De Bothezat helicopter with four rotors rotating at each end of its arms. The experimental quadrotor designed by George de Bothezat is seen in flight at McCook Field in Dayton Ohio. The helicopter rising just above the ground and moving from side to side but remaining just aloft, then descending while a man stands nearby.
View of rotor blades revolving on a vertical axis above the fuselage. Engineers working on Plane-Radical lifting screw and inspecting the pitch variation of De Bothezat helicopter during its development at McCook Field in Dayton Ohio, under a contract with Russian immigrant George de Bothezat issued by the U.S. Army Air Service. Engineers inspecting at fuselage. Professor George de Bothezat, the inventor of the helicopter, Lieutenant Colonel J.E.Fetchet and Major T.H.Bane discussing. Professor De Bothezat and four officers sitting on cart to which the screw is attached are lifted as the large rotor turns. The rotor went on to be used in the so called Jerome-de Bothezat Flying Octopus helicopter that featured four 6-bladed rotors.
At McCook Field in Dayton, Ohio, U.S. Army Air Service engineers inspecting Plane-Radial screw (helicopter lift mechanism) of George De Bothezat, a Russian immigrant working under contract with the Army. General Mason M. Patrick, Chief of the Air Service, inspects the radial screw. 1000 pounds of weight is lifted by lifting-rotor utilizing 35 horsepower. View of revolving rotor blade and officers in background. Brigadier General William Mitchell ( "Billy Mitchell" ) also inspects the work and discusses with George de Bothezat. Test flight for then Secretary of Commerce Herbert Hoover of the Jerome-de Bothezat Flying Octopus, equipped with four 6-bladed rotors. George de Bothezat in the pilot seat as the large helicopter lifts. It is held from going up very high and stabilized by men all around it. Another test with de Bothezat's assistant Mr. Eremeff in the pilot seat.
Celebration of the 38th anniversary of the U.S. Army Air Forces, dating back to establishment of the Aeronautical Section of the U.S. Army Signal Corps, in 1907. Airmen of the Army Air Forces march in formation on the flight line at Wright Field in Dayton,Ohio. Aviation pioneer, Orville Wright, is seen in the reviewing stand. A color guard marches past the the reviewing stand. A 4-engine German Junkers JU-290 transport aircraft is seen parked on the field. (It arrived on July 31, 1945, after being flown to Wright Field from Europe, by U.S. Air Forces Colonel Harold E. Watson and co-pilot Captain Fred McIntosh,who were delivering it to Air Technical Intelligence Headquarters.) The crew of the JU-290 (named "Alles Kaputt") pose in front of it. Colonel Watson, is seen holding a Dachshund dog. The JU-290 takes off on a demonstration flight. A new U.S. P-80 "Shooting Star" jet airplane (serial number 44-84995) is rolled out for all to see. It takes off in a demonstration flight. (Late in World War 2.)
U.S. Army Air Services maneuvers of First Provisional Air Brigade at Wilbur Wright field in Dayton , Ohio. Brigadier General James E. Fechet, Assistant Chief of Air Service arrives as he gets out of a staff car. He poses with officers including Major Carl Spaaz and Captain Fabian Pratt in front of U.S. Army Air Services A-3 aircraft. He looks at a map and discusses the problems. Major General Mason N. Patrick, Chief of Air Services arrives as Captain Pratt greets him. Brigadier General Fechet talks to Major General. Major General Patrick reviews crew members in front of MB-2s, DH-4sand A-3 aircraft. Major General inspects the crew and aircraft of the Bombardier group.
U.S. Army Air Services maneuvers of First Provisional Air Brigade at Wilbur Wright field in Dayton , Ohio. Major General Mason N. Patrick, Chief of Air Services and other officers inspect the crew and aircraft of the Pursuit group and the attack group. Major General inspects crews of MB-2s, DH-4s and A-3s. P-1c engine in operation. MB-2 aircraft and P-1C aircraft take off from the airfield.
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