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Originally Posted by Jimmy Joe
What about lubricating qualities of a heated blend? This is of course going to be ultimitely variable with percentage, types of fuel/oil used, but through testing a rough approximation standard could be developed.
If I were going to do blends, I would be concerned about this.
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This is a good question and I don't know the answer. I suspect that the lubrication qualities are good up to the temperature where the oil smokes. IIRC, that is when the fatty acid chains molecularly rearrange themselves to form trans and/or CIS fats. Or maybe they carbonize and form free fatty acids, something like that.
I have a real good link somewhere about veg oil chemistry if anyone is interested I can probably find it. Just don't read the part about the synthetic fats that are in the food chain, it may make it hard to sleep at night.
Besides, my buddy will probably give me an injection pump if I really need one.