ERA (English Racing Automobiles Limited, Bourne, U.K.) Competitive years: 1934-1938 Horsepower Range: 180-225 While the MG, Alta, Riley and Austin 750 did remarkably well for Great Britain, the Raymond Mays/Peter Berthon ERA combined a production based supercharged Riley engine with a solid conventional chassis and to launch the best known British upright of all time. … Continue reading Voiturettes Part 2: ERA to Talbot