rotor head उदाहरण वाक्य

The 80 hp ( 60 kW ) Genet Major I . The C . 19 Mk IIA, introduced in 1930, had a longer travel undercarriage and improved rotor head.
For systems that are hinged at some distance from the axis of rotation ( such as a fully articulated rotor head ) the phase lag is less than 90 degrees.
The rotor head was salvaged from a crashed Sikorsky S-58, at a price of $ 50, 000 as opposed to as much as $ 1 million for a new head.
Although largely replaced by gear-driven " rotor heads " by the 1990s, impact sprinklers still have many advantages, including uniformity of coverage, sand and grit resistance, and operation at lower water pressures.
Westland did progress as a private venture a large space-frame cargo helicopter design using a Sikorksy rotor head-the Westland Westminster-but this was dropped later in favour of the government funded Fairey Rotodyne.

In summer 2015, Marenco halted flight tests after 100 flight hours to focus on producing the second prototype, P2, which incorporated a modified bearingless rotor head and new rotor blades to reduce vibrations.
While Sikorsky chose a fully articulated rotor head with elastomeric bearings, Boeing Vertol chose a rigid main rotor design, based upon technology supplied by MBB, which was partnered with Boeing Vertol at the time.
The Marine Corps, which flies 229 of the 308 CH-46 helicopters in the fleet, said the new requirement to inspect a key rotor head component after every 10 hours of flying limits the aircraft's usefulness.
During the development of the WG . 13 Westland Lynx, two Scouts were used as testbeds and fitted with full-scale, composite construction semi-rigid Lynx main rotor heads as the Scout had the nearest size rotor.
A decision to redesign the main rotor head resulted in considerable delays to the flight testing program; during this time, other changes were made to the rotorcraft, included the horizontal stabilizer being extended and improvements of the hydraulic systems.