The "Wrong" Brothers aviation failures of the 1920s. Hilarious, but these pioneers paved the way for modern aviation.
https://www.youtube.com/watch?v=fw_C_sbfyx8
Previously:
https://www.homemadetools.net/forum/...145#post126065
https://www.homemadetools.net/forum/...5623#post82221
https://www.homemadetools.net/forum/...913#post124713