Dampf-Kraft Wagen (German: steam-powered vehicle) or DKW is a historic car and motorcycle marque. In 1916, the Danish engineer Jørgen Skafte Rasmussen founded a factory in Saxony, Germany, to produce steam fittings. In the same year, he attempted to produce a steam-driven car, called the DKW. Although unsuccessful, he made a two-stroke toy engine in 1919, called Des Knaben Wunsch "a boy's desire". He also put a slightly modified version of this engine into a motorcycle and called it Das Kleine Wunder "a little marvel". This was the real beginning of the DKW brand: by the 1930s, DKW was the world's largest motorcycle manufacturer. In 1932, DKW merged with Audi, Horch and Wanderer to form the Auto Union, and all brands continued until World War II. After the war, Auto Union changed ownership a couple of times, first passed into the hands of Daimler-Benz in 1957, and was finally purchased by the Volkswagen Group in 1964.DKW motorcycles used 2-stroke engines which were technically advanced; the best-known one in the UK is the RT 125. As reparations after World War II, the design drawings of the RT125 were given to Harley-Davidson in the US and BSA in the UK. The HD version was known as the Hummer, while BSA used them for the Bantam. Designs from the DKW 2-stroke engine was also used in the Ariel Arrow and Leader.During the War, DKW engineers also created the Cyclemaster (which was essentially a redesigned 1938 Sachs Saxonette auxiliary unit). The plans for that were also confiscated, and the contract for production awarded to EMI in Great Britain. As has been remarked before, from German engineers, America got the H-bomb while Britain got the Cyclemaster…IFA and later MZ models continued in production until the 1990s, when economics finally brought production of the two stroke to an end. Other manufacturers also copied the DKW design, officially or otherwise, including Yamaha, Voskhod and Polish WSK.
Vintage DKW motorcycles enjoy an excellent reputation for design and engineering and are sought-after machines today. Spares are obtainable from Germany (some components were used in later MZ motorcycles, which makes spares availability much easier). There’s an active club in Germany, and Bernie of the British Two-Stroke Club runs an enthusiastic section for German machines in the UK.
Vintage DKW motorcycles enjoy an excellent reputation for design and engineering and are sought-after machines today. Spares are obtainable from Germany (some components were used in later MZ motorcycles, which makes spares availability much easier). There’s an active club in Germany, and Bernie of the British Two-Stroke Club runs an enthusiastic section for German machines in the UK.
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