writes:

Sigh... No, they are not. By definition, trim systems (tabs, springs,
all-moving surfaces, moving horizontal tails, etc.) are used BY ALL
AIRCRAFT to relieve control pressures at the trim airspeed ...

And they generally do that by moving the control surface.

What you thinking about are servo tabs, spring tabs, spades, etc.
These are aerodynamic devices for reducing the force needed to move the
control surface away from the trim position, especially at high
airspeeds.

No, I'm thinking of the trim tabs themselves. When you adjust trim,
the tabs move, and deflect the control surface in the opposite
direction of their movement--thus relieving you of the effort required
to move those control surfaces. They relieve control pressures by
moving the control surfaces for you, but the control surfaces _do_
move.

The problem with "simulated" flying using a spring-centered joystick
(or wheel, like the nice CH ones) is that they are always fighting
their centering springs. Therefore, in order to simulate how a real
trim works, they actually move the control surface "neutral point".
And yes, that may decrease the remaining control authority available.
BUT THIS IS NOT HOW A REAL AIRCRAFT WORKS! For MSFS to replicate how
trim really works on your Baron, it would have to move the stick/wheel
while you move the trim in the simulation (not the phyical trim wheels
some joysticks (like CH) have).

The simulation is close enough for most purposes, given that this
doesn't even work the same way on all real aircraft.

--
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