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Running on cooking oil

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waveydavey:

--- Quote from: Range Rover Ron on March 25, 2008, 10:54:46 ---Diesel is it's self designed to have a "flashpoint" at a certain pressure, (the point when it ignites)
All fuels have a different "flashpoints", some needing ignition some combusting under pressure,
Mixing will not only affect the "flashpoint" but could do serious damage to your engine.

--- End quote ---

If we want to get like this that's not strictly true. Flash point is the point where in an open container if a flame is applied a 'flash' of flame will occur, that is no good for burning but very relevant for safety.

The critical point for Diesel is the SIT or self ignition temperature; again you can have it at any pressure and it won't ignite, what ignites is the temperature caused by the rapid compression.
LPG has a very low flash point (very very low) but a very high SIT; it will basically never burn without an ignition source.

Yes Rudolph had nothing to do with modern engines but the principles are still the same; if it's atomised enough and hot enough it will burn. The products and effects of these are each down to engine owner to decide on if they are happy with for a particular fuel

As for Biodiesel it is manufactured to replace Dinodiesel so has basically the same properties.

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