Unique counter-rotating design to help mitigate technical risk of integrating engines on to airlifter Airbus Military has chosen a unique "handed" propeller concept for the A400M airlifter in a bid to ...

Readers have expressed their worries about the logistical burdens of counter-rotating propellers and gearboxes on the Airbus Military A400M (AW&ST Sept. 15, p. 9; Aug. 18/25, p. 12). Controllability ...

TIANJIN, China — Avicopter is developing a technology demonstrator for a high-speed helicopter, adopting a compound configuration that combines coaxial rigid rotors and nose-mounted counter-rotating ...

“Swarm Man” takes to the sky — er, several feet off the ground — in a DIY super drone that sounds like an army of bees. The homebuilt flying machine is equipped with 54 counter-rotating propellers ...