Quote:
Originally Posted by Crumpp
There is no such thing as a direct injection aircraft engine in General Aviation. All fuel injection is single point injection much like the Allied designs of WWII.
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Actually pairs of these things fly over my head every day...
Quote:
Originally Posted by Crumpp
In a direct injection engine, there is almost no variation in CHT or EGT between the cylinders.
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CHT is dominated by cooling; EGT is dominated by stoichiometry. CHT variations are an inevitably fact of life for air-cooled engines.
Quote:
Originally Posted by Crumpp
It is that temperature variation that robs a single point fuel metering system of power.
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A perfectly reasonable statement
if and only if you are comparing identical intake conditions.