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Just bought a Jon-E catalytic hand warmer

Discussion in 'Wilderness & Survival Skills' started by sketchbag, Oct 7, 2007.

  1. sketchbag

    sketchbag Banned by Moderators

    915
    Oct 1, 2007
    I just got one of these
    [​IMG]

    I filled it with methylhydrate (wood alcohol/methanol) to avoid the odors of lighter fluid.

    I'm really pleased with this thing, I wish I had known about them... since I was old enough to play in the snow. Best $15 I ever spent. And the methylhydrate was only $2.50/liter at walmart.
     
  2. richard j

    richard j

    Apr 1, 2007
    i used to have one many years ago. i only used lighter fluid in mine. after a while it seemed like the wick went bad or something and quit heating up properly.
     
  3. Tim the Slugman

    Tim the Slugman

    Jun 9, 2005
    We used those back in the 1970s, I also had one that used the solid fuel sticks, both worked pretty good!
     
  4. pinetree

    pinetree

    712
    Jun 24, 2005
    My brother has a Zippo, uses lighter fluid, works great.
     
  5. desmobob

    desmobob

    May 5, 2003
    I bought one years ago for ice fishing. I could never get it to stay lit. I spent more time messing around with it than getting any heat from it.

    Any tips?

    Stay sharp,
    desmobob
     
  6. xxguitarist

    xxguitarist

    330
    Jun 12, 2007
    would someone be interested in sharing how they work, also?
     
  7. sketchbag

    sketchbag Banned by Moderators

    915
    Oct 1, 2007
    The "burner" contains a platinum coil which acts as a catalyst, converting the methanol into formaldehyde.
    Not exactly sure about the naphtha. They say the coil has a life of 5000 hours.

    I havent tried this with lighter fluid so I cant really compare, but with methanol I only have to light the wick for a couple seconds and it'll kick up. It also takes several hours to "cool down" I disassembled it, left it sitting for about 1 hour, all the parts were cool to the touch, and when I replaced the burner it kicked back into action without even relighting it.
     
  8. Bwilson

    Bwilson

    257
    Aug 18, 2006
    Here's some advice for those of you that I hunt..........don't place a jon-e in a coat pocket that also has shells in it. I made that mistake when I was younger and the heat from the jon-e actually bent the plastic hull of a 12 gauge shell in half and the shot fell out in my pocket. The good lord above made sure it didn't go boom but it still scared the hell out me.
     

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