main rotor


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Related to main rotor: rotor blade, tail rotor, teetering rotor

main rotor

main rotor
The rotor that supplies the principal lift to rotorcraft.
References in periodicals archive ?
"This is an even bigger achievement for FRCE, using our printers to make polymer AM repair parts on H-53E main rotor blades that will enter the supply system and be used by the fleet."
Second, the peak values of the controls (e.g., main rotor collective and longitudinal cyclic blade pitch angles) are the smallest for the 1st closed-loop system.
Reduced demand for power to the main rotor during cruising means one engine can be turned off, an operation aided by a 300V stop-start system that hints at the emergence of electrified solutions in rotorcraft.
A report by the Air Accidents Investigation Branch (AAIB) found that the gearbox failure caused the main rotor on the AS332-L2 model to break away and its "tail boom" got severed from the fuselage.
PALV's main rotor moves slower than a helicopter's rotor, making it quieter and letting it take off and land at lower speeds.
All three of the Eurocopter EC135 aircraft were brought in for checks after cracks appeared in the main rotor hubshaft flange on models elsewhere in Europe.
It follows the discovery of a fault in an air ambulance in Scotland last month when a crack was discovered on the main rotor hub.
A safety warning was issued by the European Aviation Safety Agency (EASA) after a crack was discovered on the main rotor hub of a Eurocopter EC135 aircraft in Scotland.
A crack was discovered on the main rotor hub of one Eurocopter EC135 helicopter, prompting a safety warning by the European Aviation Safety Agency (Easa).
The equipment rolled toward a taxiing helicopter a short distance away and inevitably headed under the tip-path of the rotating main rotor blades.
The corrosion was so bad that they had to remove the assembly, which fits over the main rotor shaft and rests on the top of the main gear box.
Among the S-76D helicopter's features are all-composite, flaw-tolerant main rotor blades; an advanced Thales avionics system and autopilot; dual rotor speed for quiet mode operation with active vibration control; Pratt & Whitney 210S engines; a quiet mode; and an optional Rotor Ice Protection System (RIPS) for all-weather capability.