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  • Citroën GS Birotor. Unstable prodigy
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    Citroën GS Birotor. Unstable prodigy

    Rarely has a car flopped into oblivion so progressively. Perhaps one of the most special Citroëns since ages, yet almost no one knows about its existence anymore. Just like Dries Roelvink, except for that special one. And the Citroën GS Birotor was never available in swimming trunks yellow, Dieu merci. Brown metallic or beige, more choices were More

  • rotary engine
    in

    rotary engine

    At one time, the whole world was convinced that the brainchild of Felix Heinrich Wankel (13 August 1902 – 9 October 1988), the Wankel engine, would take over the world, spell the end of bouncing piston engines. NOT! And in fact it has already gone wrong with Wankel's Drehkolbenmotor Die More

  • rotary engine
    in

    A small Mazda with a Wankel engine

    We look under the hood of a Mazda R100 with Wankel engine. They were, alphabetically, Alfa Romeo, American Motors, Citroen, Ford, General Motors, Mercedes-Benz, Nissan, Porsche, Rolls-Royce, Suzuki and Toyota who were interested in the new technology and signed contracts with NSU to use the Wankel engine. Rolls Royce did that before More