kdheath

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Is aileron differential beneficial on most/all aircraft? It sounds like it from a previous (bojangle's) post. I have a WM trainer and am curious if it would make a noticable difference. It has a single servo in the bottom of the wing that is attached to torque rods on the strip ailerons.

Thanks,
dano13
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Depends on the airplane design. High wing, Cub-like scale ships and trainers tend to require some rudder to make a coordinated turn. In a Cub, when you roll in aileron, the drag created by the down aileron yaws the plane in the opposite direction to the desired turn. This is called yaw coupling-yaw results from the roll. The rudder is not there to make the plane turn as much as it is there to stop the plane from turning (the wrong way). Diffy ailerons reduce this yaw coupling and reduce the need for rudder input to make a coordinated turn.

Now, if you fly a high-performance low- or mid-wing design (like a pattern ship), it will roll with ailerons and show little if any yaw coupling. So the diffy ailerons aren't needed. Any bits of yaw or roll coupling can be dialed out with a computer mixing radio.

On your trainer, it sure won't hurt to have diffy. It might not be noticeable, but then it might. Try it-it may fly a little nicer.