Powerdynamo for BMW R75 WH

The BMW R75 is a global Conflict II-era motorcycle and sidecar combination made by the German company BMW.

Inside the 1930s BMW were creating a variety of popular and impressive motorcycles. In 1938 development of the R75 were only available in reaction to a need from the German Military.

Preproduction models of the R75 were power with a 750 cc area valve engine, which was predicated on the R71 engine unit. However it was quickly found essential to design an all-new OHV 750 cc engine motor for the R75 product. This OHV engine motor later became the basis 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. These were installed with a locking differential and selectable road and off-road equipment ratios through which all and invert gears performed. This made the R75 highly manoeuvrable and capable of negotiating most areas. 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 widely used 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 Military, agreed upon standardization of parts for both machines, with a view of eventually developing 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 agreed that the manufacture of the R75 would stop once production reached 20,200 products, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, manufacturing 20,000 every year.

Since the focus on of 20,200 BMW R75's had not been reached, it remained in production before Eisenach factory was so badly harmed by Allied bombing that production ceased in 1944. A further 98 systems were constructed by the Soviets in 1946 as reparations.

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