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SG-Vengeance Golfball Gun

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: pm » Sun Nov 25, 2007 3:35 pm

nice paint job simple but effective
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Unread postAuthor: MrCrowley » Mon Nov 26, 2007 2:48 am

Update:

New video of multiple damage shots:
[youtube]http://www.youtube.com/watch?v=O5-y2j4iAKQ[/youtube]
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Unread postAuthor: jackssmirkingrevenge » Mon Nov 26, 2007 2:54 am

Nice ones :D and you've done your bit for global warming too by eliminating a good portion of the world's oil reserves - not to mention recycling old solenoids hehe

75 psi is a bit of an insult though, you could easily push double that with a bike stirrup pump, and since pressure is directly proportional to the force on the projectile... :D
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Unread postAuthor: Novacastrian » Mon Nov 26, 2007 3:15 am

Have you noticed: Through the video at exactly 23sec there is a wooden shark head?
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Unread postAuthor: MrCrowley » Mon Nov 26, 2007 3:18 am

Well I did what George Bush couldn't do in 4years, in about 5minutes :D

Yeah though it's not practical in my backyard with those pressures.
It'd be a [female doggy] with my $5 Wal*Mart pump as well, which leaks at 120psi.

Also after i've had 260psi rated pipe blow at 110psi, i'm scared enough at 90psi.

Novacastrian wrote:Have you noticed: Through the video at exactly 23sec there is a wooden shark head?


Haha you're right! :shock:
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Unread postAuthor: Novacastrian » Mon Nov 26, 2007 3:35 am

Then, halfway through the same second, there is a look of surprise by an un-known dude?

Edit: Yes i am drinking, however there is no such rules against said actions!
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Unread postAuthor: Ragnarok » Mon Nov 26, 2007 9:49 am

And here we can see an example of the devastation that drinking and posting causes. Remember, don't drink and post, it ruins... something.

Interesting, but I'd like to see more pressure as well. Still, I can understand if you're not confident with that...

...More power!!!
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Does that thing kinda look like a big cat to you?
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Unread postAuthor: jackssmirkingrevenge » Mon Nov 26, 2007 10:17 am

Ragnarok wrote:...More power!!!


see what happens when you hang out with yanks :shock: :D
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Unread postAuthor: paaiyan » Mon Nov 26, 2007 10:23 am

jackssmirkingrevenge wrote:
Ragnarok wrote:...More power!!!


see what happens when you hang out with yanks :shock: :D


Now Jack. I thought everyone liked more power. I like the gun though, looks good. Was that .5" plywood in the vid?
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Unread postAuthor: jackssmirkingrevenge » Mon Nov 26, 2007 10:37 am

of course, I suggested the same :D
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Unread postAuthor: Ragnarok » Mon Nov 26, 2007 10:46 am

It may be a mentality from America, but I do it with world famous British engineering principles... "belt it wit' a 'ammer", as the late Fred Dibnah said - He said a lot of great things, but usually "Did yer like that?!" after creating a huge cloud of steam from some replica steam engine that wasn't meant to go that fast.

Mechanics/engineers from 'oop North say a lot of good things - there's a Scottish engineer who described medical engineering (artificial limbs and such) as "Rebuilding the soft bits of people with big 'eavy spanners".
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Unread postAuthor: octane89 » Mon Nov 26, 2007 1:23 pm

Nice and simple...
I have a question on where did you get that reducer from the chamber to the sprinkler. I'm not talking about the one the connects to the sprinkler but the larger one.
I just am having trouble buying pvc that large and pressure rated. And I rather not make another pvc bushing...
thanks
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Unread postAuthor: MrCrowley » Mon Nov 26, 2007 2:28 pm

paaiyan wrote:Was that .5" plywood in the vid?


It was 3/4".

octane89 wrote:Nice and simple...
I have a question on where did you get that reducer from the chamber to the sprinkler. I'm not talking about the one the connects to the sprinkler but the larger one.
I just am having trouble buying pvc that large and pressure rated. And I rather not make another pvc bushing...
thanks


The 4"x2" bushing was bought of McMaster while I was vacationing in America, it cost like $10-$15 I can't remember.
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Unread postAuthor: octane89 » Mon Nov 26, 2007 4:19 pm

Edit-ok, I was mis-reading the astm rating on the McMaster site.
Thanks
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Unread postAuthor: MrCrowley » Mon Nov 26, 2007 4:24 pm

Well you must be then :P

It's there somewhere just look harder :wink:
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