Re: Dummy Load Resistors & Motor Oil
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I caution against use of linseed oil. Once oxidized it can sponteously combust. With heat added this becomes even more dangerous. At one time I coated my cedar deck with linseed oil on a hot day. Later in the day I was surprised to find my deck smoking and one corner actually spontaneously began flaming in front of my eyes. Mineral oil is the only type of oil that is used in electric radiator type of heater and for a good reason...
--Ron N7FTZ
Motor oil is slightly acidic.. .you don¡¯t want to use it. ? ? Motor oil might be good for high temperatures but what are its electrical properties? I believe most motor oils have a corrosion inhibitor, a wear inhibitor and some kind of detergent.? There are probably several other ingredients. I have never heard of anyone using motor oil for its dielectric strength.
From: "Steve Sawicki via " <ab2et@...>
To: [email protected]
Sent: Sunday, November 1, 2020 5:15:21 PM
Subject: Re: [BITX20] Dummy Load Resistors If you use the Linseed oil since it will with heat go "rancid" with use.
The better solution is to use the new ALL Synthetic motor oil, much better since it was designed for use in "High" Temperatures.
73's
Steve
AB2ET/4
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