Tandem rotor configurations have emerged as a promising solution for enhancing the aerodynamic performance of axial compressors and fans. By splitting the conventional single blade into two successive ...

Airbus Helicopters is potentially studying a novel high-speed rotorcraft concept that combines a hybrid-electric single-bladed tandem rotor configuration with a tail-mounted pusher propeller and wings ...

The Boeing H-47 Chinook is one of the oldest aerial workhorses of the American military. It was introduced in 1962 as one of the very few tandem rotor helicopters ever made and has been so successful ...

Laflamme Aéro has developed a tandem-rotor helicopter unmanned aerial vehicle (UAV) that the company hopes will be as cheap as the most affordable manned rotary-wing aircraft. David Laflamme, company ...

Inside an incredible 134-year-old building in Manchester, England, I found something I didn't expect: an Avro Shackleton patrol aircraft. And a massive tandem-rotor Bristol Belvedere helicopter. It's ...

Piasecki Aircraft has secured new work for its ‘Heliplex’ facility in Coatesville, Pennsylvania, signing a collaboration agreement with Columbia Helicopters to upgrade Model 107 tandem-rotor ...

As the Air Force continues its re-evaluations of the proposed Combat, Search and Rescue (CSAR-X) platforms, the competitors are caught up in a swirl of questions regarding rotor downwash. The focus ...

Frank Piasecki, 88, an engineer who flew the second successful helicopter in America and built the first technically and commercially viable tandem-rotor helicopter, died Feb. 11 at his home in ...