The fundamental design principles behind rotary-wing aircraft date back to the Renaissance, with some of the earliest-known designs belonging to Leonardo da Vinci. Naturally, technology has ...
Newly emerged images raise the possibility that China has built another compound helicopter demonstrator, following the S-97 Raider-like aircraft seen in 2025, this time bearing a resemblance to the ...
In order to increase flight speed, coaxial high-speed helicopter is getting more and more attention. Due to the complexity of its transmission system, this study mainly deals with dynamics reduction ...