CESSNA 172 TRAINING MANUAL
Trim System
The Cessna 172 aircraft has a manually operated rudder and elevator trim
system.
One trim tab is provided on the right side of the elevator, spanning most of the
the rear section of the right elevator. The trim tab moves opposite to the control
surface, reducing the aerodynamic force on the control surface in order to hold
the selected position. Trimming is accomplished through the elevator trim tab by
turning the vertically mounted trim control wheel. Forward (up) rotation of the
by D. Bruckert & O. Roud © 2006 30
ELEVATOR TRIM:
NEW MODELS
ELEVATOR TRIM:
OLDER MODELS
Illustration 3d Trim tab Travel
Illustration 3e Trim Wheel
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