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pipe sizing

Post questions and info about hybrid (compressed gas with fuel) powered cannons here. This includes discussion about fuels, ratios, ignition systems, build types, safety, and anything else relevant.
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pipe sizing

Unread postAuthor: shiftyguy » Wed Apr 23, 2008 1:33 pm

I am mid way threw fabricating my chamber it will be 16" x 3" and the pipe will be 3/16" thick pipe wall.

I am planning on going as high as 6x.

Anyone see any problems?
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Chickens should not load your spud gun!
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Unread postAuthor: Brian the brain » Wed Apr 23, 2008 1:35 pm

Ah...but is it pressure rated material??
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Unread postAuthor: Sticky_Tape » Wed Apr 23, 2008 1:48 pm

Brian the brain wrote:Ah...but is it pressure rated material??

Ah, but is that annoying?
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: Brian the brain » Wed Apr 23, 2008 1:55 pm

Ah...it might be :D

Wall thickness doesn;t mean a thing, especially in a hybrid.

Shrapnell to the face or genitals,...that's annoying
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Unread postAuthor: Sticky_Tape » Wed Apr 23, 2008 2:00 pm

Brian the brain wrote:Ah...it might be :D

Wall thickness doesn;t mean a thing, especially in a hybrid.

Shrapnell to the face or genitals,...that's annoying


But wall diameter does matter what would you pick 1cm thickness or 1 inch thickness? I think I would like to have the one inch please :roll:
Wear a cup :)
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Re: pipe sizing

Unread postAuthor: Ragnarok » Wed Apr 23, 2008 2:05 pm

shiftyguy wrote:Anyone see any problems?

Possibly - Is this chamber made of steel, PVC, Jell-O, copper, wood, blancmange, tungsten carbide, carbon fibre, re-enforced concrete, woven reeds?

If you're using Jell-O, blancmange, wood or woven reeds, you've got a big problem on your hands, although the first two might make for either dessert or an amusing youtube video.

If it's PVC or concrete, I would also avoid it, but remote fire might be acceptable.

If it's made of a suitable metal, then I can't foresee a problem.
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Does that thing kinda look like a big cat to you?
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Unread postAuthor: shiftyguy » Wed Apr 23, 2008 2:11 pm

Yes it is made of metal... Sorry to forget that fact.
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Unread postAuthor: Eddbot » Thu Apr 24, 2008 1:20 am

really guys, a metal pipe was implied, who measures woven reeds in fractions of an inch, you only measure those in metric :D
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