The title had me assuming this article would be about using a yaw string. https://en.m.wikipedia.org/wiki/Yaw_string https://en.m.wikipedia.org/wiki/Yaw_string

The title had me assuming this article would be about using a yaw string. https://en.m.wikipedia.org/wiki/Yaw_string https://en.m.wikipedia.org/wiki/Yaw_string Flappy, highly sensitive and a few inches long, it gives you an intuitive feeling of airflow without having to look down at your instrumentation.