The Jagueneau cyclecar was an amateur-built three-wheeler made in France by Jagueneau, a site foreman for the Ponts et Chaussées, who used it daily for his work. By 1955 the prototype had covered 2,500 km. The complete front axle, including the steering, and the rear axle carrying the engine and a single wheel were fully independent of the chassis, which was a rigid assembly of steel tubes. The engine was…