The BMW R75 is a World Conflict II-era motorcycle and sidecar combination produced by the German company BMW.
Within the 1930s BMW were producing a number of popular and impressive motorcycles. In 1938 development of the R75 were only available in reaction to a question from the German Army.
Preproduction models of the R75 were power by way of a 750 cc part valve engine, which was based on the R71 engine. However it was quickly found essential to design an all-new OHV 750 cc engine motor for the R75 device. This OHV engine motor later became the foundation for subsequent post-war twin BMW engines like the R51/3, R67 and R68.
The third side-car wheel was powered with an axle linked to the rear wheel of the motorcycle. They were installed with a locking differential and selectable street and off-road equipment ratios through which all and change gears did the trick. This made the R75 highly manoeuvrable and capable of negotiating most floors. A few other motorcycle manufactures, like FN and Norton, provided an optional drive to sidecars.
The BMW R75 and its rival the Z?ndapp KS 750 were both greatly used by the Wehrmacht in Russia and North Africa, though after a period of analysis it became clear that the Z?ndapp was the superior machine. In August 1942 Z?ndapp and BMW, on the urging of the Military, agreed upon standardization of parts for both machines, with a view of eventually building a Z?ndapp-BMW hybrid (designated the BW 43), in which a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. In addition they agreed that the manufacture of the R75 would stop once production reached 20,200 models, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, developing 20,000 each year.
Since the focus on of 20,200 BMW R75's was not reached, it continued to be in production before Eisenach factory was so terribly broken by Allied bombing that development ceased in 1944. A further 98 models were assembled by the Soviets in 1946 as reparations.
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