The Williams X-Jet or WASP, was a small, one-man, Vertical Take Off and Landing (VTOL) aircraft developed by Williams International. The craft was powered by a small turbofan engine capable of producing 570 lbf (2.6 kN) of thrust.
https://s3-us-west-1.amazonaws.com/h...liams_xjet.jpg
17:00 video:
https://www.youtube.com/watch?v=uXNNc_HFodI
Patent:
United States Patent: 4447024
Previously:
https://www.homemadetools.net/forum/...1532#post74610
https://www.homemadetools.net/forum/...588#post107918
https://www.homemadetools.net/forum/...637#post102089
