Thursday, November 20, 2025

I can't remember if I've posted this, French engineer René Louis Riout had a keen interest in ornithopters, aircraft designed to fly using flapping wings. His first ornithopter, the DuBois-Riout, was constructed in 1913, but its testing was postponed due to World War I.


https://www.facebook.com/photo/?fbid=866444115896432&set=a.187788823761968

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