Not much really...

Strictly off the top. Built this in two hours...

The Crillon Room comes from a luxury hotel that opened in 1909. This room was moved and is now in the Metropolitan Museum of Art.

A 30 minute creation.

The BMW R75 is a World War II-era motorcycle and sidecar combination produced by the German company BMW. In the 1930s BMW were producing a number of popular and highly effective motorcycles. In 1938 development of the R75 started in response to a request from the German Army. Pre-production models of the R75 were powered by a 750 cc side valve engine, which was based on the R71 engine. However it was quickly found necessary to design an all new OHV 750 cc engine for the R75 unit. This OHV engine later proved to be the basis for subsequent post-war twin BMW engines like the R51/3, R67 and R68. The third side-car wheel was driven with an axle connected to the rear wheel of the motorcycle. These were fitted with a locking differential and selectable road and off-road gear ratios through which all four and reverse gears worked. This made the R75 highly maneuverable and capable of negotiating most surfaces. A few other motorcycle manufactures (Norton is one) had a sidecar option.

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