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first advance combustion

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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first advance combustion

Unread postAuthor: homedepotpro » Mon Aug 13, 2007 6:45 pm

Recently i have been straying away from combustions and more twords the more reliable pneumatics. After working several landscaping jobs, i found myself with an excess of dough. So i decided to but a propane metered gun, which i have been wanting to do since my first gun. I had left over 2.5'' sch40 pvc from a prior tennis ball gun project, not wanting to dish out 40 bucks for some 3'' i used 15'' of 2.5'' for my chamber. The barrel is 3' of 1.5'' sdr21. I have a custom built fan using a prop from an old broken rc plane powered by two AA's. bbq sparker ignition and a female quick connect fitting for filling. there is a 1'' ball valve for venting.

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it shoots beautifully. i got ~250+ yards (hard to tell because it began falling into the trees). I use 30psi in the meter and the gun report is just the right loudness/noise.
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Unread postAuthor: origin unknown » Mon Aug 13, 2007 7:05 pm

Nice, I like inline combustions alot especially yours. Were do you get your 2.5" pipe and fittings?
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Unread postAuthor: thespeedycicada » Mon Aug 13, 2007 7:10 pm

nice i like it alot
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Unread postAuthor: sjog » Mon Aug 13, 2007 7:16 pm

why did you drill thru the single wall?
advanced??
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Unread postAuthor: homedepotpro » Mon Aug 13, 2007 8:03 pm

origin unknown wrote:Nice, I like inline combustions alot especially yours. Were do you get your 2.5" pipe and fittings?

i actually have a huge pipe depot called fergison's right next to my house, (like two minute drive)
why did you drill thru the single wall?

because i way bored while waiting to get the fittings and wanted to begin building.

Add: damage pics
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Unread postAuthor: mtronic » Tue Aug 14, 2007 7:59 am

hahahah cool injection method. Needs some paint and then its done, good dmg too! Make sure you dont miss, you dont wana f#ck your fence up
I am seriously considering making my comb. on board or at least metered. Im getting tired of taking off the cap all the time.
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Unread postAuthor: CannonCreator » Thu Sep 20, 2007 1:13 am

goog job, looks nice. Great damage pics!
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Unread postAuthor: starman » Fri Feb 22, 2008 3:09 am

Very nice system you have there...portable fueling meter mainly. I had actually dreamed up something like this one day a couple of weeks ago but haven't as yet followed through. I'm considering using a system like this on upcoming builds.

You're fortunate to be so close to the pipe company. My pipe company in town sells 20 foot sticks of 2.5" only. They also didn't seem too happy to deal with a 1 stick guy who has to saw it in half to get it loaded to take home. Probably just the one grouchy guy....still I thought it wasn't very good customer service.

I wish the Home Depot's and the Lowe's of the world would just carry the 2.5" stuff....
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Unread postAuthor: kostaki » Fri Feb 22, 2008 3:26 pm

really nice cannon not overly complicated
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Unread postAuthor: STHORNE » Fri Feb 22, 2008 6:07 pm

wow, nice job homedepotpro. I love the Quick connect/disconnect system for the direct propane injection. I'm doing the same thing (almost) with my bazooka combustion.

2 thumbs up!! :wink:
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Unread postAuthor: SpudFarm » Fri Feb 22, 2008 6:35 pm

for me it is 2 thumbs and 2 toes up :)
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Unread postAuthor: mauritstheman » Mon Feb 25, 2008 5:46 am

Wow nice advanced combustion as you nice and very nice damages pictures too look cool where you get the 2.5 pipe?
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Unread postAuthor: homedepotpro » Mon Feb 25, 2008 9:34 am

i got the pipe at a place called fergusons.
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