Mini cannon (Just another)

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SpudFiles Forum Index » Mini Cannon Showcase » Mini cannon (Just another)

Mini cannon (Just another)

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brplatz

Posted: 04/05/2008 19:03 PM Post subject: Mini cannon (Just another)

Sergeant Major

Joined: 21 Mar 2008
Posts: 178
46.98 Spud Bux

This is my first combustion cannon because my dad thinks anything that has flammability will exploded and kill me Mad

. Anyway this is made from and old airsoft quickfeeder and vitamin C pills containers and a old airsoft barrel. And a bunch of duct tape Very Happy

Shoots a airsoft BB across the yard

[/img]

Sergeant Dotson

Posted: 04/05/2008 19:05 PM Post subject:

Sergeant First Class

Joined: 21 Jan 2008
Posts: 148
246.83 Spud Bux

Very creative, and an interesting concept with that. Cool

hubb017

Posted: 04/05/2008 19:11 PM Post subject:

Sarcasmo

Joined: 28 May 2007
Posts: 1442
519.75 Spud Bux

I saw the words "duct tape" and though "ghetto". But this is actually quite nice.

Fuel? Ignition?

Why not get your dad to help you build a larger one? He will enjoy that.

brplatz

Posted: 04/05/2008 19:29 PM Post subject:

Sergeant Major

Joined: 21 Mar 2008
Posts: 178
46.98 Spud Bux

ok i showed my dad it and explained it was safe and he thought it was sweet.(and not to tell mom about it lol). i use my moms Dove Unsceneted hairspray as a fuel and a ignitor from a old lighter. i soldered on some longer wires and attached em to pins and put em in close enough to get a arc. cant get a good pic of that though.

SpudFarm

Posted: 04/05/2008 19:33 PM Post subject:

Hybrid Guy
<b>Donating Member</b>

Joined: 04 Nov 2006
Posts: 2036
1056.38 Spud Bux

whatis the C:B ratio on that? Laughing

i bet that has a pshhhhhhhhhhhhhhhhhhhhhh sound and the bottle expands a little? Razz

brplatz

Posted: 04/05/2008 19:55 PM Post subject:

Sergeant Major

Joined: 21 Mar 2008
Posts: 178
46.98 Spud Bux

not sure on the C:B ratio but your right on the money for the sound and expansion lol Very Happy

iPaintball

Posted: 04/05/2008 20:06 PM Post subject:

Colonel

Joined: 04 Mar 2007
Posts: 709
960.84 Spud Bux

Excellent mini! i bet that thing has an ungodly C:B ratio though...

brplatz

Posted: 04/05/2008 20:37 PM Post subject:

Sergeant Major

Joined: 21 Mar 2008
Posts: 178
46.98 Spud Bux

the 2 tanks kinda separate for a second after the shot. i can feel the duct tape hold it together lol. my ignition is failing now i cant figure out why. bummer

SpudFarm

Posted: 04/05/2008 20:41 PM Post subject:

Hybrid Guy
<b>Donating Member</b>

Joined: 04 Nov 2006
Posts: 2036
1056.38 Spud Bux

hair spray at the electrodes i think...

brplatz

Posted: 04/05/2008 20:46 PM Post subject:

Sergeant Major

Joined: 21 Mar 2008
Posts: 178
46.98 Spud Bux

ill try cleaning em off. is there a better spray fuel i could use or they all about the same?

lockmanslammin

Posted: 04/06/2008 17:25 PM Post subject:

Staff Sergeant

Joined: 10 Feb 2008
Posts: 123
511.95 Spud Bux

A different fuel? Sure there is. I put my new mini in the showcase, its just a little bit down the page from yours. Its the "SBP Mini" I use just plain ole' butane on mine. Just remember that butane is heavier than air, so when you fuel it do it in such a way as the butane will fall...for lack of a better term, into your chamber. I think you will get a power increase too.

Lock

Blitz

Posted: 04/06/2008 19:55 PM Post subject:

Major

Joined: 07 Apr 2007
Posts: 379
760.96 Spud Bux

Heh heh, duct tape FTW! What's the performance like?

brplatz

Posted: 04/07/2008 15:56 PM Post subject:

Sergeant Major

Joined: 21 Mar 2008
Posts: 178
46.98 Spud Bux

like 40 feet ish. its got a pretty sweet expanding thing when it fires. i hope it doesn't explode on me Very Happy

rcman50166

Posted: 04/07/2008 16:31 PM Post subject:

Major

Joined: 19 Jan 2008
Posts: 381
1022.10 Spud Bux

I think your safe, for now... The largest 6mm bb shooter I've made has a 20oz gatorade bottle as the chamber. The angry hiss scarred me so much that I bound it fishing line to make it more rigid. But for a while I was firing without any support. It expands like crazy but it never went off on me.

brplatz

Posted: 04/07/2008 18:21 PM Post subject:

Sergeant Major

Joined: 21 Mar 2008
Posts: 178
46.98 Spud Bux

so my lighter igniter finally failed so i am gonna go buy a 15 dollar grill one and make myself one of scottcrete's amazing creations! lol

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