> I found a dummy load construction project in the '92 ARRL Handbook.
> It calls for a "Carborundum Resistor, P/N 889SP500k". It appears to
> be a longish rod, that you place in an oil bath for heat dissipation,
> up to 1500W. Does anyone know where one would get one of these parts?
Whatever you do, just be sure the resistor is designed to be
submerged in oil. Some resistors are not coated, and gradually
soak up oil causing resistance to increase over time.
73, Tom W8JI
W8JI@contesting.com
--
FAQ on WWW: http://www.contesting.com/FAQ/amps
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
|