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premixed fuel.. questions...

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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premixed fuel.. questions...

Unread postAuthor: trae08 » Fri May 30, 2008 6:09 pm

ok, hi, im working on a premixed fuel design it would mix the propane with compressed air before it enters the chamber..

but i have a question. im working on a prototype using a 20 oz bottle and i was wondering i know if you put a drop of oil in a hpa paint ball tank it could explode but i was wondering would it explode if i put propane in a bottle and pressurized it to 70-80 psi?
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Unread postAuthor: Lentamentalisk » Fri May 30, 2008 6:23 pm

it is very important to keep all oil out of O<sub>2</sub> lines, as it will explode, hence the "use no oil" stickers all over, but no, it won't happen with propane, as that is done in hybrids all the time.
Check out this: http://www.spudfiles.com/forums/me20h-4 ... 14452.html
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Unread postAuthor: DYI » Fri May 30, 2008 7:22 pm

but i have a question. im working on a prototype using a 20 oz bottle and i was wondering i know if you put a drop of oil in a hpa paint ball tank it could explode but i was wondering would it explode if i put propane in a bottle and pressurized it to 70-80 psi?


If your supplier's propane has high enough oxidiser content in it to make that a concern, I suggest taking your business elsewhere. :lol:

Even if your "propane" was pure oxygen, you wouldn't need to worry about it at 70-80 psi. Believe me. I've tried.
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