Development of air power. The National Aeronautics Association (NAA) annual races in Dayton, Ohio. A small aircraft flying at high speed around pylons at an air show. A large crowd in the grandstands to watch the races.
The Army Air Force Institute in Wright Field, Dayton, Ohio. Students attend the classes. Exteriors of experimental laboratories at Wright Field. Student observes laboratory tests of materials. Various equipment in laboratory. Procurement officers in the factory. 'Operations Altitude 300' building at Wright Field. A plane taxis and takes off.
Five YG-1B early helicopters are pushed out of hangar by ground crewmen. Ground crewmen lock rotor blades into position for flight. Three YG-1B auto-gyros taking off from a grass field at Wright-Patterson Air Force Base in Dayton, Ohio. Views of five YG-1Bs in flight, then two auto-gyros land.
Orville Wright and others commemorate the day of first flight by Wright brothers at Kitty Hawk,twenty two years ago. At a ceremony in Dayton,Ohio they place a wreath at Wilbur Wright's grave.
Workers work on an early aircraft in Dayton,Ohio. Men pull the plane. It takes off to commemorate the first flight by Wright brothers,twenty two years ago.
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.
CRITICALPAST.COM: About Us | Contact Us | FAQs - How to Order | License Agreement | My Account | My Lightboxes | Shopping Cart | Advanced Search | Featured Collections | Website Terms & Conditions | Privacy Policy | Links ©2024 CriticalPast LLC.
License Agreement |
Terms & Conditions |
Privacy Policy
©2024 CriticalPast LLC.