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Basic 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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Basic combustion

Unread postAuthor: WOW!! » Sun Dec 23, 2007 8:58 pm

Here is a combustion I made for a friend.
Chamber
3'' Sch40 16'' long
116ci
Barrel
24" of 1 1/2" Sch40
C:B of 2.4:1

Uses hair spray for the fuel. The sparker is from a electronic one off of a BBQ and uses a spark plug in the chamber. Works really good, a little loud tho. Here are some pictures-
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Edited with a vid-
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Last edited by WOW!! on Sun Dec 23, 2007 11:13 pm, edited 1 time in total.
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Unread postAuthor: CuddlyBurrito » Sun Dec 23, 2007 9:42 pm

kool how does she fire?
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Unread postAuthor: daberno123 » Sun Dec 23, 2007 9:49 pm

I would bet that it is really loud with a C:B of 2.4:1. Shorten up the chamber or lengthen the barrel and you won't lose any power just noise level will be quiter
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Unread postAuthor: Novacastrian » Sun Dec 23, 2007 9:49 pm

CuddlyBurrito wrote:kool how does she fire?


I imagine one would fire by depressing the button on the bbq piezo :lol:
That's one ghetto cannon!

Daberno, you would in fact loose power in you shortened the chamber.
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Unread postAuthor: WOW!! » Sun Dec 23, 2007 11:09 pm

Novacastrian wrote:That's one ghetto cannon!



I have received the ghetto award form Gort before. 8)

As for the CB, I know it is too short, it was all the pipe I had and it was just made from things I had at my garage with a friend. And yes shortening the chamber will cause it to lose power.


CuddlyBurrito wrote:kool how does she fire?


It fires good, fair amount of power and the noise makes it better lol. and to fire it you hook the end of a extension cord to the yellow plugs coming from the sparker and then use a jumper wire in the other end of the cord.
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Unread postAuthor: daberno123 » Sun Dec 23, 2007 11:13 pm

Daberno, you would in fact loose power in you shortened the chamber

d'oh wasn't thinking there
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Unread postAuthor: WOW!! » Sun Dec 23, 2007 11:13 pm

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