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Welcome

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.

November 15, 2021. Check out our article on flying cars, currently in work.

November 11, 2021. Check out our new CO2 emission calculator for electric aircraft.

November 6, 2021. Check out our new battery range calculator for electric aircraft.

October 18, 2021. Check out our new helicopter autorotation calculator.

October 3, 2021. Check out our new helicopter hover power calculator.

September 27, 2021. Check out our new coordinated turn calculator.

September 22, 2021. Check out our new momentum theory calculator.


Helicopters

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


Wind Turbines

Wind Turbine Airfoil Design

Wind Turbine Components

Wind Turbine Startup Process

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