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| Sticky_Tape |
Posted: 05/04/2008 14:04 PM Post subject: |
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 Colonel

Joined: 31 Jan 2008 Posts: 549 651.98 Spud Bux
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That's somthing I thought after looking at the post the second time I don't use that much I'm not easily excited.
!!!!!!!!!!! FREAK OUT FREAK OUT FREAK OUT I DON'T THINK IT IS RATED TO THAT MUCH PRESSURE FREAK OUT FREAK OUT FREAK OUT!!!!!!!!!!!!!!!!
Sorry I needed to do that.
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| Lentamentalisk |
Posted: 05/04/2008 14:46 PM Post subject: |
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 Resident Tinkerer

Joined: 07 Aug 2007 Posts: 614 209.68 Spud Bux
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| CAPSLOCK spam? Could you at least pretend to not be 13 years old?
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| POLAND_SPUD |
Posted: 05/04/2008 15:13 PM Post subject: |
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Colonel

Joined: 13 Oct 2007 Posts: 624 1459.93 Spud Bux
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ekhm... most QEVs are rated to 10 bar... AFAIK that one is rated to 10bar... I've used 1/2" QEV at similar pressures without any problems - no one says it is 100% safe to do. if you do it you do it at your own risk
since his QEV is 3/8" we may assume it can take more than 1/2" one
Last edited by POLAND_SPUD on 05/04/2008 17:11 PM; edited 1 time in total |
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| hyldgaard |
Posted: 05/04/2008 15:56 PM Post subject: |
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 Master Sergeant

Joined: 25 Sep 2007 Posts: 167 144.80 Spud Bux
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As POLAND_SPUD said, this qev is rated to 10bar. As this qev is the piston kind, it can take a lot more pressure than the diaphram kind, and im not afraid to go a bit over the rating. To be honest, after i put that qev on for piloting, i have only popped of a very few shots at full pressure, because that gun is f<cking loud now. at only 8 bar and above, hearing protection is needed
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| biged |
Posted: 05/05/2008 5:31 AM Post subject: |
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Private First Class

Joined: 09 Jun 2007 Posts: 28 128.40 Spud Bux
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If the QEV is only rated to 150psi and you exceed the rating to even 1,000 psi it will still not explode.
The seals would fail and it would leak violently. Metal is not as brittle as PVC.
@POLAND_SPUD, 120-150 psi. The bazooka is a piston gun piloted by a QEV, 2" piston, 1.5" porting. Before I triggered it via blowgun I tested it up to 260 psi with a ball valve. (Max pressure rating on hose is 290 psi.)
@Carlman, The top one is a M2hb .50 cal replica. It is a vortex block with "coffin" internals.
The block itself it a piece of 1.5" steel tubing.
(Block rotated sideways for picture. Shroud was also installed.)
///ed///
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| POLAND_SPUD |
Posted: 05/05/2008 10:38 AM Post subject: |
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Colonel

Joined: 13 Oct 2007 Posts: 624 1459.93 Spud Bux
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| just amazing... - plizz post more pics
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| base45 |
Posted: 05/07/2008 21:49 PM Post subject: |
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 Specialist

Joined: 26 Feb 2008 Posts: 55 115.30 Spud Bux
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Im too lazy to post so here are most of my cannons
hope you liked them
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| Ragnarok |
Posted: 05/08/2008 3:52 AM Post subject: |
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 I am Copperman

Joined: 19 Dec 2006 Posts: 1707 5227.13 Spud Bux
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| base45 |
Posted: 05/08/2008 9:31 AM Post subject: |
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 Specialist

Joined: 26 Feb 2008 Posts: 55 115.30 Spud Bux
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enough to make a secret compartment in it
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| starman |
Posted: 05/08/2008 9:43 AM Post subject: |
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 Big Daddio

Joined: 12 Dec 2007 Posts: 830 1279.20 Spud Bux
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| base45 wrote: | Im too lazy to post so here are most of my cannons
.........
hope you liked them  |
Those are some clean guns you have there base45. I especially like the breechloading rifle. You should enter that one in the showcase...maybe slap a paint job on there.
Nice work!
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| base45 |
Posted: 05/09/2008 3:21 AM Post subject: |
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 Specialist

Joined: 26 Feb 2008 Posts: 55 115.30 Spud Bux
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Oh well u no what since someone appreciates them i just might and im gonna get a airbrush in the mail this week so I'm gonna be painting all my cannons thanks starman[/quote]
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| RDX, |
Posted: 05/09/2008 8:02 AM Post subject: |
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 Corporal

Joined: 31 Mar 2007 Posts: 73 155.01 Spud Bux
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| willarddaniels |
Posted: 05/11/2008 15:37 PM Post subject: |
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 1st Lieutenant

Joined: 31 Jan 2007 Posts: 271 540.60 Spud Bux
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My 7 yr old wants to build a rocket, so we researched that a bit and started making some plans for a single stage, solid fuel rocket. He was disappointed that we were not going to build it this weekend so I showed him some youtube videos... still not satisfied, I made this simple pray-n-spray, my first. He was, at last, satisfied for this weekend.
Sorry for the grainy pic, the digital camera developed problems this weekend, it needs to be replaced.
Simple: hard cardboard roll that contained some posters that were sent UPS for the chamber and barrel. Screwdriver pushed through pre-drilled holes to act as an ammo stop and in effect, make the separation between chamber and barrel. The ammo is a ball from a ball pit that we have all over the house thanks to my youngest, Zed. Fuel: I first used nail polish remover and it worked okay, but was not very consistent... it is a spray-n-pray after all. I then grabbed my 1 lb propane tank and gave it a few seconds of mixed air/propane for a sure fire each time. Ignition: bbq lighter lit then inserted in hole near end of chamber.
I only got a few real loud booms, but the kids were greatly impressed anyway- it was something they could hold and manage with only minimal adult supervision.
| Description: |
| cardboard spray-n-pray for the kids |
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| STHORNE |
Posted: 05/11/2008 15:45 PM Post subject: |
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 Master of Spuds

Joined: 14 Feb 2007 Posts: 1160 475.04 Spud Bux
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| RDX, that first shotgun is awesome!!! You should definitely take more pics and post it in the showcase.
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| POLAND_SPUD |
Posted: 05/11/2008 16:01 PM Post subject: |
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Colonel

Joined: 13 Oct 2007 Posts: 624 1459.93 Spud Bux
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| RDX your supercharged looks awsome... why don't you post it
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