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{{DISPLAYTITLE:{{PAGENAME}}: history, specs, pictures}} | |||
[[Image:1927-BMW-R47.jpg|left|thumb|1927 BMW R47]] | [[Image:1927-BMW-R47.jpg|left|thumb|1927 BMW R47]] | ||
[[Image:R47.jpg|thumb|350px|BMW R47]] | [[Image:R47.jpg|thumb|350px|BMW R47]] | ||
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[[Category:BMW motorcycles|R47, BMW]] | [[Category:BMW motorcycles|R47, BMW]] | ||
[[Category:BMW R series]] | [[Category:BMW R series]] | ||
{{Motorcycle | |||
|name = BMW R47 | |||
|photo= 1927-BMW-R47.jpg | |||
|aka = | |||
|manufacturer = BMW | |||
|parent_company = | |||
|production = 1927 - 1928 | |||
|model_year = | |||
|predecessor = | |||
|successor = | |||
|class = | |||
|engine = two cylinder boxer, four-stroke | |||
|bore_stroke = 68.0mm x 68.0mm | |||
|compression = | |||
|top_speed = 68 mph (110 km/h) | |||
|power = 17.57 HP (13.1 KW) @ 4000RPM | |||
|torque = | |||
|fuel_system = carburetor. 20mm bmw spezial | |||
|ignition = bosh magneto | |||
|spark_plug = | |||
|battery = | |||
|transmission = Gear box: 3-speed <br> | |||
Final Drive: [[shaft drive]] (cardan) <br> | |||
Clutch: dry-single plate-cable operated <br> | |||
|frame = | |||
|suspension =Front: leading link <br> | |||
Rear: rigid | |||
|brakes =Front: expanding [[brake]] (drum brake) <br> | |||
|front_tire = {{tire|3.50-27}} | |||
|rear_tire = {{tire|3.50-27}} | |||
|rake_trail = | |||
|wheelbase = 55.51 inches (1410 mm) | |||
|length = 82.68 inches (2100 mm) | |||
|width = 31.5 inches (800 mm) | |||
|height = 37.4 inches (950 mm) | |||
|seat_height = | |||
|dry_weight = | |||
|wet_weight = 126.0 kg | |||
|fuel_capacity = 3.7 Gallon (14.00 Liters) | |||
|oil_capacity = | |||
|fuel_consumption = 3.00 liters/100 km (33.3 km/l or 78.41 mpg) | |||
|turning_radius = | |||
|related = | |||
|competition = | |||
}} | |||
The '''[[BMW]] R47''' was a two cylinder boxer, [[four-stroke]] standard produced by [[BMW]] between 1927 and 1928. It could reach a top speed of 68 mph (110 km/h). Claimed [[horsepower]] was 17.57 HP (13.1 KW) @ 4000 RPM. | |||
==Engine== | |||
The engine was a [[air cooled]] two cylinder boxer, four-stroke. A 68.0mm [[bore]] x 68.0mm [[stroke]] result in a [[displacement]] of just 494.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv). | |||
==Drive== | |||
The bike has a 3-speed transmission. Power was moderated via the dry-single plate-cable operated. | |||
==Chassis== | |||
It came with a 3.50-27 front [[tire]] and a 3.50-27 rear tire. The front suspension was a leading link while the rear was equipped with a rigid. The R47 was fitted with a 3.7 Gallon (14.00 Liters) fuel tank. The wheelbase was 55.51 inches (1410 mm) long. | |||
[[Category:standard motorcycles]] | |||
[[Category:BMW motorcycles]] | |||
[[Category:1920s motorcycles]] |