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  2. Bugatti Model 100 - Wikipedia

    en.wikipedia.org/wiki/Bugatti_Model_100

    The Model 100 had an unusual inboard mounted twin engine arrangement driving forward-mounted contra-rotating propellers through driveshafts. The aircraft also featured a 120-degree v-tail arrangement and retractable landing gear .

  3. Flettner rotor - Wikipedia

    en.wikipedia.org/wiki/Flettner_rotor

    The Buckau, the first vehicle to be propelled by a Flettner rotor. A Flettner rotor is a smooth cylinder with disc end plates which is spun along its long axis and, as air passes at right angles across it, the Magnus effect causes an aerodynamic force to be generated in the direction perpendicular to both the long axis and the direction of airflow. [1]

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  5. Voith Schneider Propeller - Wikipedia

    en.wikipedia.org/wiki/Voith_Schneider_Propeller

    The Voith Schneider propeller was originally a design for a hydro-electric turbine. [2] Its Austrian inventor, Ernst Schneider, had a chance meeting on a train with a manager at Voith's subsidiary St. Pölten works; this led to the turbine being investigated by Voith's engineers, who discovered that although it was no more efficient than other water turbines, Schneider's design worked well as ...

  6. Banner - Wikipedia

    en.wikipedia.org/wiki/Banner

    A heraldic banner, also called a banner of arms, displays the basic coat of arms only: i.e. it shows the design usually displayed on the shield and omits the crest, helmet or coronet, mantling, supporters, motto or any other elements associated with the full armorial achievement (for further details of these elements, see heraldry).

  7. Diamond DA42 Twin Star - Wikipedia

    en.wikipedia.org/wiki/Diamond_DA42_Twin_Star

    Since its founding in the 1980s, Austrian manufacturer Diamond Aircraft Industries had concentrated on building an extensive product line. During the late 1990s, company founder and chief executive officer Christian Dries approached the design team with a concept for a twin-engined aircraft, which became the company's first multi-engined aircraft, and became the next step beyond the Diamond ...

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