Some of the first models of the autogiro, the predecessor of helicopters, designed by Juan de la Cierva. Its first succesful flight was a 183 m "jump" achieved in 1923 in Getafe,
File:Autogyro at Farnborough, 1925 (Our Generation, 1938).jpg - Wikimedia Commons
Autogiro Company of America AC-35 - Wikiwand
The magnificent Pitcairn PA-19 cabin autogiro. My plan to resurrect this type: Step 1, get all the money in the world. Step 2, have o… | Вертолеты, Авиация, Самолет