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Fist 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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Fist cannon

Unread postAuthor: itwentboom » Thu Feb 22, 2007 5:14 pm

This is the first cannon i ever built. It is propane metered,duel spark and chamber fan. It took me about a week to build on and off. <a href="http://photobucket.com" target="_blank"><img src="http://i148.photobucket.com/albums/s26/itwentboom/cannon2005.jpg" border="0" alt="Photobucket - Video and Image Hosting"></a><a href="http://photobucket.com" target="_blank"><img src="http://i148.photobucket.com/albums/s26/itwentboom/cannon2004.jpg" border="0" alt="Photobucket - Video and Image Hosting"></a><a href="http://photobucket.com" target="_blank"><img src="http://i148.photobucket.com/albums/s26/itwentboom/cannon2002.jpg" border="0" alt="Photobucket - Video and Image Hosting"></a>
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Last edited by itwentboom on Thu Feb 22, 2007 5:24 pm, edited 1 time in total.

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Unread postAuthor: itwentboom » Thu Feb 22, 2007 5:19 pm

Sorry post got messed up. This is my first cannon and took me about a week to build. It is propane metered has duel spark ignition and a chamberfan. Well ill let u guys tell me what u think. Be easy on me im new to this.I have tried to build something from researching everything i could from this forum. The elbows are SCH 80 connected with a nipple. Not sure if that was a good idea? I am building a pneumatic cannon now for the first time using two mauler valves I will post it when complete.
Thanks
<a href="http://photobucket.com" target="_blank"><img src="http://i148.photobucket.com/albums/s26/itwentboom/cannon2003.jpg" border="0" alt="Photobucket - Video and Image Hosting"></a>
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Last edited by itwentboom on Thu Feb 22, 2007 8:44 pm, edited 2 times in total.

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Unread postAuthor: homedepotpro » Thu Feb 22, 2007 5:25 pm

awsome, i dont beleive its you first. i dig the paint job
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Unread postAuthor: PVC Arsenal 17 » Thu Feb 22, 2007 5:27 pm

Excellent work. I especially like the opposite angled handles and the silver paint.

I congratulate you on researching, most other first timers come on here and continually ask for plans ust to turn out something pathetic or nothing at all.
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Unread postAuthor: mark.f » Thu Feb 22, 2007 5:31 pm

Nice "tripod". Very excellent first gun, as well.
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Unread postAuthor: itwentboom » Thu Feb 22, 2007 5:43 pm

It is my first "homedepotprp" just researched alot and took my time to do it right. I will keep listening and reading all the posts in this great forum you guys really know your stuff.
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Unread postAuthor: PneuJose » Thu Feb 22, 2007 6:28 pm

nice!! veeeery clean gun...not like my combustion, realy symilar than urs, anyways wat ignition are u using?? wats ur chamber specs(size, lenght) ?
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Unread postAuthor: itwentboom » Thu Feb 22, 2007 6:37 pm

Electronic BBQ pulse chamber 4 inch by 20" barrel is 2 inch 42" thanks for the comments
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Unread postAuthor: rl93 » Thu Feb 22, 2007 7:40 pm

itwentboom wrote:It is my first "homedepotprp" just researched alot and took my time to do it right. I will keep listening and reading all the posts in this great forum you guys really know your stuff.


God bless you for reasearching.
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Unread postAuthor: Insomniac » Fri Feb 23, 2007 3:24 am

Meh, it's alright......

LOL I'm kidding that thing is a BEAST!
You really know your stuff, and that is a beautiful gun, one of the best combustions I've seen on this forum. Can't wait to see your pnumatic. I love the shiny propane meter.

Oh and why did you drill holes in the end of the barrel?? It improves accuuracy and makes it a little quieter, but it reduces its power. If you want a muzzle break just for looks, build it out of pipe larger than the barrel, so that it won't slow the projectile down.

Are the pictures screwing up the format of the page and making it really wide for anyone else or is it just me?
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Unread postAuthor: chaos » Fri Feb 23, 2007 3:36 am

Are the pictures screwing up the format of the page and making it really wide for anyone else or is it just me?


its just you i think because its fine for me.

oh and by the way that is one kick@$$ cannon you have there congrats!

peace
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Unread postAuthor: joannaardway » Fri Feb 23, 2007 4:32 am

Sgort's first cannon was a propane metered one. So why should we doubt that any one else could do the same?

Good work on this. I like it. Perhaps here we have another spudding genius on the way?

@Insomniac: Actually, some research my brother did showed that done properly, venting can have huge effects on range and accuracy.

He created a twist lock attachment, and when used, the range easily doubled for some projectiles, with huge increases in accuracy as well, because the projectiles were so stable coming out of the muzzle (we are talking almost rifling levels of stable here!)

Although at short range, venting reduces power, the reduced drag on the stable ammo means that at a small distance, penetration and power are higher.
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Unread postAuthor: fom » Fri Feb 23, 2007 1:49 pm

itwentboom wrote:Electronic BBQ pulse chamber 4 inch by 20" barrel is 2 inch 42" thanks for the comments


By far one of the best guns I've ever seen!

I suggest you make you barrel much longer, I would suggest a 6 foot barrel.
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Unread postAuthor: Scope » Fri Feb 23, 2007 3:22 pm

Thats a beautiful gun!! To many people underestimate just spending a good solid amount of time thinking things through before they build it!
You obviously did a great job!!

[quote="Insomniac"]

Oh and why did you drill holes in the end of the barrel?? It improves accuuracy and makes it a little quieter, but it reduces its power. If you want a muzzle break just for looks, build it out of pipe larger than the barrel, so that it won't slow the projectile down.
quote]

I dont agree with that... Venting reduces pressure the projectile creates in the barrel by quickly accelerating. Thus adding velocity because there is less pressure pushing back.
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Unread postAuthor: itwentboom » Fri Feb 23, 2007 6:18 pm

Thanks for all the praise, i wouldn't know anything if it wasn't for this forum. So I say thanks to you guys for all your expertise. My pneumatic will be complete in a week. Just got my twin 2" Mauler Valves. Thanks again guys.
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