Translational lift
The extra rotor efficiency a helicopter gains as it moves forward (or into wind) and the rotor flies into undisturbed air, typically becoming marked around 16–24 knots ("effective translational lift").
Related terms
The extra rotor efficiency a helicopter gains as it moves forward (or into wind) and the rotor flies into undisturbed air, typically becoming marked around 16–24 knots ("effective translational lift").