main rotor

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

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Noun

main rotor - rotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air

rotor - rotating mechanism consisting of an assembly of rotating airfoils; "there are horizontal rotors on a helicopter or compressor rotors in a jet engine"

rotary wing, rotor blade - the long airfoil that rotates to provide the lift that supports a helicopter in the air

rotor head, rotor shaft - the axis around which the major rotor of a helicopter turns

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References in periodicals archive ?

Immediately after impact he saw the four main rotor blades, still connected at their hub, hit the water.

I SAW COPTER ROTOR FALL OFF; Witness tells of disaster as gearbox blamed

Their helicopter burst into flames after its main rotor blade hit a sand dune.

PILOT AVOIDS CLIFF SMASH

Manufacturer and designer of helicopters Sikorsky Aircraft Corp said on Wednesday that it has received Federal Aviation Administration (FAA) approval to grant life extensions for the Main Rotor Hub on the company's S-92 helicopter platform.

Sikorsky receives FAA approval to employ HUMS data to extend life of S-92 helicopter Main Rotor Hub

The report said that having probably entered cloud, the helicopter entered a rapid descent and the main rotor blades struck the tailboom.

Legend's death a mystery

Goodrich to develop main rotor actuator and hydraulic power supply for Russian Helicopters

A complete record ensures no one will have to remove the main rotor head or the drive train system for maintenance that's already been done.

Keep good maintenance records!

A witness said the helicopter was flying erratically before the main rotor blade struck the water, and the helicopter subsequently landed on its side in the water.

Robinson R22

Pathologist Dr David Sadler, of Dundee University, said they were "consistent with the main rotor having sliced through the cabin of the aircraft.

Crash copter rotors ripped cabin apart; FAI told of midair horror

Limited Tenders are invited for Invitation Of Quotation For Procurement Of Main Rotor Blade And Tail Rotor.

Invitation of quotation for procurement of main rotor blade and tail rotor

Aerospace and defence company Aerojet has been selected by The Boeing Company to supply heavy alloy weights for Boeing's revolutionary Composite Main Rotor Blade (CMRB) in support of the AH-64D Apache Block III (AB3) programme.

Aerojet awarded contract by Boeing for Apache Helicopter Block III components

Standing on unsupported areas of your bird--like the main rotor fairings, panels, engine inlets, upper pilot windows and APU vent screens--is guaranteed to lead to damage.