NASA inflatable wing technology demonstrator. 0:42 video.
https://www.youtube.com/watch?v=uGwXc9wxIiM
Previously:
https://www.homemadetools.net/forum/...584#post147494
https://www.homemadetools.net/forum/...2388#post96186
https://www.homemadetools.net/forum/...603#post174271
https://www.homemadetools.net/forum/...418#post162009
https://www.homemadetools.net/forum/...406#post154622
https://www.homemadetools.net/forum/...474#post139179