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Re: Octane?

In a message dated 2/11/05 2:28:26 PM Eastern  Standard Time, 
bvaleri@xxxxxxxxxxxx writes:
> The fuel property the octane  ratings measure is the ability of
the unburnt
> end gases to  spontaneously ignite under the specified test

This is  probably the crux of many misunderstandings.
Though I'm nowhere near a fuel  specialist, I see a distinction
between ignitability and burning slower.
A  fuel can have lower ignitability than another fuel, but once
ignited, both  burn at the same rate.

I'd venture that higher octane equates to  decreased ignitability,
not slower burning.
But then, I don't know much  about this subject.  <G>

You have sussed out the important  distinction, Bruno.

Tom Cutter  


End of oilheads-digest V2 #37