The BMW R75 is a World Battle II-era motorcycle and sidecar blend made by the German company BMW.
In the 1930s BMW were creating a variety of popular and highly effective motorcycles. In 1938 development of the R75 started in respond to a need from the German Army.
Preproduction models of the R75 were driven by the 750 cc aspect valve engine, which was predicated on the R71 engine. Nonetheless it was quickly found essential to design an all-new OHV 750 cc engine unit for the R75 device. This OHV engine unit later proved to be the foundation for succeeding post-war twin BMW engines like the R51/3, R67 and R68.
The third side-car wheel was driven with an axle linked to the trunk wheel of the motorcycle. They were equipped 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 surfaces. 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 utilized by the Wehrmacht in Russia and North Africa, though over time 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 Army, agreed upon standardization of parts for both machines, with a view of eventually developing a Z?ndapp-BMW hybrid (chosen the BW 43), when a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. They also arranged that the make of the R75 would cease once production come to 20,200 products, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, processing 20,000 each year.
Since the target of 20,200 BMW R75's was not reached, it continued to be in production until the Eisenach stock was so terribly broken by Allied bombing that creation ceased in 1944. An additional 98 systems were constructed by the Soviets in 1946 as reparations.
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