Dumas (France) - AllCarIndex

Dumas was a French automobile manufacturer that operated briefly between 1902 and 1903. Founded by M.A. Dumas fils in Champigny-sur-Marne, Seine, the company specialized in the production of three-wheeled vehicles.

The Dumas vehicle featured a distinctive design, characterized by its single front wheel and a 4.5 horsepower single-cylinder Buchet engine. This engine was mounted under a bonnet, and the power was transmitted to the front wheel through a chain connected to a two-speed transmission. A notable aspect of the design was the arrangement of the transmission mechanism, which allowed it to turn with the wheel while the engine remained fixed to the frame. This innovative setup was highlighted in contemporary automotive publications, although the specifics were not fully explained.

Additionally, the Dumas vehicle incorporated a safety feature that automatically disengaged the engine from the transmission when the brakes were applied, enhancing the vehicle's control during operation. Despite its unique engineering, the Dumas brand had a short-lived presence in the automotive industry.