Fuel Canister refiller

Bob

Bob

Trailmaster
Joined
Mar 3, 2013
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Anybody ever use one of these> I have a few partial canisters. Would be nice to fill one...

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these look like lots of fun but I just take a partial canister and then also a full one, or save the partial ones for when I might want tea or soup on a day hike
 
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I used a similar product and it worked well. I emptied and refilled maybe 10-15 of the 110g size canisters in one session.
Then at the end of the next season I tried it again and it didn't seem to be working. I think the problem was that you really need to create a large pressure differential between the two canisters by making one hot and one cold. I probably just didn't go far enough temperature-wise the last time I tried it, so head's up.
They could be good for using/buying less metal, too, because you could buy one huge canister and use it to fill up the same small canister over and over. In theory.
 
regehr said:
these look like lots of fun but I just take a partial canister and then also a full one, or save the partial ones for when I might want tea or soup on a day hike
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Thats what ive been doing. But its extra weight and takes up valuable space in pack.
 
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speaking of gas and temperature, apparently a bit earlier this winter in Alberta it was cold enough that a glass of propane was below its boiling point!!
 
regehr said:
speaking of gas and temperature, apparently a bit earlier this winter in Alberta it was cold enough that a glass of propane was below its boiling point!!
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Yes, I can believe it! That was a tough week here. A friend who lives north of Calgary posted this, and that wasn't the bottom- the low there that night got to -46. That's -51 in American.
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Back on topic (sort of), I know someone who has something similar to refill the 1 Lb "disposable" cylinders that he uses with a 2 burner Coleman stove on canoe trips. Apparently it works very well.
 
I bought another brand, G-works (made by a S Korean company) in 2022, and have used it for almost every overnight trip since. There are more options available now at lower and higher price points. I pop the the receiving canister in the freezer (hint: PV = nRT), and use a kitchen scale to tune the amount of gas based on the number of hot meals and conditions.

A few resources that may be of use:
 
fossana said:
I bought another brand, G-works (made by a S Korean company) in 2022, and have used it for almost every overnight trip since. There are more options available now at lower and higher price points. I pop the the receiving canister in the freezer (hint: PV = nRT), and use a kitchen scale to tune the amount of gas based on the number of hot meals and conditions.

A few resources that may be of use:
Click to expand...
Got the exact same thing and been using it two years. Weigh the canister as I go just like you to be safe. I’ll never go back to carrying partial canisters plus a full one again. This method solved my only nit with canister fuel. We hike year round but don’t have the intense cold issues that some poor souls do.
 
awesome links @fossana! I have some notes about canister weights but not nearly as many.

for consumption my overall starting point is a full 100g canister will be just about used up after a 3 night trip, cooking for 2.
 
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