Cessna O-2 Skymaster observation aircraft with a push-pull design.
https://diqn32j8nouaz.cloudfront.net...r_fullsize.jpg
4:01 video:
https://www.youtube.com/watch?v=uVbgXnjvSDs
Previously:
https://www.homemadetools.net/forum/...198#post191870
https://www.homemadetools.net/forum/...217#post134781
https://www.homemadetools.net/forum/...273#post169249
https://www.homemadetools.net/forum/...832#post186739
https://www.homemadetools.net/forum/...378#post131383
