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The forward propeller stopped rotating but due to the nature of the failure the aft propeller kept turning, producing negative thrust. At this point the flight crew increased power to the remaining three engines but a problem with the RPM sensors on one of them led to automatic engine shut-off.
In this mode the rotors provide thrust as a propeller, and the airfoil of the fixed wings takes over providing the lift via the forward motion of the entire aircraft. Since the rotors can be configured to be more efficient for propulsion (e.g. with root-tip twist) and it avoids a helicopter's issues of retreating blade stall , the tiltrotor can ...
Turning the engine" with the ignition and switches accidentally left "on" can also cause injury, as the engine can start unexpectedly when a spark plug fires. If the switch is not in start position, the spark will occur before the piston hits top dead center, which can force the propeller to violently kick back.
A British aircraft carrier that had been set to lead the largest NATO exercises since the Cold War will not set sail Sunday after a problem with its propeller was discovered during final checks ...
Exploded, broke up, and crashed off the coast of Long Island 30 minutes after taking off from New York bound for Paris due to a catastrophic central fuel tank explosion resulting in the forward fuselage section, which included the main flight deck first class and a portion of business class, separating and causing the remaining section to climb ...
Counter-rotating propellers are sometimes used on twin-engine and multi-engine aircraft with wing-mounted engines. These propellers turn in opposite directions from their counterpart on the other wing to balance out the torque and p-factor effects. They are sometimes referred to as "handed" propellers since there are left hand and right hand ...
The propeller problem was overcome by replacing the de Havilland variable-pitch propellers with Fairey Reed fixed-pitch propellers, modified aircraft being re-designated the DHA-3 Mk. 1F. All but the three aircraft that had crashed by that time were brought to this standard. The propeller change however did nothing to improve the type's ...
The model was just 23-years-old when she walked into a plane's propeller in the dark, losing an eye, a hand and suffering brain damage. Because her tragic story made news headlines that night, the ...