The De Bothezat helicopter built by George de Bothezat. The quadrotor aircraft being tested at McCook Field in Dayton, Ohio, United States. The DeBothezat rotorcraft with four huge rotor blades lifts off, hovers and touches the ground several times.
Shows the rotor blade for the de Bothezat helicopter being tested during its development at the engineering division of McCook Field in Dayton,Ohio. Inventor George de Bothezat was hired by the U.S. Army Air Service in 1921 to produce a helicopter. This footage shows various tests being conducted: First a test of the " plane radical lifting screw ". The rotor is seen moving at high speed and lifting the front of the cart to which it is anchored. Second is a test showing the pitch variation mechanism. Next sequence show U.S. Army Lieutenant Colonel J.E. Fechet, Major T.H. Bane, and the inventor of the helicopter George deBothezat discussing with each other. De Bothezat points to the aircraft mechanism as he talks to the officers. De Bothezat and four Army officers sit in the helicopter to test the lift capability. The rotor rotates and lifts the front end of the cart with the 5 men seated in it, absorbing 30 horsepower.
General Mason M. Patrick,Chief of Air Service inspects De Bothezat helicopter during its development at engineering division of McCook field in Dayton, Ohio. Brigadier General William "Billy" Mitchell also takes a look at the helicopter. Russian immigrant George De Bothezat, the inventor of the helicopter, speaks to the officers. Two lift tests are shown with one lifting 1000 pounds and the other lifting 3500 pounds at 160 horsepower.
Secretary of Commerce Herbert Hoover (not pictured) inspects De Bothezat helicopter at engineering division of McCook field in Dayton,Ohio. Dr. George De Bothezat sits in the pilot seat and lifts off in the helicopter sometimes called the Jerome-de Bothezat Flying Octopus, with four rotors, built for the U.S. Army Air Service. It hovers a few inches above the ground. Men stand on all sides of it to help stabilize it. Assistant to George de Bothezat, Mr. Eremeff pilots the helicopter in another test.
A toy parade in Dayton, Ohio. Adults and children gathered for the toy parade. Decorated floats and toys move past the crowd during the parade. Clowns aboard the decorated floats. A man rides a dummy horse. Well decorated floats move past a large crowd on either side of a street. A man dressed as Santa Claus waves to a large crowd from the top of a building.
Early transport aircraft of United States Army Air Service in the United States. U.S. Army Air Service Consolidated Fleetster YIC-11 transport airplane. U.S. Assistant Secretary of War F. Trubee Davison and pilot Captain Ira Eaker pose in front of the plane at Wright airfield in Dayton, Ohio. Assistant Secretary and Pilot Eaker prepare to take off for Washington D.C. They board the flight. Engine of the plane starts and propellers rotate. Aircraft taxis to take off.
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