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--- lighter_than_air [2008-01-25 13:42] – 62.166.51.71
+++ lighter_than_air [2008-01-25 13:58] – 62.166.51.71
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 ==== Lighter Than Air ====
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 LZ 129 Hindenburg was a German zeppelin. Along with its sister-ship LZ 130 Graf Zeppelin II, it was the largest aircraft ever built. During its second year of service, it went up in flames and was destroyed while landing at Lakehurst Naval Air Station in Manchester Township, New Jersey, U.S., on 6 May 1937. Thirty-six people died in the accident, which was widely reported by film, photography and radio media.\\
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 {{Mong05.jpg_COPYWRIGHT_FOTOT_PAOLO_OGGIONI_.jpg}}{{:festo_ballon.jpg|}}\\
-COPYWRIGHT_FOTOT_PAOLO_OGGIONI_FEst:The Upside-Down balloon appears at first glance to be standing on its head. In actual fact, there is a concealed cabin on the underside and a further dummy cabin on the top. The engineers of the manufacturing company Cameron Balloons worked with great enthusiasm to produce this "special shape" balloon, which is unique throughout the world.
+COPYWRIGHT_FOTOT_PAOLO_OGGIONI_FEst:The Upside-Down balloon appears at first glance to be standing on its head. In actual fact, there is a concealed cabin on the underside and a further dummy cabin on the top. The engineers of the manufacturing company Cameron Balloons worked with great enthusiasm to produce this "special shape" balloon, which is unique throughout the world.\\
+{{:nasa_dryden_flight.jpg|}}\\
+NASA's Dryden Flight Research center Photo Collection.
+photo ED01-0209-3, date 14 july 2001. photo by Nick Galante/PMRP
+The Helios Prototype wing is shown over the Pacific Ocean during its first testflight on solar-power.
+source: www.dfrc.nasa.gov/gallery/photo
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 British inventiveness stimulated an inflatable wing aircraft, produced by ML Aviation Ltd in the mid-1950s as the Utility. Twelve wings were tested and three aircraft were built (XK776, XK781 and XK784). Conceived at the Research and Development Establishment, RAF Cardington in 1953, its true potential was realised on the other side of the Atlantic. (Photo, Av News Files).source: www.aviation-news.co.uk/Parasev.html\\
 Prospective Concepts, a Swiss company developed the Flying Stingray an ultralight lifting body in the shape of a stingray but still using propellers as propulsion.\\
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-An example of solar-powered flight, NASA's Helios aircraft flew almost one hundred years after the Wright brothers' historic flight on December 17, 1903. Pictured here at 10,000 feet in in skies northwest of Kauai, Hawaii in August 2001, the remotely piloted Helios is traveling at about 25 miles per hour. Essentially an ultralight flying wing with 14 electric motors, the aircraft was built by AeroVironment Inc. Covered with solar cells, Helios' impressive 247 foot wide wing exceeded the wing span and even overall length of a Boeing 747 jet airliner. Climbing during daylight hours, the prototype aircraft ultimately reached an altitude just short of 100,000 feet, breaking records for non-rocket powered flight. Helios was intended as a technology demonstrator, but in the extremely thin air 100,000 feet above Earth's surface, the flight of Helios also approached conditions for winged flight in the atmosphere of Mars.