Velocette: The Three Twins: Roarer, Model O and LE

The Veloce company is well regarded for producing some of the best single—cylinder motorcycles in race form and for private use. It is not so well—known that Veloce Ltd also produced some twin—cylinder machines: the Roarer, for racing, and the Model O for production. These bikes had many engineering features in common, such as twin contra—rotating crank shafts, inline cranks, shaft drive, and swing arm rear suspension. The supercharged Roarer was never raced because of the advent of war; th...