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UPDATED x 2 !! WMD - Now with 360 view and damage pics!!

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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What do you think?

1337!!
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sux...
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Good for a first spudgun.
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Good for a first spudgun.
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Good for a first spudgun.
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Unread postAuthor: Hailfire753 » Sun Jul 01, 2007 2:12 am

I live in Pennsylvania, US of A. Ill be making a pnuematic coaxial bazooka as soon as I have the time, funds, and permission. As for the silencer, I can not be sure, as I don't have a decible tester. I am only going by the difference in sound, and my sibling's word that they didn't hear the silenced shots indoors. As for range/ consistancy, I have not tested it yet, for lack of potatoes and the time and space to do it. Ill probably try tomarrow, and edit the main post with damage pics and the info.

All I have for range right now is 4 shots of baked potato halves, a milk cap, and a wad of paper. The potatoes only shot 50 - 60 yards, spraying in many pieces. I am hoping this is because they were soft from baking, and not because of the 4'' of fluted barrel. What do you think? My parents are pretty keen on not wasting potatoes, but i'll nab a couple soon. Milk cap went about 40 yards, and same for the tight wad of paper.
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Unread postAuthor: chaos » Sun Jul 01, 2007 2:27 am

oh ok kool. perhaps make some re-usable ammo maybe pvc rockets (search if ya dont know what they are) or maybe nerf rockets* if that what there called over there.

peace
~chaos
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Unread postAuthor: Hailfire753 » Sun Jul 01, 2007 9:05 pm

Hey everybody, i am back. I didn't do muck today, because I have a life other than spudding, but I mannaged to clean the gun's look up a bit. I rewired the chamber, (larger spark now!) gave it a shiny coat of paint, and secured the handels on better. I am unsure wether I should cover the duct tape in electical tape. I want a professional look (less ghetto, lol) but I like the silver color. recomendations?

Also, I am looking to rename the gun. "mr. potato gun" is a little cheesy, so I am looking for a cool acronym. It looks like an RPG, so I thought RPP or RPS - rocket propelled potato/spud. However, I think it needs a vowel. ARPP (Advanced Rocket Propelled Potato) or HARPP (Highly Advanced) maybe? Although my gun is not "highly advanced" I think that soulds neat. Suggestions, please?

Here's a pic.

Chaos- yeah, I know how to make PVC rockets, but I would probably lose 'em pretty quick. Nerf is an option, though - I think we have a couple foam rockets somewhere
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Attachments
Progress.jpg
This is the repainting in progress. I cleaned up the chamber, rewired and insulated it, and now I get a much larger spark. Should I cover the whole chamber in black electric tape? I want a professional look, but I like the silver color
clean chamber.jpg
Here is the rewired chamber. I know it is not much of a differance, but the light, fan, and spark are MUCH more reliable now.
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Unread postAuthor: iPaintball » Sun Jul 01, 2007 9:15 pm

Noice first cannon! I wish my first combustion was that good... How old are you by the way?
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Unread postAuthor: Hailfire753 » Sun Jul 01, 2007 9:16 pm

14, B-day in November
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Unread postAuthor: paaiyan » Sun Jul 01, 2007 9:18 pm

Do not put in mouth, BWAHAHAHAHA! I love it. That's a nice cannon man, I like it. The decals are sweet. What did you do for the silencer?
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Unread postAuthor: iPaintball » Sun Jul 01, 2007 9:21 pm

Whoah dude! you look super yong in those pics, but then again so do I...My first gun was crap. Axe for fuel, no chamber fan, and used a grill ignitor. Again, great job! :D
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Unread postAuthor: Hailfire753 » Sun Jul 01, 2007 9:22 pm

Lol, I found a warning label maker online. Perfect.

1.5'' extender drilled with holes, with modified 2'' pipe to act as a coupling to the main barrel. 3'' outer cover, filled with cotton to act as muffler. Modified 3'' to 1.5'' couplings to hold it together and keep it airtight

edit - thx, da pneu kid!
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Last edited by Hailfire753 on Sun Jul 01, 2007 9:23 pm, edited 1 time in total.
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Unread postAuthor: paaiyan » Sun Jul 01, 2007 9:23 pm

Hailfire753 wrote:Lol, I found a warning label maker online. Perfect.

1.5'' extender drilled with holes, with modified 2'' pipe to act as a coupling to the main barrel. 3'' outer cover, filled with cotton to act as muffler. Modified 3'' to 1.5'' couplings to hold it together and keep it airtight.


Really? Where can I find this warning label maker?
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Unread postAuthor: Hailfire753 » Sun Jul 01, 2007 9:24 pm

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Unread postAuthor: paaiyan » Sun Jul 01, 2007 9:25 pm

Hailfire753 wrote:www.warninglabelgenerator.com

THE BEST and ONLY!!


Geez, I feel like an idiot. How obvious is that?
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Unread postAuthor: Hailfire753 » Sun Jul 01, 2007 9:28 pm

Lol, anyways, what is a good acronym for my gun? HARPP? Highly advanced (lol) Rocket Propelled Potato?

And should I cover the chamber in electrical tape or paint it black?
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Unread postAuthor: paaiyan » Sun Jul 01, 2007 9:30 pm

I almost named mine ETAA, Experimental Tuber Acceleration Apparatus.

EDIT: But you couldn't really call it rocket propelled, cause it's not. Perhaps combustion-propelled.
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Last edited by paaiyan on Sun Jul 01, 2007 9:36 pm, edited 1 time in total.
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Unread postAuthor: Hailfire753 » Sun Jul 01, 2007 9:35 pm

ETAA... thats pretty good. You didn't use it then? Ill probably think about the name while I go to bed- I was up til 3am last night! I will probably test the gun more extensively tomarro - I bought a 25 pound bag of taters today. I think I will cover the chamber in electrical tape also.
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Unread postAuthor: iPaintball » Sun Jul 01, 2007 10:28 pm

Electrical tape will make your cannon look WAYYY better. Oh, an call me, Bond, James Bond...:D No just call me DPK, It's alot shorter.
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