rotor head

(redirected from rotor hub)
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Noun1.rotor head - the axis around which the major rotor of a helicopter turns
axis of rotation, axis - the center around which something rotates
main rotor - rotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air
References in periodicals archive ?
Limited Tenders are invited for Supply Of Rotor Hub Cover
Other features that will be welcomed by any busy laboratory include the self-opening lid, which enables single-handed operation, the quick release rotor hub, which allows for easy rotor exchange, and the built-in breaking system for rapid sample processing.
Makers Eurocopter and operators Bond Air Services raised the alarm when a crack was found in the main rotor hub shaft of an EC135 Type 2 in France in July 2012.
Police Scotland said: "In July 2012, we received a safety information notice from Eurocopter after a crack was found in the main rotor hub shaft of an EC135 helicopter in France.
As quickly as contact was made, the helos started to diverge from their entangled embrace and the rotor hub strained to adjust to the increasing vibrations from the seven delaminating titanium blades.
Powered by two Pratt and Whitney Canada PW207E engines, the MD Explorer features a fully articulated main rotor system, bearingless composite flexbeams and rotor hub.
The two-tower sections will be erected first, with the nacelle, the rotor hub and blades then added.
The company recently grounded and then reinstated its EC135 model of helicopters after cracks were found in a rotor hub shaft.
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).