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Copper Mini Combustion

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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Copper Mini Combustion

Unread postAuthor: 1700kPa » Tue Mar 06, 2007 2:08 pm

Hello,

This is my first cannon posted. It is a copper mini combustion with 1/4" diameter barrel. Good for shooting q-tips around the house using map gas as a propellant.
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Last edited by 1700kPa on Tue Mar 06, 2007 3:24 pm, edited 1 time in total.
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Unread postAuthor: imablackskater » Tue Mar 06, 2007 2:41 pm

cleanest combustion ever i havent seen a cooper combustion but that is nice two thumbs up
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Unread postAuthor: homedepotpro » Tue Mar 06, 2007 3:26 pm

beautiful and clean
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Unread postAuthor: joannaardway » Tue Mar 06, 2007 3:40 pm

Exceptional. I normally think of copper cannons as "small", but this one has caused a little re-evaluation of what sizes are possible.
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Unread postAuthor: risto » Tue Mar 06, 2007 8:14 pm

hahaha! brilliant! in the category of 'minis', i'd give this one a 10/10!

very clean! almost looks store-bought
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Unread postAuthor: Insomniac » Wed Mar 07, 2007 1:45 am

Amazing!
Beautiful clean mini, probably the best I've seen.

The C:B ratio looks out of wack though, I think it would be better with a larger chamber.
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I wonder how much deeper the ocean would be without sponges.
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Unread postAuthor: MrCrowley » Wed Mar 07, 2007 3:44 am

Bloody Awesome lol.So small and clean and beautiful
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Unread postAuthor: 1700kPa » Wed Mar 07, 2007 7:52 am

Insomniac wrote:The C:B ratio looks out of wack though, I think it would be better with a larger chamber.


The C:B ratio is not optimal. However, I wanted to keep the two tubes the same diameter and close in length to minimize the size.

Thank you all, for the positive feedback.
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Unread postAuthor: jjjd » Wed Mar 07, 2007 3:24 pm

Very nice, what did u use to insolate the sparker
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Unread postAuthor: 1700kPa » Wed Mar 07, 2007 3:37 pm

I used the ceramic insulated electrode that came with the igniter. It is housed in the rear 1/4" connecting tube and was locked in place by filling the tube with J-B Weld.
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Unread postAuthor: leeeeshad » Wed Mar 07, 2007 3:43 pm

nice any damage pics?
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Unread postAuthor: Fnord » Wed Mar 07, 2007 4:15 pm

Wow. Yeah I gotta give that a 10/10. Awesome.
I bet you could make it into a hybrid if you wanted to.
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Unread postAuthor: Velocity » Wed Mar 07, 2007 4:56 pm

I dont think I have ever seen a cleaner mini. Amazing job on this one.
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Unread postAuthor: Insomniac » Wed Mar 07, 2007 11:49 pm

_Fnord wrote:I bet you could make it into a hybrid if you wanted to.


Yeah!
An ultra-clean, shiny copper mini hybrid!

That would be really really cool.
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I wonder how much deeper the ocean would be without sponges.
Right now I'm having amnesia and deja vu at the same time. I think I've forgotten this before.

Add me on msn!!! insomniac-55@hotmail.com
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Unread postAuthor: zeigs spud » Thu Mar 08, 2007 5:31 pm

magnificent!
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i must say it is clean, shiny, and looks VERY NICE!!!!!
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