Originally Posted by
shdw
This doesn't mean you can't teach someone to add power when speed is low, you can and should. But you should tell them that when they increase power they have to pitch forward to prevent a climb, that pitch is what actually controlled their speed.
So what do you tell the student who is flying a Lake Amphibian (with the propeller far above the wing) is happening when he adds power during stable, level flight? In this case the airplane pitches down and the student has to increase pitch to maintain level flight.
In most light trainiers and most airliners, the center of thrust is below the center of gravity. This means the aircraft will pitch up as power is added, and down when power is reduced. Not all aircraft are configured that way, however.