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Propane torch

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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Propane torch

Unread postAuthor: jbeeson » Wed Feb 23, 2011 12:00 am

what is the best way to attach a propane canister to the direct injection system. i know you can hack off and thread the torch but is there an attachment that can directly attach to the canister?
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Unread postAuthor: ckman » Wed Feb 23, 2011 12:49 am

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Unread postAuthor: mark.f » Wed Feb 23, 2011 6:28 am

Unthread the shaft from the needle valve (base) of the torch, and thread in the 7/16"-24tpi straight threads from a 1/4" NPT x 1/4" OD compression adapter into the base with some teflon tape.

http://www.spudfiles.com/forums/how-to-basic-propane-meter-t22339.html
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Unread postAuthor: jbeeson » Wed Feb 23, 2011 5:21 pm

mark.f
when you remove the torch nozzel will that section be threaded? where you put in the 1/4 npt x 1/4 of compression adapter
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Unread postAuthor: saefroch » Wed Feb 23, 2011 6:39 pm

If it looks anything like the one in the how-to, then yes.
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Unread postAuthor: jbeeson » Sun Mar 13, 2011 10:49 pm

i got a torch but i am unable to unscrew the shaft out of the base connection. i have put a lot of force into it. is there any secret to getting it off? if not can i solder a threaded fitting on?
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Unread postAuthor: saefroch » Mon Mar 14, 2011 7:15 am

Picture please? It's most likely you're just not trying hard enough. Using a 10" pipe wrench and an adjustable wrench I just kept twisting until it came apart.
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