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The Ryan XV-8 Flexible Wing Aerial Utility Vehicle (nicknamed Fleep, short for "Flying Jeep") was an improved version of the Flex-Wing.Both aircraft were built by Ryan Aeronautical Company in collaboration with NASA for the United States Air Force and the United States Army and tested in 1961 as a STOL patrol, reconnaissance, and light utility aircraft to transport people or freight when a ...
The aircraft are also known by other names, including 2-axis microlights, flex-wing trikes, microlight trikes, deltatrikes [2] or motorized deltaplanes. [3] In the United States, they are formally recognized by the Federal Aviation Administration (FAA) as weight-shift-control aircraft .
Two archetypes of this type of mower are the Bush Hog which is made by Bush Hog, Inc. [1] of Selma, Alabama, and the Flex-Wing by RhinoAg of Gibson City, Illinois.The formal name for this type of implement is a rotary cutter or rotary mower, although it differs from mowers in that it does not cut with a sharp blade, but rather severs with an intentionally very dull wedge-like blade.
The NASA Paresev was one of the first powered Rogallo-winged aircraft to fly. In aeronautics, a flexible wing is an airfoil or aircraft wing which can deform in flight.. Early pioneer aeroplanes such as the Wright flyer used the flexible characteristics of lightweight construction to control flight through wing warping.
This redesigned model incorporated a wider 20-1/2 inch hang cage. All earlier models had a 15 + 3 ⁄ 4-inch-wide (400 mm) hang cage. It also had stronger upright struts and wing with 1-3/4 inch spars of 0.049 inch thickness, whereas all earlier models used 1-1/2 inch spars of 0.049 inch thickness and heavier 1/8 inch outer bottom cables. [1]
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On March 15, 1975, John Moody successfully added a 12.5 hp (9 kW) West Bend engine with a 71 cm (28 in) propeller to an UFM Easy Riser biplane hang glider designed by Larry Mauro. Moody opened the throttle and ran until he lifted from the frozen surface of a lake west of Racine, Wisconsin , and he flew for 30 minutes.
In 1963, John W. Dickenson adapted the flexible wing airfoil concept to make another water-ski kite glider; for this, the Fédération Aéronautique Internationale vested Dickenson with the Hang Gliding Diploma (2006) for the invention of the "modern" hang glider. [10] Since then, the Rogallo wing has been the most used airfoil of hang gliders.