The BMW R75 is a global Warfare II-era motorcycle and sidecar mixture produced by the German company BMW.
In the 1930s BMW were creating a volume of popular and highly effective motorcycles. In 1938 development of the R75 were only available in response to a demand from the German Army.
Preproduction types of the R75 were power by way of a 750 cc part valve engine, which was predicated 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 unit later proved to be the basis for following post-war twin BMW engines like the R51/3, R67 and R68.
The 3rd side-car wheel was motivated with an axle linked to the rear wheel of the motorcycle. These were fitted with a locking differential and selectable highway and off-road products ratios by which all and reverse gears worked well. 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 widely 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 upon 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. They also agreed that the production of the R75 would stop once production reached 20,200 units, and from then on point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, developing 20,000 each year.
Since the goal of 20,200 BMW R75's was not reached, it remained in production until the Eisenach manufacturer was so terribly damaged by Allied bombing that development ceased in 1944. An additional 98 units were constructed by the Soviets in 1946 as reparations.
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