Re: Homemade 100W resistor?

Claus Jensen wrote:
Large wattage resistors are quite expensive and I am always needing
different values in the 1-20 ohm range.

Can anyone tell me the best way to make a 100W resistor out of found
or inexpensive materials as in homemade construction? Something with a
sliding tap to adjust resistance would be handy.

100W would be ideal, but if that is not practical I could accept a
smaller rating and run them in parallel.

Thank you for any advice on this topic.

Claus J.


Hi, Claus -

I bought a toaster at a garage sale for $.50 and it made a dandy 16R, 900W resistor for DC loads. I later dismantled it and made several resistors from it. Two of them were 12R at 300W.

Cheers,
John
.

Relevant Pages

  • Re: Homemade 100W resistor?
    ... different values in the 1-20 ohm range. ... Can anyone tell me the best way to make a 100W resistor out of found ... or inexpensive materials as in homemade construction? ... Phil Hobbs ...
    (sci.electronics.design)
  • Re: Homemade 100W resistor?
    ... different values in the 1-20 ohm range. ... Can anyone tell me the best way to make a 100W resistor out of found ... or inexpensive materials as in homemade construction? ... smaller rating and run them in parallel. ...
    (sci.electronics.design)
  • Re: Homemade 100W resistor?
    ... different values in the 1-20 ohm range. ... Can anyone tell me the best way to make a 100W resistor out of found ... or inexpensive materials as in homemade construction? ... Phil Hobbs ...
    (sci.electronics.design)
  • Re: Adapting mismatched fuel gauge and sending unit
    ... gauge to a sending unit with the wrong ohm range? ... to use a particular fuel guage that expects a 30-240 ohm range, ... If you could get inside the gauge cluster and see if there is a series ... the resistor value to get a wider range. ...
    (rec.autos.tech)
  • Re: Homemade 100W resistor?
    ... different values in the 1-20 ohm range. ... Can anyone tell me the best way to make a 100W resistor out of found ... hunt up on E-Bay as well. ...
    (sci.electronics.design)