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my first combustion

Built a combustion 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 combustion

Unread postAuthor: zach12 » Sun Nov 09, 2008 4:32 pm

hey,
Finally!!! My first combustion. Pretty plain and simple. A pezio grill sparker. A ghetto chamber fan :wink: (made from a 9v battery, a on off switch, a brushless moter from a r/c car, and a fan blade from a free handheld fan i got at a fair) .


here are the specs;
barrel: 26in. paintball barrel. and 20 by 1/2 in. barrel
chamber: 12 by 2in.
ignitior: pezio grill sparker (one spark)
grip: 1/2" tee
propellent: aussie aresol minunium hold hairspray.




check it out;
ImageImage



more pics coming later
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Unread postAuthor: starman » Sun Nov 09, 2008 5:08 pm

Sounds like you went to a whole lot of effort to cobble together your "ghetto" fan. A basic 50 mm computer fan is all you need.

Not bad effort though...probably too much power for regulation paintball.
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Unread postAuthor: zach12 » Tue Nov 11, 2008 7:05 pm

the only thing i dont understand is, can i still just hook up the fan to a switch and a batteray? Why do people have to put a bunch of stuff on a circut board
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Unread postAuthor: zach12 » Tue Nov 11, 2008 7:05 pm

the only thing i dont understand is, can i still just hook up the fan to a switch and a batteray? Why do people have to put a bunch of stuff on a circut board
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Unread postAuthor: iisthemuffin » Tue Nov 11, 2008 7:16 pm

The circuit board is usually a camera flash ignition. You are fine hooking your fan up to a battery with not circuits. You dont need them for that.

Alot of people put the battery in a jroject box and mount the switch on it to make it look better though.
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Unread postAuthor: starman » Tue Nov 11, 2008 7:38 pm

There has been some that incorporate a timer that will turn the fan off automatically rather than you doing it manually. This is obviously a luxury item.

Yes a battery, some wire, a switch and a fan is all you need. Just be sure you sre careful where you enter the chamber to make those electrical connections...preferrably in 2 layers of pvc and using tapped screw threads.
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