The BMW R75 is a global War II-era motorcycle and sidecar combo made by the German company BMW.
Within the 1930s BMW were producing a range of popular and highly effective motorcycles. In 1938 development of the R75 were only available in respond to a need from the German Military.
Preproduction types of the R75 were powered by the 750 cc aspect valve engine, that was predicated on the R71 engine motor. Nonetheless it was quickly found essential to design an all-new OHV 750 cc engine for the R75 device. This OHV engine motor later became the basis for succeeding post-war twin BMW engines like the R51/3, R67 and R68.
The 3rd side-car wheel was driven with an axle linked to the trunk wheel of the motorcycle. These were built in with a locking differential and selectable road and off-road products ratios by which all four and invert gears worked. This made the R75 highly manoeuvrable and with the capacity of negotiating most surfaces. A few other motorcycle manufactures, like FN and Norton, provided an optional drive to sidecars.
The BMW R75 and its own rival the Z?ndapp KS 750 were both extensively utilized by the Wehrmacht in Russia and North Africa, though over time of evaluation it became clear that the Z?ndapp was the superior machine. In August 1942 Z?ndapp and BMW, on the urging of the Army, agreed after standardization of parts for both machines, with a view of eventually creating a Z?ndapp-BMW hybrid (designated the BW 43), when a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. In addition they arranged that the produce 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, processing 20,000 every year.
Since the target of 20,200 BMW R75's was not reached, it continued to be in production until the Eisenach factory was so badly broken by Allied bombing that development ceased in 1944. A further 98 systems were assembled by the Soviets in 1946 as reparations.
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