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Subject:Re: Engine management (manual control of mixture)
Date:Sat, 15 Jan 2000 09:08:49 EST

I don't know if this would work well unless you are cruising with cruise
control set at one particular rpm on a straight, flat road.  Isn't the
computer changing the mixture to get the best possible mixture for
accelleration, and deceleration as well.  So if you set your mixture manually
and then had to slow down or speed up, you would be running lean or rich
(unless you were manually turning the mixture up and down by hand).
The nice thing about doing this in an airplane is that you are cruising while
doing this.  You get to the altitude you want for the next hour or so and set
your mixture and then you go straight and level for that time until you get
ready to change course or land.  Aircraft engine operation and automobile
operation are just so different.  A car engine is constantly going from 800
rpms up to 4000 rpms and back again.  An aircraft engine spends most of its
life at one particular rpm unless you are taking off, landing, climbing, or
decending, (relatively short spurts).

Any posts telling me I am totally wrong and stupid (which is the case most of
the time anyway) are welcome :)

Thanks,
Ken Wilford
http://www.vanagain.com
John 3:16
Office (856)-765-1583
Shop (856)-327-0027
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