How long does propane last?

[ausvegguykk]

So i am planning a tip in january, i have purchased a bunch of stuff, including a very compact propane stove

i was wondering how long a 1 pound propane cylinder is likely to last, it would mainly be used for cooking rice

would one of these last for a 7 day trip? how much fuel would it spend to cook some rice for 10 minute?

i considered purchasing a butane adapter as the butane cartridges seem to be much much cheaper, but they are only avalible from china, and at this point i think it would take too long to arrive

cheers

[undercling-mike]

Should easily last the trip, even with fairly liberal use. More than likely a 220g canister would also be fine but better to start with plenty and dial it in as you gain experience.

[Scottyk]

Do some test boiling rice etc with a set of scales and work it out. I know that's not an answer but every set up is different so it's hard to say how much you will use.
My initial thoughts are that one pound is a lot of gas for a week, my set up would use less than that in a week but I don't boil rice.

[Strider]

Those steel 1lb propane cylinders are very heavy, I certainly wouldn't want to be carrying one for a week. Regardless, perhaps consider using instant rice sachets rather than cooking from scratch.

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[scoha]

I budget on 50g butane per day which is a bit more than necessary but you always want another cup of tea right! I pre-cook and dehydrate rice - then just add hot water to get it back - works an absolute treat and doesnt use hardly any fuel at all.

[Gadgetgeek]

Propane has more available heat in it than butane, so it will last longer. Butane also is not as efficient in a stove designed for propane, so you may take more of a loss than is cost effective by trying to run butane through a propane stove. That said, butane in a propane burner, not all that dangerous... in most cases. the other way around though could be very bad. Without careful research and some thought, I'd stick to approved fuels for a stove.

All that said, I'd guess you'd have enough with a single can of fuel, but unless you do some testing, I'd have at least some sort of a backup plan in case you can't cook your rice. If its only for a week, you won't starve to death.