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Old 03-12-2011, 05:37 PM
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Stoneke
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Default Servo torque question II

A couple of days ago I asked a question on the flap servo for my Byron AT6. My linkage binding problem was solved through excellent suggestions by forum members. However, one member questioned whether I had sufficient torque for the size of flaps. Checking the instructions, Byron doesn't specify a particular size of flap servo, other than to suggest a heavy duty servo. Other control surface servos are suggested to be a minimum of 48 oz/in. All of mine are the Futaba 89 oz/in size.
The AT6 has a three section flap driven by one center mounted servo, which is a Futaba analog @ 89 oz/in size. The total flap size is 60" in width by 3". Any thoughts on what torque rating I should be looking at. I have yet to fly this plane, so I don't have any flap operational experience.