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My first "spud gun"

Built a miniature 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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My first "spud gun"

Unread postAuthor: Proxywars » Sun Jan 15, 2012 3:12 am

Here's my gun. It fires bb's, spitballs, and food =). Very ghetto =p. I'ma get my fish food can as it is a big container that's fits in my hand so I will scrap this container and use the fish food one =). My gun shoots around 50fps at peak which is very rare. How can I up the fps and measure fuel? As you can see I am a Taekwondo competitor by my sparring gear =p
[youtube]http://www.youtube.com/watch?v=wo4X1ty-tsM[/youtube]
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Unread postAuthor: jrrdw » Sun Jan 15, 2012 7:07 am

Try looking up "fuel meters" something from Jackssmirkingrevenge.

You've got a start and now your hooked, don't fight it, just research and build, improvement will come naturally.
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Unread postAuthor: evanmcorleytv » Sun Jan 15, 2012 10:17 am

jrrdw wrote:Try looking up "fuel meters" something from Jackssmirkingrevenge.

You've got a start and now your hooked, don't fight it, just research and build, improvement will come naturally.


Exactly what he said. My first "cannon" was JUST like that. But I was hooked, and I even knew more about them BEFORE I built that little one.. I just built it for fun, and then a few months later, I made a pneumatic rifle, all from watching youtube videos. You'll get better!!
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Unread postAuthor: Proxywars » Sun Jan 15, 2012 1:22 pm

Thanx guys. I am hooked. :shock:
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Unread postAuthor: Proxywars » Sun Jan 15, 2012 5:21 pm

Wat can I use as a chamber for more powa?
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Unread postAuthor: Gun Freak » Sun Jan 15, 2012 6:22 pm

More pressure...
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Unread postAuthor: daniel0663 » Sun Jan 15, 2012 6:34 pm

Wat can I use as a chamber for more powa?


Scrap the one you have (bin it)
Get a decent sized chamber (60ml+)
Get a syringe
can of butane
long barrel
and some plastic bags for burst disks.

..... :roll:
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Unread postAuthor: Proxywars » Sun Jan 15, 2012 6:58 pm

daniel0663 wrote:
Wat can I use as a chamber for more powa?


Scrap the one you have (bin it)
Get a decent sized chamber (60ml+)
Get a syringe
can of butane
long barrel
and some plastic bags for burst disks.

..... :roll:


Alright. sounds good.... My mom's a nurse i'll ask her to smuggle me a dirty needle.(jk about the dirty needle). Thanks. I should have it done tomarrow or somtin. Get ready for a new vid haha. BTW wat is a good chamber size if I dont want it incredibly huge.
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Unread postAuthor: pneumaticcannons » Sun Jan 15, 2012 11:06 pm

Get ready for a new vid haha. BTW wat is a good chamber size if I dont want it incredibly huge.

For airsoft, I found that less than 50 ml's yielded bad power. An airsoft combustion usually calls for a detent since the pressures generated when shooting a 1/4 gram airsoft pellet is laughable.
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Unread postAuthor: Proxywars » Mon Jan 16, 2012 12:01 am

pneumaticcannons wrote:
Get ready for a new vid haha. BTW wat is a good chamber size if I dont want it incredibly huge.

For airsoft, I found that less than 50 ml's yielded bad power. An airsoft combustion usually calls for a detent since the pressures generated when shooting a 1/4 gram airsoft pellet is laughable.


I shoot .25g as i go airsofting. Do you suggest any good chamber/barrel sizes?
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Unread postAuthor: jrrdw » Mon Jan 16, 2012 1:43 pm

.015" larger then your ammo.
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Unread postAuthor: Proxywars » Mon Jan 16, 2012 2:31 pm

I found out combustion guns are illegal here in cali I'll go work on my pneumatic pen gun.
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