Originally Posted by
Lake1952
Light aircraft pilot since the mid 70s... under what circumstances would a 737 variant require full UP trim or full DOWN trim? On the aircraft that I have flown, the trim spends all its time somewhere in the middle of the range. So again I ask, what purpose is there to having such extreme ranges of trim that it requires huge control forces to counter?
the speed envelope and cg envelope on a swept wing, transport category aircraft is much greater than a GA aircraft.