Originally Posted by
abdunbar
Does anyone know? If you have a 737 Max , airborne, flaps up, really high speed, full nose down trim, electric stabilizer trimming motors shut off, how much back pressure does it take to raise the nose with the elevator? While applying this large force to the elevator, how much force is required to turn the stabilizer trim hand wheel? How many turns of the hand wheel per degree of stabilizer trim. In other words, is it possible to get into a position in which it is impossible to recover, not enough elevator authority due to force required and or inability to retrim the stabilizer manually due to it binding from a combination of speed and forces being applied through the elevator.
As FCEng says in post #1946 you
cannot overcome the StabTrim with elevator at high speed.