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Old 10-15-2020, 06:35 AM
design4p design4p is offline
Join Date: Jul 2018
Location: CORWEN
Posts: 44
Default Auto Pilot Flight Director


Now completed my build (RV14A) and now configuring my (full suite of) Garmin avionics with Van's trim servos. Still on the ground - not flown yet.

I appear to have all the correct trim movements including when using the Auto Pilot as per the configuration instructions ie heading left/right and pitch up/down. However, the G3X on screen Flight Director image and instruction appear to be the opposite.

When the Flight Director says 'Trim Down' I have to move the GMC507 wheel to the 'Up' direction to centralise the on screen image.

I would be most grateful of assistance to solve this concern I have.

Regards John
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Old 10-15-2020, 01:40 PM
BobTurner BobTurner is online now
Join Date: Dec 2011
Location: Livermore, CA
Posts: 7,031

Without regard to your actual question (?), Id urge you to triple check elevator trim direction, as those on vaf who are DARs report frequently finding it backwards. Elevator tab up for nose down, and vice versa.
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