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  2. Scaled Composites Proteus - Wikipedia

    en.wikipedia.org/wiki/Scaled_Composites_Proteus

    The aircraft was intended to carry a 14-foot (4.3 m) antenna, which was flight tested in the autumn of 1999 and the summer of 2000, including the relay of a video conference while the aircraft orbited over Los Angeles. [4] The project failed to move forward, however, and the subsequent series of aircraft were not built.

  3. Junkers J 1 - Wikipedia

    en.wikipedia.org/wiki/Junkers_J_1

    The aircraft was known only by its Junkers factory model number of J 1 and should not be confused with the later, armoured all-metal Junkers J 4 sesquiplane, accepted by the later Luftstreitkräfte as the Junkers J.I (using a Roman numeral), from the category of armored combat aircraft established by IdFlieg.

  4. Martin Marietta X-24 - Wikipedia

    en.wikipedia.org/wiki/Martin_Marietta_X-24

    X-24 The X-24B in flight General information Type Lifting body National origin United States Manufacturer Martin Marietta Primary users United States Air Force NASA Number built 1 (X-24A, rebuilt as X-24B) History First flight 17 April 1969 (X-24A) 1 August 1973 (X-24B) Retired 26 November 1975 Developed from X-23 PRIME The Martin Marietta X-24 is an American experimental aircraft developed ...

  5. Aircraft recycling - Wikipedia

    en.wikipedia.org/wiki/Aircraft_recycling

    Aircraft recycling is the process of scrapping and disassembling retired aircraft, and re-purposing their parts as spare parts or scrap. Airplanes are made of around 800 to 1000 parts that can be recycled, with the majority of them made from metal alloys and composite materials.

  6. Thorp T-18 - Wikipedia

    en.wikipedia.org/wiki/Thorp_T-18

    Thorp T-18 T-18. The Thorp T-18 is an American, two-place, all-metal, plans-built, homebuilt aircraft designed in 1963 by John Thorp. [1] [2] [3]The aircraft was originally designed as an open cockpit aircraft, powered by a military surplus Lycoming O-290G ground power unit engine, but evolved into a fully bubble canopied aircraft powered by engines of up to 200 hp (149 kW).

  7. Airframe - Wikipedia

    en.wikipedia.org/wiki/Airframe

    It was utilized primarily as sheet and plate. Alloy 7075-T6 (70,000-psi yield strength), an Al-Zn-Mg-Cu alloy, was introduced in 1943. Since then, most aircraft structures have been specified in alloys of this type. The first aircraft designed in 7075-T6 was the Navy’s P2V patrol bomber. A higher-strength alloy in the same series, 7178-T6 ...

  8. Skin (aeronautics) - Wikipedia

    en.wikipedia.org/wiki/Skin_(aeronautics)

    The skin of an aircraft is the outer surface which covers much of its wings and fuselage. The most commonly used materials are aluminum and aluminium alloys with other metals, including zinc, magnesium and copper.

  9. List of aircraft structural failures - Wikipedia

    en.wikipedia.org/wiki/List_of_aircraft...

    Improper maintenance: undetected metal fatigue: 34 Starboard wing failed outboard of engine 1977-05-14 1977 Dan-Air Boeing 707 crash: Near Lusaka Airport, Lusaka, Zambia Boeing 707: Metal fatigue and aircraft design flaw 6 Structural failure of the right horizontal stabiliser due to metal fatigue and aircraft design flaw 1978-06-26