Sentence examples for rotor from inspiring English sources

It was making an odd noise as if the engine was misfiring, with the rotor blades sounding fine for several beats before an odd metallic grating noise could be heard, and that sequence of sounds continued, he said, as it flew.

The Jet Reaction is a league above even those customised vehicles, it is propelled by the sort of engine more usually found driving a Sea King helicopter's rotor blades.

This swaying places stress on the structure, and that has to be compensated for by a computer system that tweaks the pitch of the rotor blades to keep them facing in the right direction as the tower rocks and rolls to the rhythm of the waves.

Dr Ockels's idea is to launch a kite (without rotor blades) from a ground station, turning a generator as it rises to an altitude of several hundred metres.

Complicating matters further, the burning fuel cannot be allowed to get too volatile for fear of cracking the microscopic engine's casing, which is made of silicon instead of high-temperature alloy.Earlier this year, Dr Epstein demonstrated that a prototype of his microscale jet engine could achieve rotor speeds of 1.3m revolutions per minute enough, in theory, to generate 17 watts of power.

That vibration can then be coupled to another structure to turn a rotor, which in turn operates a flagellum-like tail.

The plan is to build a network of autonomously controlled, multi-rotor unmanned aerial vehicles (UAVs) to carry small packages of a standardised size.

With a four-rotor arrangement, you can achieve the same effect by changing the pitch of one or two whole rotors, rather than adjusting the pitch of individual blades.

The world's first tilt-rotor aircraft (Bell XV3) flew in 1953, yet the first flight of a commercial tilt-rotor was in 2003 some 50 years later.Learn to listenWhen R&D takes decades to bear fruit, researchers need different methods for managing such long-term projects, especially when their companies are changing around them.

It is building a rotor-blade factory in Minnesota and has invested $60m in a factory in Tianjin, China.India, says Mr Tanti, is poised to become a "wind-power export hub".

LM Glasfiber, also from Denmark, with only €300m of turnover but world leadership in turbine rotor-blades, did the opposite of Vestas, moving from heavy loss into profit.In this section Europe's coming merger boom A curious delay Wrong number?