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Propane tanks

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 tanks

Unread postAuthor: ryman94 » Mon Nov 30, 2009 6:46 am

Hey everyone
ive been looking around this site and it looks like everyone is useing these http://www.justtools.com.au/prod1874.htm things to fill up there combustion type launchers. in the link i sent you is for a supplyer in australia but look at the price!!

Anyway i wanted to ask if it was possible to rig up one of these? http://en.wikipedia.org/wiki/File:Propane_tank_20lb.jpg
They are cheap in australia and hold more , but ive never seen anyone use one of them.
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Unread postAuthor: kenbo0422 » Mon Nov 30, 2009 6:58 am

Search a little more and I'll bet you'll find a rig with the 20# tank. On the other hand, the smaller MAPP gas setup has an auto lighter, etc. Ditch that setup and look at the other combustion designs on here that use small propane cylinders. You'll find that the piping on nearly everything is connected to a typical manual cylinder valve with user designed piping thereafter.

Just don't pay a bundle for an automatic setup like you saw when you really don't need it. For that matter, you can buy butane lighter refill cans that may suit your needs and are probably even less expensive.
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Unread postAuthor: ryman94 » Mon Nov 30, 2009 7:06 am

Yeh i was thinking that the little bottles of mapp gas were abit pricy for what they are, there around 22 american dollars in america and even more in australia. But 20lb ones are everywhere here (probably because every single house has a bbq)
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