Old Savage Eddie
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SuzukiSavage.com Rocks!
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La Coruna, Spain
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Oil is a great insulator, I “drown” electrical circuits in oil to protect them from moisture and salt, especially in the marine environment. There should be no problems here, especially with such a low voltage. What got me thinking, is that our engine oil gets dirty and collects impurities. I still do not think this “contamination” would be sufficient to give us any false readings, especially in a 12-volt system. I did some tests today measuring the resistance o different engine oils, the results were all close to infinity. I decided to try my lawnmower oil because nothing is dirtier than old, used engine oil from a Briggs & Stratton engine…. The same outcome, the oil still showed extremely high resistance. My last test was running a 48V DC power supply connected to two electrodes, placed 0.5 mm apart, and dipped in the old B&S engine oil. There was no current flow detected. The testing I did does not guarantee that a certain type of oil or level of contamination (metal particles) in the oils could affect the outcome, but it gives me enough peace of mind to continue thinking that I could make this crazy idea work. I wish I had more time to take this further but during the next two months, I`m not gonna be home much. It's time to do now, what because of COVID, was delayed.
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