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DIY heating dry gloves

Discussion in 'Do It Yourself - DIY' started by shenzhen, Feb 21, 2013.

  1. shenzhen

    shenzhen Contributor

    # of Dives: 200 - 499
    Location: Russia
    93
    63
    I bought a carbon flex tape and have sewed it into an ordinary insulated fleece gloves.
    For every glove I used 145 cm of carbon. It powered by 12 V. Current is about 1,5A for one. I've tested it 50 min in water +1/+3. My fingers were absolutely warm.
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    Attached Files:

    johnohuk, Peter_C and rjack321 like this.
  2. Diver0001

    Diver0001 Instructor, Scuba

    0
    65
    ... why do I not see this ending well ... :D

    R..
     
    BenjaminF likes this.
  3. rjack321

    rjack321 ScubaBoard Supporter ScubaBoard Supporter

    # of Dives: 1,000 - 2,499
    Location: Port Orchard, Washington State
    11,262
    6,058
    Wow nice job. I'm somewhat surprised that 18w per hand is enough in water that cold.
     
  4. shenzhen

    shenzhen Contributor

    # of Dives: 200 - 499
    Location: Russia
    93
    63
    I've previously tested it with 10 watts per hand. After 30 minutes diving in the icy water my hands were freezing significantly. In one of the dives I applied power only on one arm and saw a very large difference between the temperature of the hands. Yes, 10 watts was not enough, but it's much better than nothing.

    The last model I made ​​with 18 watt carbon tape per glove and placed it as close as possible to the hands. To do this, bought sandwich insulated gloves: thin inner glove - insulator - thick outer glove. Removed the insulator - the middle layer. Then I sewn the carbon on the outside of a thin inner glove. On each glove connected the power button. Put on top thick outer gloves, connected the wires. Power supplied from 6 lithium ion battery attached to a belt under dry suit.
    I can say exactly, 18 watts is enough for ice water at any length dive.

    With a carbon ribbon is easy to work, and it is easy to place in any items of equipment. The next time I'll try to make a heated vest.
     
    Last edited: Feb 22, 2013
  5. Peter_C

    Peter_C Solo Diver

    # of Dives: I just don't log dives
    Location: Santa Rosa, CA
    5,889
    741
    Your DIY project is awesome! I am going to show it to my friend that gets really cold hands. I like everything except the lithium ion battery under the drysuit part. If you dive salt water and flood it could be a very painful burn, and will make a huge mess. I have seen can lights flood and it is ugly. Have you thought about using a canister mounted on your waist harness? You would then use an E/O cord brought thru the inflator valve.

    This might give you some ideas.
    Solar Heating - UTD Online Store
     
  6. elan

    elan DIR Practitioner

    # of Dives: 200 - 499
    Location: Toronto, Ontario, Canada
    3,316
    379
    You might want to revisit your core insulation. If you feel your hands freezing quickly it is ofter the indicator that the core is not insulated well. I had a similar issue which disappeared after adding 200g vest. 1-3C is normal temp here during winter.

    Cool project otherwise :wink: Is your lithium battery flood protected with a discharge controller ? If not it might be very unpleasant experience if you flood the suit.

     
  7. shenzhen

    shenzhen Contributor

    # of Dives: 200 - 499
    Location: Russia
    93
    63
    Of course, I'm planing to power it by a canister battery. It's just a test now.
     
    elan and Peter_C like this.

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