BMW_R75:5_DOom

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

Within the 1930s BMW were creating a quantity of popular and impressive motorcycles. In 1938 development of the R75 started in respond to a question from the German Military.

Preproduction models of the R75 were powered by the 750 cc side valve engine, that was based on the R71 engine motor. Nonetheless it was quickly found necessary to design an all-new OHV 750 cc engine for the R75 device. This OHV engine motor later proved to be the basis for succeeding post-war twin BMW engines like the R51/3, R67 and R68.

The 3rd side-car wheel was powered with an axle connected to the trunk wheel of the motorcycle. They were built in with a locking differential and selectable road and off-road gear ratios through which all four and reverse gears performed. 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 rival the Z?ndapp KS 750 were both extensively employed by the Wehrmacht in Russia and North Africa, though after a period 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 building 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 agreed that the produce of the R75 would stop once production reached 20,200 units, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, processing 20,000 every year.

Since the target of 20,200 BMW R75's had not been reached, it continued to be in production before Eisenach manufacturing plant was so terribly damaged by Allied bombing that creation ceased in 1944. An additional 98 models were built by the Soviets in 1946 as reparations.

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