Frederick K. Kirsten
“打蛋器翼飞机模仿……鹰”Modern Mechanicsin 1934.Yes, you read that correctly.
As early as 1921, German-American inventor Frederick K. Kirsten (1885-1953) was working on a wingless, rudderless airplane design.What does that even look like, you ask?Like this:


You must belogged into post a comment.