Oct 24, 2011 at 1:02 pm #1281042al bBPL Member
What happens of a hiker drops their sole resealable disposable gas cannister, and it gains a small dent:
does this mean cold drinks and dinner from then on?
or is there some minimum level of damage depending on location of dent?
I am beginning to prefer the quietness of meths(alcohol).Oct 24, 2011 at 1:11 pm #1794393Neil JohnstoneBPL Member
No, not unless you manage to puncture it or damage the screw thread so you cannot attach the stove.Oct 24, 2011 at 1:16 pm #1794395Dale WambaughBPL Member
@dwambaughLocale: Pacific Northwest
Wouldn't bother me, unless the valve itself was damaged.
Yeah, canisters can be noisy. Try an MSR Dragonfly if you want to wake up the whole camp– sounds like a jet taking off on a short runway :)Oct 24, 2011 at 2:08 pm #1794427Roger CaffinModerator
@rcaffinLocale: Wollemi & Kosciusko NPs, Europe
A small dent from dropping? Unlikely to be a problem. I've seen dented canisters for sale in the shops even.
A dent from being hit with a larger heavy sharp metal object? Hum … a different matter. Discretion required there.
As long as the valve section is not damaged, it should normally be OK.
CheersOct 24, 2011 at 2:13 pm #1794430carl beckerMember
@carlbeckerLocale: Northern Virginia
It is not food so as long as I can screw the stove on, it has gas and will set up well enough to boil water on it is a go. Internal pressure will go down as the fuel is used up or it gets colder. I try never to solar heat a can in summer.Oct 24, 2011 at 2:16 pm #1794433Sarah KirkconnellBPL Member
@sarbarLocale: Homesteading On An Island In The PNW
100's of canisters I have used and a good 1/4 of them had dents. It has never affected them. The only real issue is if a person tried to puncture one with say a screwdriver!Oct 24, 2011 at 2:42 pm #1794447Brad WalkerMember
If the canister gets dented and isn't leaking yet (and valve isn't damaged), using it shouldn't make it worse.
In fact, unless you're using a shunt or other method to warm the canister, it will cool (from evaporation) when you use it. That, coupled with using some of the fuel inside, will decrease pressure inside–safer!
That's my pseudo-professional but untested opinion.Oct 24, 2011 at 4:41 pm #1794492Hikin’ JimBPL Member
@hikin_jimLocale: Orange County, CA, USA
Dents are pretty common. I've never had a problem, but I would worry if a big dent occurred at the junction of the base and the "dome" of the canister. Still, if it's not actively leaking, I would still use it, especially if out on the trail.
Rust on the other hand — I have seen canisters left out that rusted and became unsafe.
HJOct 24, 2011 at 4:52 pm #1794494USA Duane HallBPL Member
@hikerduaneLocale: Extreme northern Sierra Nevada
For my empty canisters, I puncture a hole in them to make them safe to dispose of. The last one took numerous hits on the bench vise to make a hole in the bottom. They are quite well made.
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