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 Scott - 600 Sociable
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Photo ou archives : F-M. Dumas

Capacity : 600
Model : Sociable
Production : 1920 - 1924
Category : (R) Street Bike


600 Sociable - 1920

More than a sidecar

The brilliant motorcycle designer Alfred Angas Scott had conceived a motorcycle with a handlebar-mounted machine-gun as early as 1912. In 1915, the British Army held a contest for a lightweight machine-gun carriage, under the supervision of Winston Churchill. The Scott-Vickers gun-car proved too unorthodox for the War Office and the contract was awarded to the Clyno motorcycle company.

Triangulated Chassis

Scott's gun-car was intended to achieve a better weight distribution than was possible with a sidecar. Only one rear wheel was powered and driver and passenger sat side-by-side in a nacelle. The triangulated chassis was made up of small-diameter tubes, mostly of the same size to facilitate damage repair. Wheel steering added to the car-like appearance, but the wheel-plan was like that of a sidecar outfit and the engine was mounted as on a motorbike.

Enter the Sociable

After the war was over, Scott left his motorcycle company to develop a civil version of his gun-car, which he called the "Sociable." It had bodywork in molded fiberboard reinforced with ash laths and even a rumble seat. Small-scale production started in 1920. But few Scott Sociables survive today.


Engine: 578cc (76.2x63.5 mm) water-cooled parallel-twin two-stroke

Power Rating: 5 hp @ 1000 rpm

Valves: twin rotary valves driven from the crankshaft

Fuel System: carburetor

Transmission: constant-mesh 3-speed gearbox; shaft final drive to one rear wheel

Suspension: coil spring (front); independent by bell cranks and helical springs (rear)

Brakes: internal-expanding drum (rear wheels only)

Wheels: detachable and interchangeable steel disk

Weight: 448lb

Maximum Speed: 50 mph

This rare Scott Sociable demonstrates the curious appearance that cost this ingenious three-wheeler sales. An excessively conservative clientele thought that it resembled an automobile with a missing wheel!

Le fichier Moto Passion réalisé par François-Marie Dumas réunit près de deux mille photos accompagnées d'un historique très complet des machines présentées.
Il sera progressivement mis à jour ici et toute information complémentaire est la bienvenue sur info@moto-collection.org.

Cette documentation unique, qui constitue sans doute l'encyclopédie la plus exhaustive jamais écrite sur l'histoire de la moto, a été réalisée avec l'assistance de nombreux spécialistes dont principalement Didier Ganneau, Christophe Gaime, Mick Woollett, Jean Goyard, Bernard Salvat, Christian Rey, Yves Campion, Helmut Krackowizer, Michael Dregni, Michel Montange, etc. que je remercie ici.

Disponible sur demande :
- Les fiches originales sur papier
- Les photos et archives signées de mon nom en haute définition ou les documents originaux.
Me contacter sur info@moto-collection.org pour les conditions et droits d'utilisation.