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It was made of jumbo spruce planks. The wings were designed with 1 in 20 chambers.
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Using a gyroscope Lawrence Sperry made the new generation of airplanes. Two year later Sperry and his father made a stirring gyroscope for better control over the craft
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It was used by U.S miltary to teach the army how to fly the jets.
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Was independently designed by a man of the name Frank Wittle. Wittle also had to design a new fuel for the big machine.
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The craft was called the Learjet 23 and was accepted for its speed and durability
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Northrop Grumman develops the B-2 bomber, with a "flying wing" design. Made of composite materials rather than metal, it cannot be detected by conventional radar. At about the same time, Lockheed designs the F-117 stealth fighter, also difficult to detect by radar.
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NASA teams with American and Russian aerospace industries in a joint research program to develop a second-generation supersonic airliner for the 21st century.