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propane tank and regulator 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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propane tank and regulator questions

Unread postAuthor: meatballs » Mon Apr 30, 2007 2:29 pm

Two questions: are there smaller size propane tanks than the 14.1 oz kind used for blow torches? i looked but couldn't find any. i just think it would be cool if there were some mini tank, so it'd be easily portable, the regular size gives a ton of shots, and a small one should give a good number of shots too.
also, has anyone used this regulator for propane? or something similar?
Kobalt®Mini Regulator With Gauge
http://images.lowes.com/product/convert ... 6830md.jpg
any answers much appreciated.
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Unread postAuthor: CS » Mon Apr 30, 2007 11:58 pm

I am sure there is smaller sized tanks then the 14.1oz cylinders used for propane torches, although I could not find any on a quick Google search. As I see these mini "pencil" torches running off butane, I have to assume there is a similar system running off of propane. You could always make your own, but I think your looking for a commercially available cylinder.

The air pressure regulator pictured should work. I have used several different air pressure regulators, and they all work. Hope that helps you out, and the best of luck.
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Unread postAuthor: hi » Tue May 01, 2007 12:12 am

there are the camping ones that are smaller, but wider. im not sure how much they hold, but they are maybe a little more than half as tall. they use the same threads. you can get them as any camping store and some grocery stores have the too.
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Unread postAuthor: meatballs » Tue May 01, 2007 2:17 pm

thanks guys, i think i'll stick with the 14.1 oz propane tank, rather than the ~16 oz camping one, i like the shape better. i put the cannon together last night, and the regulator works fine, it seems like there's no guarantee but in general the air pressure regulators work fine with propane. i should be all set now, thanks for the input :)
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