Paul kgyy writes:

When you're climbing, airspeed is less and engine power is higher,
generating more heat in the air cooled cylinders. A rich mixture
helps keep cylinder temps under control because more fuel is
evaporated than is burned.

But if you are, say, at 9000 or 10000 feet, don't you risk losing a lot of
power just when you need it most if you set a rich mixture?

The POH for the Baron I fly in the sim says "full rich or as required for
altitude," IIRC. Unfortunately it's not very specific about exactly how to
determine the correct mixture at higher altitudes.

If you want a good education on piston engine management, read through
John Deakin's articles in Avweb.

I think I have; I recall it being quite good, albeit complicated.

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