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Marble cannon

A place to ask general spud cannon related questions.
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Marble cannon

Unread postAuthor: HighCommander4 » Tue Oct 31, 2006 9:15 pm

I have to build a marble cannon for a physics project and I am wondering what type of design should I choose? Springs? Maybe compressed air? Perhaps a catapult-like mechanism? (I'm not allowed to use fuels or explosives).

Any suggestions are greatly appreciated.
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Unread postAuthor: singularity » Tue Oct 31, 2006 9:19 pm

definately pnuematic (compresed air) heres some plans for a paintbal gun i stumbled across, just change the barrel size and your good to go!

<img src="http://i78.photobucket.com/albums/j85/irwinner_2006/img006.jpg">

side note: you do realize this is more or less a "gun" so you might want to check to make sureyou can bring it to school, and what are you studing, ballistix?
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be sure to check out my <a href="http://www.spudfiles.com/forums/ak-style-airsoft-vortex-gun-t10959.html">AK Styled Vortex Gun</a> and my <a href="http://www.spudfiles.com/forums/at-4-t9627.html">AT-4 Rocket</a>

upcoming projects... finalized clip fed BBMG and ball point pen sniper
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Unread postAuthor: Flying_Salt » Tue Oct 31, 2006 9:26 pm

So you were assigned to build a marble gun? I'd look around and ask around for a good design for a nice little pneumatic marble gun.
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Unread postAuthor: Brian the brain » Wed Nov 01, 2006 12:37 am

http://www.spudfiles.com/forums/viewtop ... c&start=0&

That will make an impression, trust me
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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: rna_duelers » Wed Nov 01, 2006 1:21 am

Haha putting tabs on yourself there BTB.Just go with a simple design with a ball valve and some fittings cheap and effective.
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