How the Airbus H135 Fenestron Works
From an Exposed Tail Rotor to the Fenestron A helicopter’s main rotor produces torque that tends to rotate the fuselage in the opposite direction. On a conventional helicopter, a tail rotor mounted at the end of the tail boom produces the lateral thrust required to counteract this torque and provides control about the yaw axis. […]
Airbus H135: From the Bo 108 to a Modern Light Twin Helicopter
The Airbus H135 can trace its origins back through several decades of German helicopter development. Long before the H135 name appeared, Bölkow and later MBB were developing rotor technology that would eventually influence the aircraft we know today. An important predecessor was the Bo 105, a twin-engine multipurpose helicopter introduced during the 1960s. After around […]