Just something that may be useful---after spending many years in AK roaming the Brooks and the interior. I picked up a useful tip from dog Mushers. Alcohol stoves are the only thing that can be relied upon when temps get down to cold (35-50 below). I've tried most stoves and a can of pure alcohol is the only thing that can be relied on. No pressure to try to maintain, no o rings that fail to seal, just good old alcohol , a candle and waterproof matches. Works first time, every time.
Good Hunting
Lj