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| | |-+  Chinook Pass, Jan 3,4 2017
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Author Topic: Chinook Pass, Jan 3,4 2017  (Read 6777 times)
blackdog102395
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Posts: 307


Re: Chinook Pass, Jan 3,4 2017
« Reply #25 on: 01/07/17, 07:51 AM »

Or you can get real creative and make a heat exchanger https://backpackinglight.com/forums/topic/98947/

SotH, have you used this system?  I love the simplicity of the design and weight.  It's awesome that it needs no messing with during heating and cooking.  However, even though the author addresses the concern of the canister overheating, I can't help feel a little nervous about it blowing up.  Thoughts?  Experience?
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jhamaker
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Posts: 257


Re: Chinook Pass, Jan 3,4 2017
« Reply #26 on: 01/07/17, 08:08 AM »

RE: CANISTER STOVE.

Sounds like a rare mechanical failure.  One thing I like about them is so few parts that can fail.

REM: PV=nRT
The reason canister stoves work in the cold at altitude, but not cold closer to sea level.
Whisperlight to the rescue!
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telemack
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Posts: 1623


Re: Chinook Pass, Jan 3,4 2017
« Reply #27 on: 01/07/17, 11:37 AM »

FWIW, I've read that using an MSR Reactor with a canister immersed in a shallow water bath works well in winter conditions. 
You can place or tape a handwarmer to the bottom of the canister if you don't want to splash about with a warming pan.
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There is no cure for birth and death save to enjoy the interval.
George Santayana
BINX
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Re: Chinook Pass, Jan 3,4 2017
« Reply #28 on: 01/07/17, 08:44 PM »

Nice post Seth,
I'll bet it was cold, big difference between psyched and not psyched.
I'm with Robie as I'll buy  you and the Mrs. a cup of joe the next big dump at
Crystal. Buy the way, nice full page pic in Backpacker magaazine. Wink
See ya in the Gondy Line.
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kamtron
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Posts: 559


Re: Chinook Pass, Jan 3,4 2017
« Reply #29 on: 01/10/17, 03:00 PM »

Some Chilean mountaineering friends first told me about the idea of a heat exchanger using copper. They coiled the wire around the canister and had the other end near the flame. Even they, who were not the safest climbers to learn from, thought it was kind of sketchy. But necessary in the very cold, high altitudes of the Andes.
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podenski
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Re: Chinook Pass, Jan 3,4 2017
« Reply #30 on: 01/10/17, 04:46 PM »

Upright canister stoves really struggle at those temperatures. The water bath would certainly make a real difference. Even better and easier would be to use an inverted canister stove such as MSR WindPro II. This stove will work easily at those temps with the canister inverted.

http://www.cascadedesigns.com/msr/stoves/gourmet-cooking/windpro-ii/product

This is a good write up for using this stove in cold, winter conditions


http://andrewskurka.com/2015/gear-list-winter-backpacking-stove-system/
« Last Edit: 01/10/17, 04:49 PM by podenski » Logged
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