Motorised Tail and TTA

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Torque Tail Assist (TTA) - This is a feature used for helicopters with motorised tails. A motorised tail can provide high control authority in one direction. In the other it is greatly reduced as the motor can only turn in one direction. TTA is ised to add control authority in the other direction. It does this by rapidly accelerating the main motor. This acceleration provides torque in the oposite direction to the tail motor.

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