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I have the MKII tail with the Mac Servo trim for pitch and roll.  I also
installed a trim pot per the Mac specs which can be used to reduce the
voltage and slow down the pitch trim movement.  It is very sensitive but I
have no problems using the system.  It is very easy to use and the trim
adjustment is managable.

A word of advice, also install a small single pole switch in the pitch
circuitry, mount it low on your panel between your legs within the sixpack
area and use it to disable the pitch trim in normal use and turn it on only
when you use it.  This could be your "safety" switch" in the case of a stuck
trim button ie runaway pitch trim motor.

I have found that there are tremendous forces to neutralize trim setting to
maintain a previous attitude with even minor trim changes.

Also the approach to landing trim settings are easy to control and in all
reality the plane is a real joy to fly.

Bob Smiley
N94RJ

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Please send your photos and drawings to marvkaye@olsusa.com.
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