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PPC-90 General Purpose Cannon

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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PPC-90 General Purpose Cannon

Unread postAuthor: Binder17 » Thu Jul 05, 2007 12:11 pm

A basic design. Shoots potatos and candles. has a 18"X 3" chamber and a five foot 1 1/2" detachable barrel. Uses metered propane or MAPP Gas. I screwed up on the ratio somehow, I calculated it backwards or something. None the less it shoots extremely well.
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Unread postAuthor: hi » Thu Jul 05, 2007 12:23 pm

excellent paintjob. excellent cannon too. i think you have a brushed fan in there, bt it wont matter. very nice cannon, i recommend a propane meter if you have the cash and time.
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Unread postAuthor: Binder17 » Thu Jul 05, 2007 12:26 pm

It has one, it's just not an on-board meter.
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Unread postAuthor: Fnord » Thu Jul 05, 2007 12:27 pm

Holy crap thats a sweet camo job.
You must teach us your ways, o master of the spray can.
Edit: Did you use actual leaves to create those patterns?
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Unread postAuthor: Binder17 » Thu Jul 05, 2007 12:35 pm

Yes actual leaves. For that particular camo job start with a tan base coat. Then paint random areas with brown, not the hole thing, just spots. then do the same with olive in the areas not covered by the brown. When all this dries gather up some leaves and twigs and hold in random configurations over the surface. Paint with the tan paint over the leaves, spray lightly from a distance. I recommend the Krylon spray paint, especially the Fusion kind. Krylon makes paints especially for camouflage, if you can't find these for some reason, just be sure to use flat color paint.
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Unread postAuthor: iPaintball » Thu Jul 05, 2007 12:51 pm

That is a sweet cannon. The camo rocks, but why is your handle so long?
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Unread postAuthor: Binder17 » Thu Jul 05, 2007 12:58 pm

The handle is long because the trigger is at the center of gravity.
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Unread postAuthor: psycix » Thu Jul 05, 2007 1:19 pm

It looks real nice, and its a smart thing of putting the handle that way its in the center.

I hope for you your fan (wich does look sweet) doesnt spark inside...
How does it perform?
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Unread postAuthor: Binder17 » Thu Jul 05, 2007 1:41 pm

It is powerful. Fires on the first shot each time. I admit that the electrodes are a little close to the fan (my bad) but it doesn't affect it. I built this one at my cousin's in virginia and sent it back to Louisiana via UPS. I brought the barrel with me to the airport and checked it in as luggage.
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Unread postAuthor: WOW!! » Thu Jul 05, 2007 2:39 pm

Looks good. Really nice paint job!
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Unread postAuthor: mega_swordman » Thu Jul 05, 2007 3:04 pm

Very nice cannon you have there, I really like your paintjob. Good job.
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Unread postAuthor: turbohacker » Thu Jul 05, 2007 3:29 pm

Wow, Again great paint job.
You had to have had some fun trying to get that into airport security :lol:
I have always wanted to take an air cannon into the airport :D
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If it walks like a dog, sratches like a dog, and barks like a dog, than its probobly a...-TURTLE, it's a TURTLE!!! Cant you see?!!!

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Thats a beast!
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Unread postAuthor: Hailfire753 » Thu Jul 05, 2007 4:25 pm

Exelent paint job! How far does it shoot, and can you post damage pics?
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Unread postAuthor: SnowFlox » Thu Jul 05, 2007 4:26 pm

very sweet paint !! you use a brush motor ?????
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Unread postAuthor: Binder17 » Thu Jul 05, 2007 4:32 pm

No, it is electromagnetic. Even if it was a brush it wouldn't matter. I have a larger cannon that uses an old power wheels motor that is a brush and it makes no difference, no spontaneous ignition.
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