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Welcome to Spinning Wing. We aim to provide useful content about helicopters, tiltrotors, and wind turbines—machines with spinning wings. We are in the process of creating new articles. Feel free to let us know if you have any recommendations, comments or questions.

February 19, 2023. We added a page on helicopter weapons.

February 7, 2023. We added a discussion of high speed VTOL aircraft.

January 18, 2023. We updated our page describing helicopter engines.

December 17, 2022. We added a page describing scenarios where tail rotor effectiveness and / or yaw control are lost.


Flight Test Data: Estimating Frequency and Damping

Helicopter Abbreviations and Symbols

Helicopter Components

Helicopter Flight, Control and Stability

Helicopter Forces and Moments

Helicopter modeling and simulation

Helicopter Performance

Helicopter Rotors

Other Rotorcraft


Helicopter Models

High Speed VTOL

Personal Air Vehicles

V-22 Controls

Wind Turbines

Direct Drive Wind Turbines

Wind Turbine Airfoil Design

Wind Turbine Components

Wind Turbine Startup Process

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