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That high flash point is the entire reason for the MF engine's ultra high compression ratio. Gasoline just doesn't want to compression ignite... and when it does, its high octane makes it burn too slowly. It really hurts your efficiency if the fuel is still burning when the exhaust valves open...

Getting me to write stuff is easy, getting me to shut up is much more difficult. If you want the nuts and bolts practical details of using alternate fuels, Stampy is your guy. I have been studying the use of alternate fuels for a long time, but Stampy has been out there actually doing it. -Chuck

Yes, that is correct. The IP gets its lubrication from the fuel. As I understand it, the MF injection pump is made of hard, polished, steel parts, which need minimal lubrication. Even gasoline is slippery.... many an old car has an electric fuel pump that is of the gear style, like an oil...

Vegetable oils are esters of glycerol. Esters are the result of reacting an organic acid, with an alcohol. In the case of vegetable oils, it is acids like steric, oleic, etc. reacted with alcohols like glycerol. Basically, you can't have a vegetable oil without glycerol. Biodiesel keeps the...

What is the concern about glycerin? There is no glycerin in vegetable oil. The glycerin only comes about as part to the saponification process used to chemically convert vegetable oil into biodiesel... and then because of the density difference, the glycerin readily separates out. So, why the...

One thing of note about centrifuges, they hold onto the heavy stuff, but release the lighter stuff. So if your oil has any light weight contaminants (sawdust, Styrofoam beads, etc), they will pass through the centrifuge like the oil. It might be a good idea to filter the oil before use.... Oh...

I'd shovel the goo out, and give it to the oil recycling containers at the local dump/transfer station. -Chuck

Thanks! Now I know what sized aluminum billet to look for. -Chuck

How big in diameter are the centrifuge drums? How fast are they turning? Thanks! -Chuck