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Andeh's Mini

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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Andeh's Mini

Unread postAuthor: PCGUY » Sat Feb 12, 2005 6:05 pm

<div align="center">ANDEH MINI

Provided By Andeh

Seems like the mini is the new fad. Ah well, it cost me nothing to participate in this one!

Its a mountain dew bottle w/ a 1" galvanized coupling jb welded onto it, and my 3' .5" and 1" barrels thread into it. According to ratcalc, with my .5" barrel the ratio is something crazy like 7:1 and the 1" is 1.5:1. Well actually I had to do the .5" manually since ratcalc doesn't support it. but.. yeah.

The BBQ ignitor I'm using is kinda old and doesn't spark a lot, but once it gets going it works all right. Good enough for this purpose. maybe I'll break down and buy a new one sometime.

My electrodes are 2 machine screws that I thankfully found at my friends house, those are jb-welded into place. eventually i'll solder or jb weld the wires on, but for now I'm gonna use duct tape. heh.

Provided By Andeh</div>
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Attachments
minimuzzle.jpg
minimuzzle.jpg (5.07 KiB) Viewed 4718 times
miniignition.jpg
miniignition.jpg (6.1 KiB) Viewed 4718 times
minichamber.jpg
minichamber.jpg (7.41 KiB) Viewed 4718 times
fullmini.jpg
fullmini.jpg (5.82 KiB) Viewed 4718 times
Last edited by PCGUY on Mon Jun 12, 2006 7:17 pm, edited 1 time in total.
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Unread postAuthor: boogieman » Tue Mar 08, 2005 3:57 pm

thats weird and ghetto its like a cioke bottle combustion gun! real weird it might pack a punch but ur design not mine... :twisted:
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Unread postAuthor: Condor » Mon Apr 18, 2005 2:36 pm

seems like it would just blow the fork up
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Unread postAuthor: CS » Mon Apr 18, 2005 5:44 pm

Thats wierd that Condor said that because ive also wondered how they handle the pressure. People use pop bottle plastic for burnt disks and they dont handle the pressure. Just wondering.
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Unread postAuthor: iamthewalrus » Mon Apr 18, 2005 7:18 pm

well theres a phumatic coke rifle made by boogieman i think and he pumped it to 160psi, so the combustions pressure shouldnt be a lot compared to that.
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Unread postAuthor: theexp » Tue Apr 19, 2005 5:28 pm

Coke bottles can definatly stand teh presssure, because hybrids use cut up coke bottles as burst disks, hybrids reach up too around 200 something psi.

Also while all sealed and in a cylander like that, it will flex and expand slightly to absorb some pressure. It will be fine. Just make sure the fuel mix isn't too rich and you light the bottle on fire.
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Unread postAuthor: rna_duelers » Tue Sep 27, 2005 11:43 pm

I have got a few coke bottle pnuematic guns they work just fine and i got one of those coke bottles to about 164 psi before it blew...was realy loud but that cannon would only be making about 25-30 psi of expansion presure so it's all safe.
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Unread postAuthor: CpTn_lAw » Sat Oct 08, 2005 3:14 pm

hey there, i've had a pneumantic canon, with 1.5L bottle, and it worked very great. a plastic coke bottle explodes to 10 bars, it make 160 psi...i'm making a combustion canon, and i was wondering if using a fireextinguisher as combustion tank was ok...? can somebody answer?
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Unread postAuthor: boilingleadbath » Sat Oct 08, 2005 3:47 pm

Oh, come on here...
You have a very thin walled PET bottle shaped in a sub-optimum way for containing pressure, and it's still 'safe' to put 100 psi in it. Now, you have a thicker walled steel bottle that is shaped pretty well for containing pressure, and you have to ask if it's safe to put 50 PSI in it?! What's wrong with you!?
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Unread postAuthor: Rambo » Sun Jan 29, 2006 12:46 pm

I'll use a pepsi cola bottle(2L) and another bottle around it.The barrel will be from tin leght metal.It will lounch funels.
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Unread postAuthor: blastopvc » Fri May 19, 2006 8:06 am

Ive made a counbustion plastic coke baotel befor. its a fun one. but it sumetimes males and is runeded extremaly fast. so u got to skack up on empty coke bottels. i find my in a dumper
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Unread postAuthor: spit_spud » Tue Dec 26, 2006 4:34 am

nice combustion gun, i made something like that, almost the same, the chamber is big enough to compress the air int the lid, but one problem using a copke bottle, it shrinks because of its made of plastic, but anyway nice spud! :idea: :idea: :idea: :idea:
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Unread postAuthor: ballad of NJ » Tue Feb 13, 2007 10:07 pm

coke bottles i used those for my 2 guns wprl well when you dont want to make a pvc chamber
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Unread postAuthor: paaiyan » Tue Feb 13, 2007 10:21 pm

blastopvc wrote:Ive made a counbustion plastic coke baotel befor. its a fun one. but it sumetimes males and is runeded extremaly fast. so u got to skack up on empty coke bottels. i find my in a dumper


OK two words.

Speak.
English.
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Unread postAuthor: hgeral618845 » Mon Mar 12, 2007 9:12 pm

hewy i post to get points (heh heh) :lol:
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