1954 Bell Model 65 experimental tiltjet VTOL aircraft.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...t_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...65_tiltjet.jpg
Previously:
https://www.homemadetools.net/forum/...144#post165170
https://www.homemadetools.net/forum/...207#post161279
https://www.homemadetools.net/forum/...092#post157384
https://www.homemadetools.net/forum/...176#post138386
https://www.homemadetools.net/forum/...637#post102089