The BMW R75 is a World Conflict II-era motorcycle and sidecar combo made by the German company BMW.
In the 1930s BMW were creating a volume of popular and impressive motorcycles. In 1938 development of the R75 were only available in respond to a submission from the German Army.
Preproduction types of the R75 were run by a 750 cc part valve engine, which was based 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 unit later proved to be the foundation for following 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 built in with a locking differential and selectable road and off-road equipment ratios through which all four and invert gears proved helpful. This made the R75 highly manoeuvrable and with the capacity of negotiating most areas. Additional 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 broadly used 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 Military, 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 decided that the production of the R75 would stop once production reached 20,200 devices, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, manufacturing 20,000 each year.
Since the goal of 20,200 BMW R75's was not reached, it remained in production before Eisenach manufacturer was so badly destroyed by Allied bombing that development ceased in 1944. A further 98 products were assembled by the Soviets in 1946 as reparations.
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