In article ,
The Natural Philosopher wrote:
Wrong yet again. Try harder. Look up the efficiency of various types
running at their 'sweet spot' as you want. You might just learn
something for once. But I doubt it.

no, dribble isnt far wrong in practice. Car engines dont run at anything
like the sweet spot' most of the time.

You seem to be falling into the dribble 'technique' of not actually
reading a post. Or following the thread.

Dribble started with the efficiency of an engine running at its 'sweet
spot' for generator use. That's what I was referring to.

If a car engine spends time idling in traffic, the efficiency is zero -
apart from any battery charging or cabin heating. So there is no such
thing as an 'average'.

--
*Always remember you're unique, just like everyone else.

Dave Plowman London SW
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