> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
Behalf
> Of Walter Banks
> Sent: 25 November 2011 10:42
> To: Microcontroller discussion list - Public.
> Subject: Re: [OT] model 12-cylinder engine
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> Peter Johansson wrote:
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> >  The trick, I imagine, would be building a
> > carburetor for a more efficient engine.
> >
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> The current engine controllers have efficient carburation. They use
> fuel injection with a model of the relationship between time of the
> incoming air and its location during detonation. The fuel metering is
> adjusted every 2-4 microseconds to get uniform mixing.
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I don't see how the fuelling could possibly be adjusted that frequently
when the injection duration itself is significantly (orders of
magnitude) longer, even on a direct injection gasoline engine.

Mike

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