The BMW R12 and R17 are flat-twin engine motorcycles made by BMW Motorrad from 1935 through 1942. They were developed in 1935 based on the R7 concept of 1934. A few hundred R17s were made, ending in 1937, while the R12 continued through 1942, with a total of 36,008 produced.
11-425: (Redirected from R-12 ) R12 may refer to: Automobiles [ edit ] BMW R12 , a motorcycle Renault 12 , a French family car Aviation [ edit ] Bell R-12 , an American utility helicopter Caudron R.12 , a French experimental biplane Republic XR-12 Rainbow , an American experimental reconnaissance aircraft R-12 Kassel/Rothwesten ,
22-525: A Neolithic cemetery in Sudan Dichlorodifluoromethane , a refrigerant Ndombe language R-12 Dvina , a Soviet ballistic missile R12: Extremely flammable , a risk phrase Small nucleolar RNA R12 [REDACTED] Topics referred to by the same term This disambiguation page lists articles associated with the same title formed as a letter–number combination. If an internal link led you here, you may wish to change
33-498: A former United States Army Air Corps airfield in Germany Rubik R-12 Kevély , a Hungarian training glider Yakovlev R-12 , a Soviet prototype reconnaissance aircraft Roads [ edit ] R12 road (Belgium) R12 road (Ghana) R-12 regional road (Montenegro) R12 road (Russia) Public transport [ edit ] R12 (New York City Subway car) R12 (Rodalies de Catalunya) ,
44-937: A regional rail line in Catalonia, Spain Kenilworth Avenue Line of the Washington Metropolitan Area Transit Authority Vessels [ edit ] HMS Contest (R12) , a destroyer of the Royal Navy HMS ; Hermes (R12) , an aircraft carrier of the Royal Navy HMS R12 , a submarine of the Royal Navy USS ; R-12 (SS-89) , a submarine of the United States Navy Other uses [ edit ] R12 (cemetery) ,
55-712: The 1934 R7 went into production the following year, in the 1934 R12 and R17. On 14 February 1935, BMW presented the R12 together with the R17 on the German Automobile Exhibition in Berlin for the first time, being a direct successor to the BMW R11 . This and the R17 were the first in the world being produced with hydraulically damped telescopic forks . By 1942, the total number of BMW R12 motorcycles manufactured
66-406: The battery. The BMW R12 had a four-speed manual gearbox, operated by a hand shift lever on the fuel tank's right side. Several detail variations were seen in production. In common with most BMW Motorcycles , final drive was via shaft, with the drive shaft on the right side of the motorcycle. Front suspension used a telescopic fork, while the frame was rigid with an un-sprung rear end supporting
77-640: The final drive and a sprung seat for the rider. The R12 used drum brakes front and rear. Many R12's were equipped with a sidecar attached to the motorcycle's right side. A BMW R12 is in the Museum of Military History in Vienna , in its original camouflage. In 2018, an American company created a modified BMW R nineT with a close resemblance to the original R7, showing the R7-inspired custom at several shows and museums, and selling kits or complete bikes to
88-529: The link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=R12&oldid=1119874677 " Category : Letter–number combination disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages BMW R12 The BMW R7 was conceived in 1933 by engineer and designer Alfred Böning , with an Art Deco mathematical geometric basis of his design. Only one R7
99-501: The public. Alfred B%C3%B6ning Alfred Böning (1907-1984) was the chief engineer at BMW in the 1930s who was responsible for designing many iconic BMW motorcycles and motorcars. He reigned over the BMW design studio as a chief engineer before being replaced by chief engineer Fritz Fiedler and was promoted to become head of the automotive drawing office. Among his designs were the legendary 1934 BMW R7 motorcycle, that never saw
110-404: Was 36,000. For military purposes, the single carburetor Einvergasermotor was only available for the R12. The engine, designated M 56 S 6 or 212 , was a twin-cylinder boxer configuration - four stroke with a flathead design. The BMW R12 with two carburetors used a battery and coil ignition, while R12s with a single carburetor used a magneto ignition, capable of working independently from
121-697: Was ever made, which Böning disassembled and stuck away with design plans in a BMW warehouse. It was discovered more than seventy years later, in 2005. Hans Keckeisen in Munich began a restoration on behalf of the BMW Museum , completed 2012. After appearing in European bike shows, restored 1934 R7 was first shown in the US at the Pebble Beach Concours d'Elegance . Böning's new hydraulic fork design of
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