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Saturday, May 5, 2007

Tpis 4 : Trimming the Plane

The word “trimming” refers to the adjusting of your airplane controls during a flight so that the plane flies straight and level without you making any control inputs. Sometimes a model airplane will want to veer in one direction or another because of the motor's torque or perhaps some distortion or construction defect is affecting the aerodynamics. This may not be critical but you'll need to learn about this characteristic of your plane, and fast, so you can fly it properly.

The small trim tabs located on the transmitter are used to fine-tune the controls. These too can vary from one transmitter model to another. What you are doing is putting in a constant adjustment to the flying controls to balance the defect affecting the airplane.

Once the trim tab has been moved, allow your model plane to fly on its own for about 10 seconds to check that it is flying straight and level, and then, if necessary, you can make further small adjustments until you get it right.

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