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Andeh's Mini
Posted: Sat Feb 12, 2005 6:05 pm
by PCGUY
<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>
Posted: Tue Mar 08, 2005 3:57 pm
by boogieman
thats weird and ghetto its like a cioke bottle combustion gun! real weird it might pack a punch but ur design not mine...
Posted: Mon Apr 18, 2005 2:36 pm
by Condor
seems like it would just blow the fuck up
Posted: Mon Apr 18, 2005 5:44 pm
by CS
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.
Posted: Mon Apr 18, 2005 7:18 pm
by iamthewalrus
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.
Posted: Tue Apr 19, 2005 5:28 pm
by theexp
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.
Posted: Tue Sep 27, 2005 11:43 pm
by rna_duelers
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.
Posted: Sat Oct 08, 2005 3:14 pm
by CpTn_lAw
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?
Posted: Sat Oct 08, 2005 3:47 pm
by boilingleadbath
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!?
Posted: Sun Jan 29, 2006 12:46 pm
by Rambo
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.
Posted: Fri May 19, 2006 8:06 am
by blastopvc
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
Posted: Tue Dec 26, 2006 4:34 am
by spit_spud
Posted: Tue Feb 13, 2007 10:07 pm
by ballad of NJ
coke bottles i used those for my 2 guns wprl well when you dont want to make a pvc chamber
Posted: Tue Feb 13, 2007 10:21 pm
by paaiyan
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.
Posted: Mon Mar 12, 2007 9:12 pm
by hgeral618845
hewy i post to get points (heh heh)
