Is this design possible?

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.

Is this gonna work or am I dumb?

This is dumb why are you even asking...
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50%
It may work, cut and burn yourself a few times to work it out...
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Yeah, this guy may be on to somthing...
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Yeah, this guy may be on to somthing...
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No votes
 
Total votes: 2
Dr.Doom
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Thu Oct 19, 2006 10:06 am

Well I was thinking last night of Pnematic guns and compactability, would a design in which the air tank was a sheath around the barrel be possible? say if a coil was wrapped around saving space and keeping power. kinda like this:
Image
And if not this, maybe an all metal with the tank actually welded to the barrel with a tube connecting externally to the barrel.
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POS
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Thu Oct 19, 2006 12:09 pm

I dont think this can be a powerfull gun. The chamber is way to small fot the barrel, and way to long and thin. Not a good airflow I guess.

Why not make a Coaxal gun instead ?

BTW, I like the drawing.
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Hotwired
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Thu Oct 19, 2006 12:12 pm

Thats a long way for the air to go to just get to the valve...

Not a very efficient design methinks. It'll work of course but there are better chamber designs.
Dr.Doom
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Thu Oct 19, 2006 12:26 pm

POS wrote:I dont think this can be a powerfull gun. The chamber is way to small fot the barrel, and way to long and thin. Not a good airflow I guess.

Why not make a Coaxal gun instead ?

BTW, I like the drawing.
I like my design but the more I think about it the more I think that the pressure won't release quick enough, kind of like a balloon slowly deflating instead of poping.

I'm kinda new to Pneumatics so I'm not really sure what a coaxal gun is...
I'm just trying to think of the most compact design I can possibly create without major loss of power.

while I'm at it, what exactly does the sprinkler do on pneumatics?
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POS
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Thu Oct 19, 2006 1:37 pm

The sprinkler valve is a valve that opens very quickly. It gets triggered by a blowgun, a ball valve or some by electricity.

They are easy to mount and use, although you should mod them. I prefere a piston valve. Not so easy to make, but cheap, en best performance.

A coax pneumatic gun, is a gun with wich the cmaber is constructed arount the barrel. The barrel goes trough the chamber. Look at spudwikifor more details. I learned a lot from that there.

This is a coaxal gun :
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Dr.Doom
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Thu Oct 19, 2006 1:47 pm

Thanks, yeah shortly after posting I read the wiki and now I feel dumb, prolly shoulda read that first...
So basically a coaxal is what I was going for there, hmm... I'll do some research.
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POS
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Thu Oct 19, 2006 2:00 pm

May I recommand a over/under as a first gun. I myself made one out of galve steal. The design however wasn't that good, so I made a bether one. You can find it in the pneumatic showoff section, titled MB2. I have made a dual chamber there. Looks pretty nice. It fires like hell at 130 psi, and I am looking for a pump to get it up to 250 psi.

Right now it shoots 25 mm marbles trough a 30 mm wooden plate at a distance of 40 yards.
Dr.Doom
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Thu Oct 19, 2006 2:19 pm

Yeah further thought makes me think, I should think simple for my first pneumatic, I did the same thing with my first combustion, I wanted to go all out, until I started building it then realizing, I'd never done this before, so I simplified and it turned out great (for a first at least)
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frankrede
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Thu Oct 19, 2006 7:59 pm

hey man the gun looks good but it wouldn't work well.
Heres a site that has some plans for potato guns of the pneumatic variety.
members.aol.com/sph911
Welcome to spudfiles:D
Current project: Afghanistan deployment
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POS
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Fri Oct 20, 2006 5:57 am

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