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 ...

Helicopters are marvelous pieces of engineering, providing a live demonstration of the laws of physics as they carry us into the skies. With metal or composite blades angled just right and spinning at ...

Helicopter rotor performance and optimisation represent a dynamic field of research that addresses improvements in efficiency, environmental impact and overall operational capability. Researchers have ...

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 ...