Ice wing sail - video

Ice wing sail. 1:27 video

https://www.youtube.com/watch?v=VY3xsgJaIrQ


Previously:

https://www.homemadetools.net/forum/...620#post136373
https://www.homemadetools.net/forum/...768#post102413
https://www.homemadetools.net/forum/...739#post143805
https://www.homemadetools.net/forum/...671#post167095
https://www.homemadetools.net/forum/...209#post126407

Being inside of a sail wing would protect the pilot from the extreme wind chill of traveling at 70MPH and streamline the aerodynamics, but the major disadvantage that I see is they would not be able to use their bodies as counter ballast making it more difficult and dangerous to tack for changing directions