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.
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.