I have this plane, a Lockheed L-10, payware, for FSX. The L-10, I assume, had constant speed propellers, and in the aircraft.cfg and the air file, the props are assigned to that type (type=0). However, in the sim, the plane behaves as though it has a fixed pitch prop system: Moving the prop controls has no effect on the RPM. Well, almost no effect. You can see the RPM gauge register a very small change in RPM from max to min on the RPM lever. The RPM gauges show RPM changes only when the throttles are adjusted. This is expected behavior even with constant speed props, when you’re at a low power setting and the engine is incapable of maintaining the selected RPM. So, what may be happening in this case is that the RPM controls are just not doing anything (much). Not sure. Tried changing out the entire [engine] and [prop] section in the aircraft.cfg with those of other, “known good” planes, but this has no effect on the problem.
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