Propeller-driven railcar built by Russian engineer Valerian Abakovsky.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...r_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...sky_aircar.jpg
Previously:
https://www.homemadetools.net/forum/...472#post151101
https://www.homemadetools.net/forum/...098#post180125
https://www.homemadetools.net/forum/...604#post132622