Robert M. Gary writes:

It totally depends on the plane. I used to fly a Globe Swift and I
never found any reason to need to touch the trim. The plane flew hands
off at whatever you pointed it to. I currently own a Mooney and I spend
more time in the pattern moving the trim than holding the throttle. The
entire downwind of a Mooney is rolling the trim back, slowing the plane
down.

Interesting. So what is it that's different between the two planes?
If the aircraft requires no trim, does that mean that control surfaces
stay where they are put, or what?

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