Counter-rotating wind turbines (CRWTs) represent an innovative paradigm in wind energy conversion, employing a dual rotor mechanism in which two coaxial rotors spin in opposite directions. This ...

Then Stian had the counter-rotating concept, and that's where it matched up. An integrated turbine where the generator is part of the solution, not part of the problem. Hans: Tilting, floating ...

It is an American helicopter manufacturing company and also manufactures military aircraftSikorsky · AircraftOf the new type helicopter "S-97 RAIDER" which the company has been developingConcept ...

Here’s What You Need To Remember: The new aircraft will employ several measures designed to make it quieter, including, most notably, a counter-rotating rotor that muffles the sound of the first. The ...

Late last year, Safran completed a ground-test campaign with a full-scale counter-rotating open rotor (CROR) engine on an impressive outdoor testbed, almost 10 years after the launch of the ...