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zipolli's activity in the archive.
Possibly because Juan de la Cierva had the same idea back in the 1930's. The cierva C.40 was an autogyro with a rotar that was powered for take-off cierva C.40
Possibly because Juan de la Cierva had the same idea back in the 1930's. The cierva C.40 was an autogyro with a rotar that was powered for take-off cierva C.40