Custer CCW-5 pusher light transport aircraft from the 1950s. Only two were built.
https://diqn32j8nouaz.cloudfront.net...5_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...775#post216733
https://www.homemadetools.net/forum/...217#post134781
https://www.homemadetools.net/forum/...989#post164487
