Kawasaki C-1 Asuka STOL research aircraft.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...l_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...asuka_stol.jpg
Previously:
https://www.homemadetools.net/forum/...563#post201173
https://www.homemadetools.net/forum/...255#post134813
https://www.homemadetools.net/forum/...761#post163567
