DuaneFamly@aol.com wrote:
> If you can't peak the mixture on these carbs then how do you keep from
> fouling the plugs? Are the carbs possibly tuned to say 8000 ft and you are
> just slightly out of proper mixture when you first take off but it gets
> better the higher you fly until you pass through the best peak then go away
> from peak if you go higher but you never get so far away that it's
> noticeable? How are the exhaust temps from those that are flying?
Indeed. For its O-320 engine, Lycoming graphs various stuff vs. mixture control
setting. EGT varies by 350 F-degrees, between full rich and the bottom edge
of best-economy range. However, % of power change in this range of mixture
setting
is only a few %. However, fuel consumption varies a lot.
Regards,
Fred F.
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