Yes, that is how a real constant speed prop works.
The pilot cannot choose the angle of the blades, he chooses the rpm and the blades adjust automatically to keep the desired rpm, so that for instance, in a dive the blades would get more and more coarse to try to keep the desired RPM as speed increased, and in a climb they would go to finer pitch to keep RPM up as the aircraft slowed.
The lone exception to this on US aircraft is the Curtiss Electric Propeller. It could work in 2 modes, as a normal constant speed prop, as described above, or the pilot could go to a manual mode where it worked as a variable pitch prop, like a 109 with it's auto prop disabled, where the pilot directly sets the blade angle. It is not modeled correctly in the sim on the P 40 and P 38 aircraft that used the Curtiss Prop.
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Personally speaking, the P-40 could contend on an equal footing with all the types of Messerschmitts, almost to the end of 1943.
~Nikolay Gerasimovitch Golodnikov
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