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 Riedel - 100 Imme R
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Photo ou archives :
2507

Capacity : 100
Model : Imme R
Production : 1948 - 1951
Category : (R) Street Bike

IMME

R 100 - 1949

A work of genius

Motorcycles are normally a complex assembly of tubes and other elements. By what miracle did the German engineer Norbert Riedel, who founded the Imme company at Immenstadt in 1949, succeed in making his first production model so simple? The name of the miracle is ‑ genius.

Single Suspension Leg

Throwing convention to the winds, Norbert Riedel created one of the most ingenious motorcycles of all time. A single-curved large-section tube with a massive steering head at its front end formed the backbone frame. The front suspension consisted of a parallelogram-sprung tubular leg like the landing gear of an aircraft.

Simple but Sophisticated

The rear suspension was also a single arm unit, but even more sophisticated. The swing arm was extended ahead of its pivot to support the engine – and also acted as the tailpipe. This arm pressed against a spring fixed to the frame; a friction damper was incorporated in its pivot, whose offset mounting kept a constant chain tension. Mounted on stub axles, as on an automobile, the wheels were quickly detachable and interchangeable. The oval power egg was a two-stroke with a one-bearing overhung crank. A 150 twin version came later but was not a success. Advanced as it was, the Imme marque was only in production from 1949 to 1953. Riedel lost his life in a skiing accident at the age of 50 in the early 1960s.

SPECIFICATIONS

Engine: 98cc (47x52 mm) horizontal air-cooled single-cylinder two-stroke

Power Rating: 4.5 hp @ 5800 rpm

Valves: two-stroke; intake port controlled by piston skirt

Fuel System: carburetor

Transmission: 3-speed twist-grip controlled, chain final drive

Suspension: single leg girder (front); cantilever swing arm (rear)

Brakes: drum (front & rear)

Wheels: interchangeable 2.50x19 inch wire (front & rear)

Weight: 143 lb

Maximum Speed: 47 mph







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.