Quote:
"If the temp is consistently below 20*F, you probably want the kind of stove that uses an inverted canister, such as the MSR Windpro II or (if you can find one) Kovea Spider."

Serendipitously, I recently bought a Kovea Spider (right off Amazon.com in fact, not like earlier when it was only on eBay).

I did a winter hike/campout on the side of Mt. Rainier last weekend and used it. Some learning curve required; I was trying to run it more full-throttle in inverted mode than I should have, and with temps at about 20F I'm not sure I should have even been inverting it.

But it seems well-built, and makes for a pretty small and light package for a canister type stove. No risk of exploding with the remote canister (for winter I had formerly wrapped copper wire around my snow peak canister stove and ran it up into the flame --- a little dicey and fiddly to setup and maintain, for me at least).

I don't miss my old whisperlite !
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Brian Lewis
http://postholer.com/brianle