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gas or hairspray

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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hairspray or propane/gas

Poll ended at Mon Oct 08, 2007 3:29 pm

hairspray
0
No votes
propane/gas
8
100%
 
Total votes : 8
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Unread postAuthor: MikeNice » Thu Oct 04, 2007 4:41 pm

So technical this discussion is - Yoda

I'm with Yoda on that. Hey Weeman, in answer to your original question. Porpane, because hairspray really really really sucks. I've used spray bottle with gasoline and / or alcohol for spraying a nice fine mist. Even better when you have a chamber fan to mix it all up. I couldn't notice a difference between the two. (gasoline / alcohol)
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Your face is going to freeze like that. http://iplaaz.freehostia.com/
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Unread postAuthor: BigGrib » Sun Oct 07, 2007 7:29 pm

Man I think all you guys are going way overboard with this whole gasoline versus ethanol versus propane. geez. and who would be dumb enough to use gasoline in a pcv/asb type spud gun anyway. I personally would only use gasoline in a metal gun. That also gets into the whole mixed fuel catergory (ie oxy-acetylene) which should never be used in a plastic gun. That's just begging to lose a limb, digit, or life. Anyway back to the poll question. Definatley propane. Better/cleaner burning that hairspray, and there is no residue (ie sticky crud) to gum up your threads if you are still stuck on the spray and pray metheod of spudgunning. You should really think of upgrading to a metered propane injection and a high voltage ignition system.
  • 0

Yea, that's definitely going to get you at least a tazer.

<a href="http://www.youtube.com/watch?v=AkMkGOpAF4s">DONT TAZE ME BRO.. DONT TAZE ME... AHHHH</a>
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Unread postAuthor: jimmy101 » Mon Oct 08, 2007 1:15 pm

BigGrib wrote:... and who would be dumb enough to use gasoline in a pcv/asb type spud gun anyway.


Care to back that statement up with some facts and/or reasons?

1. Gasoline won't harm PVC.
2. Gasoline won't produce any more pressure than propane so it won't overstress the gun.
3. Gasoline is no more likely to DDT than any other hydrocarbon fuel.
4. Gasoline is a lot cheaper than any other fuel.

I agree that gasoline is a dumb fuel, but only because it is a PITA to meter acurately. Not because of any safety issues (other than accidently igniting your gallon can of gas.)

EDIT: speeling
EDIT2: spellling
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Unread postAuthor: WEEMAN » Tue Oct 09, 2007 5:00 pm

what have i started???
thnks anyways
look for the pics i gonna post its basicly a 5 foot long pipe with some straps and two of those little propane tanks on them
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