56 Spud Bux
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i edited your post, you post a pic by uploading it to the internet, PCguy has an uploader on this site actually, then you post the URL with the image tags
he actuates the valve by electricity
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| cyber master |
| Posted: 10/16/2005 18:46 PM Post subject: |
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Private
Joined: 26 Sep 2005
Posts: 6
29.24 Spud Bux
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cool name, cool hand cannon!!!!   i'm thinking of making one myself. of course in my own style.
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| saladtossser |
| Posted: 10/16/2005 18:59 PM Post subject: |
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SpudZilla
Joined: 26 Mar 2005
Posts: 1237
98.19 Spud Bux
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| always wondered y foxxlord loves mini coaxials
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| Andrew52 |
| Posted: 03/28/2006 22:34 PM Post subject: |
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Sergeant Major
Joined: 26 Feb 2006
Posts: 196
41.40 Spud Bux
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| how stiff do the disk things have to be
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| unhipjuffowupp |
| Posted: 04/12/2006 18:01 PM Post subject: |
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Private
Joined: 20 Sep 2005
Posts: 20
66.68 Spud Bux
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i tried to maek this.. but the cleanout plug WILL NOT stop leaking air. I can pump it and fire it... but if you dont fire it withing a good minute... all the PSI will be gone. 
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| Shrimphead |
| Posted: 04/12/2006 18:17 PM Post subject: |
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Colonel
Joined: 17 Nov 2005
Posts: 514
667.65 Spud Bux
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| Did you wrap teflon tape around the threads?
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| sam_516 |
| Posted: 04/17/2006 20:26 PM Post subject: |
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Specialist
Joined: 06 Apr 2006
Posts: 52
69.85 Spud Bux
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***PUFF***
controlled insanity=genius
uncontrolabel insanity=miss-understood genius
      
miss-understood genius= me and rna_duler
we are making a 10x hybrid out of 2 and a 1/2 inch thick steel pipe
but we will be under ground when we let it off
when we complete this monstosaphy we will put it on the net with movie and pics
go to www.myspace.com/i_am_the_originaL_sam
kk well nice cannon i have a miniture one of them but still powerfull
NOTE FROM PIMPMANN22:
Stop posting these myspace banners! Your never going to get 10X with propane, so I hope you were planning on another fuel...
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| Rambo |
| Posted: 04/17/2006 23:12 PM Post subject: |
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Colonel
Joined: 15 Jan 2006
Posts: 509
775.50 Spud Bux
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| Are you trying to say that the propane won't be gas any more?What's the presure in the propane tanks?
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| boilingleadbath |
| Posted: 04/18/2006 2:04 AM Post subject: |
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Moderator
Joined: 12 Mar 2005
Posts: 1647
5491.22 Spud Bux
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Propane tank pressure is ~90-100 psi at room temp.
Of course, this being a steel gun, it wouldn't be too hard to heat the gun so the vapor pressure of propane was >10 atm. (less than an aditional 50*C, I would expect, although I'm not looking it up at this time of day)
...and all 3 of these posts really should be moved somewhere.
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| pvc |
| Posted: 06/05/2006 9:38 AM Post subject: |
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Private
Joined: 30 Apr 2006
Posts: 21
65.19 Spud Bux
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| nice and inexpinsive. im curentaly working on a sniper dish shooter so if u have any ideas please pr me. i have a 150 psi propane tank and it is extremaly small, but fits lots of propane.
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| )DEMON( |
| Posted: 06/05/2006 10:16 AM Post subject: |
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Air head
Joined: 12 Mar 2006
Posts: 1392
5185.24 Spud Bux
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PostPosted: 04/18/2006 1:04 AM
do more research!
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| sgort87 |
| Posted: 06/06/2006 10:01 AM Post subject: |
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The Gort
Joined: 18 Sep 2005
Posts: 869
924.49 Spud Bux
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| Propane turns to a liquid long before 150 psi. So adding any extra pressure to make it 150 is not at all a lot of propane. MAYBE one shot but that's it.
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| Bluetooth |
| Posted: 08/13/2006 13:59 PM Post subject: |
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Brigadier General
Joined: 27 Jun 2006
Posts: 828
34.79 Spud Bux
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| is that white disk the piston? Sorry about the noob question im new to piston valves.
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