30 MAY 2017 50 years ago: Mazda launches rotary-powered Cosmo Tokyo / Leverkusen It was a pivotal moment in automobile history when, 50 years ago today, Mazda launched its rotary-powered Mazda Cosmo Sport. The sleek, stylish two-seater marked the beginning of a legacy of innovation that endures to this day – a legacy of fun-to-drive cars and motor sport success powered by unique technology. Back in 1967, the Cosmo Sport was the world’s first car powered by a twin -rotor engine. Known outside Japan as the 110S, it was also Mazda’s first sports car, supplying the DNA that has gone into legendary models like the Mazda RX-7 and Mazda MX-5, and indeed every vehicle the Japanese marque manufactures today. Although only 1,176 were built, the Cosmo Sport was monumental for Mazda, marking its transformation from a maker of predominantly trucks and small cars to an exciting, unique brand characterised by its convention-defying approach to engineering as well as design. Development