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It's called "autorotation". In a steep descent, the air traveling through the rotor system keeps the blades spinning. They actually glide a bit, kind of like a Frisbee, so the descent isn't that bad. Once near the ground, flaring the helicopter to slow forward and downward speed actually imparts more inertia into the system which can be used to further slow the descent and cushion the landing as the energy is exchanged.I know this is off the subject, but in the article it said the pilots of the helicopter could land even if the helicopter had no power.
Maybe someone out there who has actual pilot experience can explain how that is possible ? I'm just curious, is there some kind of backup power that would keep the rotor spinning ?
I know this is off the subject, but in the article it said the pilots of the helicopter could land even if the helicopter had no power.
Maybe someone out there who has actual pilot experience can explain how that is possible ? I'm just curious, is there some kind of backup power that would keep the rotor spinning ?
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