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Australian fittings + propane = ?

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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Australian fittings + propane = ?

Unread postAuthor: Cosmic Muffin » Mon Jan 05, 2009 8:44 am

Gday chums

i have a propane cylinder sitting in the shed right now needing a home :wink: and i was wondering if i could use it on my cannon

http://www.spudfiles.com/forums/50mm-bo ... 16755.html

because im not sure if i can use it on Aussie DWV or what not. cos i have noticed my fittings are different from the ones you American blokes use.
just checking, dont want to die any time soon :lol:

cheers guys
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Unread postAuthor: Carlman » Mon Jan 05, 2009 10:02 am

IMHO i wouldnt use propane in dwv at all, but many do so thats up to them.

i belive our pipe standards are better than the US so you should be good mate.
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Unread postAuthor: starman » Mon Jan 05, 2009 10:12 am

You won't die any time soon.....well from spudding anyway.... :wink:

You should be OK to go with metered propane in your little beauty. However, the rear cap is the only thing that would concern me a tad. Is there another type cap that's pressure rated that you could screw on there? Any time you see flat boundries like that you have to be a little concerned.

If it were a pneumatic, I would say no way. Have you figured out how you want to meter and inject the fuel?
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Unread postAuthor: Cosmic Muffin » Mon Jan 05, 2009 9:16 pm

cheers carlman. but whats IMHO :?

tha rear cap is the only thing i have seen in 90mm, i cant find 90mm pressure rated parts :x and i have been to heaps of different stores.
i could just cut the whole section off and replace it with a bell reducer. then have a ball valve in that.
hmmm
:?
is there an amount of propane equal to the explosive power of aerosol?.
cos im only really interested in metering so that i don't have to "pray"

and no i havent thought that far ahead yet starman.
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Unread postAuthor: starman » Mon Jan 05, 2009 10:19 pm

Cosmic Muffin wrote:is there an amount of propane equal to the explosive power of aerosol?.
cos im only really interested in metering so that i don't have to "pray"

and no i havent thought that far ahead yet starman.


Properly metered propane will be more energetic and more consistent than your aerosol. It's time to be thinking about it... :wink:

IMHO = In My Humble Opinion
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Unread postAuthor: Cosmic Muffin » Wed Jan 07, 2009 1:01 am

yer well im after the consistency.
just dont want to blow the chamber up.

oh cheers
imho

i see
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