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.
September 9, 2023. We added calculators for advance ratio and inflow ratio.
July 9, 2023. We are in the process of creating pages describing helicopter malfunctions.
May 28, 2023. We added a page describing prebend in wind turbine rotors.
May 12, 2022. We added a page describing the Ingenuity helicopter on Mars.