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Re: [multimachine] OT: need a low temp heating element-metal

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  • girlguidebiscuit
    Nichrome wire. http://en.wikipedia.org/wiki/Nichrome When you know the resistance per foot of length, and voltage, it will be easy to calculate (if you can do
    Message 1 of 4 , May 9 1:16 PM
      Nichrome wire. http://en.wikipedia.org/wiki/Nichrome

      When you know the resistance per foot of length, and voltage, it will be easy to calculate (if you can do simple algebra) amperage using the formula A = V / R. Watts = V * A. Substituting one in the other gives W = voltage squared / R.

      Hope this helps
      Paul.

      --- On Fri, 10/5/13, Chris Tofu


       


      If you wanted to build a dry forced air blower, redundant, basically a very low wattage (around 100 watts), what would you use for a heating element/coil? And it needs to operate at 12vdc, iow a car battery.

    • twofouroh
      The heating element from a 1500 watt hair dryer would be a little over 100W if you ran it at 12V instead. If it s too hot, try one from a 1200 or 1000 watt
      Message 2 of 4 , May 9 6:50 PM
        The heating element from a 1500 watt hair dryer would be a little over 100W if you ran it at 12V instead.  If it's too hot, try one from a 1200 or 1000 watt one.  You would very likely need a different blower motor though.

        Scott B


        On 5/9/2013 2:18 PM, Chris Tofu wrote:
         


        If you wanted to build a dry forced air blower, redundant, basically a very low wattage (around 100 watts), what would you use for a heating element/coil? And it needs to operate at 12vdc, iow a car battery.


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