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Thread: Just bought a Jon-E catalytic hand warmer

  1. #1
    Join Date
    Oct 2007
    Location
    Manitoba, Canada
    Posts
    915

    Just bought a Jon-E catalytic hand warmer


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    I just got one of these


    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.
    Last edited by sketchbag; 10-07-2007 at 05:03 AM.

  2. #2
    Join Date
    Apr 2007
    Location
    central ohio
    Posts
    10,062
    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.
    I offer professional knife sharpening 40 years of experience, 22 with the paper wheels. $1. per inch for a v edge, $2 for a convex. I sharpen all edges & "Ti" knives, serrations. plus i do regrinds. Check out my website.http://sites.google.com/site/richardjsknives/Home

  3. #3
    Join Date
    Jun 2005
    Location
    Georgia
    Posts
    1,367
    We used those back in the 1970s, I also had one that used the solid fuel sticks, both worked pretty good!

  4. #4
    Join Date
    Jun 2005
    Location
    Cumming, GA
    Posts
    709
    My brother has a Zippo, uses lighter fluid, works great.

  5. #5
    Join Date
    May 2003
    Location
    Upstate NY
    Posts
    2,017
    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. #6
    Join Date
    Jun 2007
    Location
    RI
    Posts
    330
    would someone be interested in sharing how they work, also?

  7. #7
    Join Date
    Oct 2007
    Location
    Manitoba, Canada
    Posts
    915
    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. #8
    Join Date
    Aug 2006
    Location
    Michigan
    Posts
    257
    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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