In 1935, with the cooperation of René Dorand, Breguet completed the Gyroplane Laboratoire, which was the first helicopter to meet the aviation industry's control and performance expectations for a ...

Object Details Physical Description 240in. diameter, 20.5in. wide, 11.5in. hub diameter, 8.63in. hub thickness; painted silver; fabric covered; ailerons on tips; found in the collection. Inventory ...