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1

I could be wrong but reverse thrust from the running engine helped to stop the plane1 as it was approaching at a great speed way over the recommended landing speed, so shutting the running engine off right at approach would have made the plane to overshoot the runway, making the situation worse. 1: Source: [...] The aircraft then rolled left seven ...


2

With the blade angle fixed at 3 deg, even with the engine torque at zero, it wouldn't help them. Think of it as a very small gyrocopter's free spinning rotor descending in autorotation straight down (they can do that); it's making enough lift to slow the descent quite a bit (some autogyros with special landing gear can do vertical landings). An engine with ...


2

The description of the accident says the propeller went to a flat pitch of 3°, which is still positive. At such angle, the air is trying to spin the propeller in the same direction as the engine, so the engine running helps the propeller spin. Only if the propeller went all the way to negative pitch would the engine be the air trying to spin it in opposite ...


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