In the world of drones, propeller choice is key to performance. Selecting the right props can have a major effect on things like flight time, vibration, and a whole host of other factors. Thinking it ...

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 ...

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 ...

A British engineer has adapted a steel frame into a flying machine capable of levitating 20 metres off the ground. Nicknamed Swarm Man, the device uses 54 counter-rotation propellers to give flight to ...