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 ...

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 ...

Safran Aircraft Engines now has clearly plotted the technological trajectory a counter-rotating open-rotor (CROR) engine can be part of, somewhere between an ultra-high-bypass-ratio (UHBR) turbofan ...

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 ...

The type of wind turbine you’re used to seeing in stock photos of wind farms is called a horizontal axis wind turbine (or, HAWT). But there is another form of wind power, called a vertical axis wind ...

Sikorsky and Boeing have been working on this high-speed, long-range, ultra-maneuverable military helicopter design for some time, and now they've released the first photos of what is expected to ...

Here’s What You Need to Remember: While rotor blades are, quite naturally, likely to generate some kind of radar signal to enemy systems, depending upon range and the fidelity of a given air defense ...

Midea Group has patented a counter-rotating motor for high-speed blenders. The motor includes a stator with outer and inner windings, an inverter for synchronous excitation, an inner rotor rotating in ...

Delivering what is reported as the highest airflow and static pressure capabilities in the industry, the San Ace 60CR counter-rotating fan employs two axially aligned fans rotating counter-clockwise ...

A space-age flying machine that aims to replace cars has been launched. FlyNow Aviation’s eCopter has successfully completed its first untethered flight. The Austrian start-up will test a cargo ...