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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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What's the smoke point of engine oil?
I've been using engine oil as a coolant for high power resistors but
am wondering whether something like peanut, sunflower or avocado oil would be better. Engine oil gives off an awful smell when it breaks down, smells like rotten eggs. Can't find transformer oil. Any thoughts? |
#2
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What's the smoke point of engine oil?
On Apr 1, 6:14*pm, " wrote:
I've been using engine oil as a coolant for high power resistors but am wondering whether something like peanut, sunflower or avocado oil would be better. Engine oil gives off an awful smell when it breaks down, smells like rotten eggs. Can't find transformer oil. Any thoughts? Yucky things will grow in vegetable oil. May I suggest hydraulic oil? The only additive is anti-foaming stuff. Hydraulic oil can get really, really hot before it begins to break down. You are probably smelling additives in the oil, not the oil itself. Can your oil move up through the resistors as it gets hot? Paul |
#3
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What's the smoke point of engine oil?
Transmission oil would be much better. It is a heat coolant.
Martin wrote: I've been using engine oil as a coolant for high power resistors but am wondering whether something like peanut, sunflower or avocado oil would be better. Engine oil gives off an awful smell when it breaks down, smells like rotten eggs. Can't find transformer oil. Any thoughts? |
#4
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What's the smoke point of engine oil?
wrote in message ... I've been using engine oil as a coolant for high power resistors but am wondering whether something like peanut, sunflower or avocado oil would be better. Engine oil gives off an awful smell when it breaks down, smells like rotten eggs. Can't find transformer oil. Any thoughts? Mineral oil. Art |
#5
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What's the smoke point of engine oil?
In article ,
"Artemus" wrote: wrote in message ... I've been using engine oil as a coolant for high power resistors but am wondering whether something like peanut, sunflower or avocado oil would be better. Engine oil gives off an awful smell when it breaks down, smells like rotten eggs. Can't find transformer oil. Any thoughts? Mineral oil. Art PCB Oil. You might have to take the Wayback Machine back a few years to buy it though. Oh, and don't mention it to the EPA. Double- As for real transformer oil: They gotta be getting it somewhere. It's just highly refined mineral oil. Google yielded 760,000 listings. Grainger is one supplier. There's even one product made from soybeans. /stream-of-unconsciousness |
#6
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What's the smoke point of engine oil?
On Apr 1, 7:14*pm, " wrote:
I've been using engine oil as a coolant for high power resistors but am wondering whether something like peanut, sunflower or avocado oil would be better. Engine oil gives off an awful smell when it breaks down, smells like rotten eggs. Can't find transformer oil. Any thoughts? The Heath Cantenna just used mineral oil, used to be available by the gallon from the drug store. Handled a kilowatt and was parked in a gallon can, so that might give you some idea of what you might need for volume. There are various additives that are in engine oil for anti-wear properties, added to the mineral oil base. You aren't going to need those and they're the source of the smell, they contain sulfur. If your project gets that hot, you need more oil! Vegetable oils generally will go rancid, jell, get wildlife growing in them, absorb water and do other things that mineral oils don't. Unless you're making a turkey fryer, give them a pass. Transformer oil is just purified mineral oil, moisture-free. Can still be had from the right suppliers. Might have to buy a barrel, the retail market is kind of small. Stan |
#7
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What's the smoke point of engine oil?
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#8
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What's the smoke point of engine oil?
On Apr 1, 10:36*pm, "Artemus" wrote:
Mineral oil. Art Mineral oil it is. Thanks. |
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