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Dummy load fluid

fourstringburn said:
Can be found on the same aisle as the muffler bearings just below the shelf which stocks the all the cordless extension cords!
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upload_2018-10-4_0-5-6.jpeg
 
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snow bird said:
A T F works just as good For a lot less &&&&
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I'm just about to build an oil-cooled dummy load by inserting an air-cooled one with two parallel 100ohm Carborundum resistors in a frame, into a stainless pot and filling it with ATF. I'll not be running any more than 100W into it, for now, until I get something more powerful to try out.
I'll let you all know if I burn my house down. :)
Digging around, there seem to be plenty of people who've run ATF-filled dummy loads for years, with no downside.
 
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Bandrunner said:
I'm just about to build an oil-cooled dummy load by inserting an air-cooled one with two parallel 100ohm Carborundum resistors in a frame, into a stainless pot and filling it with ATF. I'll not be running any more than 100W into it, for now, until I get something more powerful to try out.
I'll let you all know if I burn my house down. :)
Digging around, there seem to be plenty of people who've run ATF-filled dummy loads for years, with no downside.
Click to expand...
Food grade mineral oil is what i went with mostly because of the covid shut downs at the time.
The mineral oil is really a better choice to atf should you have an issue or need to service. Also be sure the manufacturer says the resistors are ok to be immersed in a petroleum based oil.
 
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Handy Andy said:
The MSDS shows it's pretty inert

I'm remembering a movie called "Private Benjamin". Her army basic training company was going to crawl through a minefield, and the drill sergeant announced that "Most of the mines are inert. However, some are ert." Thought I was gonna die laughing at that one.
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