The BMW R75 is a global War II-era motorcycle and sidecar blend produced by the German company BMW.
In the 1930s BMW were producing a volume of popular and impressive motorcycles. In 1938 development of the R75 started in response to a get from the German Army.
Preproduction types of the R75 were driven by the 750 cc area valve engine, which was based on the R71 engine. However it was quickly found necessary to design an all-new OHV 750 cc engine for the R75 device. This OHV engine motor later became the basis for subsequent post-war twin BMW engines like the R51/3, R67 and R68.
The third side-car wheel was motivated with an axle linked to the trunk wheel of the motorcycle. These were installed with a locking differential and selectable street and off-road items ratios through which all four 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 competitor the Z?ndapp KS 750 were both greatly employed by the Wehrmacht in Russia and North Africa, though after a period 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 Military, agreed after standardization of parts for both machines, with a view of eventually making a Z?ndapp-BMW hybrid (specified the BW 43), when a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. In addition they decided that the manufacture of the R75 would stop once production reached 20,200 items, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, processing 20,000 every year.
Since the focus on of 20,200 BMW R75's was not reached, it remained in production before Eisenach manufacturer was so terribly broken by Allied bombing that production ceased in 1944. An additional 98 models were constructed by the Soviets in 1946 as reparations.
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