Terminology / Helicopter Aerodynamics Torque Torque is the counter force against the engine force that drive the main rotor. There is no torque when the engine isn't driving the main rotor (an example of this would be autorotation). Source: The Way to a Certificate of Helicopter, http://home.att.ne.jp/gamma/fujiwara/index-e.htm

Home | Articles | Books | Links | Posters | Helicopters | Terminology

Please read the disclaimer