The Dornier Do X was the largest was the largest heavier-than-air aircraft of its time. Only three were built.
https://diqn32j8nouaz.cloudfront.net...t_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...1_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...2_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...929#post156687
https://www.homemadetools.net/forum/...596#post143264
https://www.homemadetools.net/forum/...833#post167605
https://www.homemadetools.net/forum/...097#post153553
https://www.homemadetools.net/forum/...665#post155656
