Difference between revisions of "BMW R11"
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[[Image:1929-BMW-R11.jpg| | {{Motorcycle | ||
|name = BMW R11 | |||
|photo= 1929-BMW-R11.jpg | |||
|aka = R11 Series 1, R11 Series 2, R11 Series 3, R11 Series 5, R11 Series 4, R 11 | |||
|manufacturer = BMW | |||
|parent_company = | |||
|production = 1929 - 1934 | |||
|model_year = | |||
|predecessor = | |||
|successor = [[BMW R12]] | |||
|class = Classic | |||
|engine = two cylinder boxer, four-stroke | |||
|bore_stroke = 78.0mm x 78.0mm | |||
|compression = 5.5:1 | |||
|top_speed = 68 mph (110 km/h) | |||
|power = 17.57 HP (13.1 KW) @ 3400RPM | |||
|torque = | |||
|ignition = magneto | |||
|spark_plug = | |||
|battery = | |||
|transmission = Gear box: 3-speed <br> | |||
Final Drive: [[shaft drive]] (cardan) <br> | |||
Clutch: two plates-dry <br> | |||
|frame = | |||
|suspension =Front: plate springe <br> | |||
Rear: rigid | |||
|brakes =Front: expanding [[brake]] (drum brake) <br>Rear: 37mm cardan brake | |||
|front_tire = {{tire|3.50-26.00}} | |||
|rear_tire = {{tire|3.50-26.00}} | |||
|rake_trail = | |||
|wheelbase = 54.33 inches (1380 mm) | |||
|length = 82.68 inches (2100 mm) | |||
|width = 35.04 inches (890 mm) | |||
|height = 37.01 inches (940 mm) | |||
|seat_height = | |||
|dry_weight = | |||
|wet_weight = 162.0 kg | |||
|fuel_capacity = 3.7 Gallon (14.00 Liters) | |||
|oil_capacity = | |||
|fuel_consumption = 4.50 liters/100 km (22.2 km/l or 52.27 mpg) | |||
|turning_radius = | |||
|related = [[BMW R16]] | |||
|competition = | |||
}} | |||
The '''[[BMW]] R11 Series 4''' was a two cylinder boxer, [[four-stroke]] Classic [[motorcycle]] produced by [[BMW]] between 1929 and 1934. It could reach a top speed of 68 mph (110 km/h). Claimed [[horsepower]] was 17.57 HP (13.1 KW) @ 3400 RPM. | |||
==History== | |||
[[Image:R11.jpg|thumb|350px|BMW R11]] | |||
Shortly after venturing into car manufacture for the first time by acquiring the Dixi works at Eisenach, [[BMW|BMW]] introduced a major innovation to its motorcycle range in 1929. The transversely mounted 'flat-twin' engine was already a BMW trademark but for the first time it was installed in a pressed-steel frame, the first model to incorporate this landmark of motorcycle design being the 740cc R11. BMW's relatively vibration-free engine was already a byword for smoothness and refinement, and this, coupled to a three-speed shaft-drive transmission, made the R11 sidevalve one of the finest touring motorcycles of its day. Progressively improved, the R11 was built in five series up to 1934. This R11 displays a total of only 4 kilometres on the odometer, which, presumably, is the distance covered since restoration. | |||
==Engine== | |||
The engine was a [[air cooled]] two cylinder boxer, four-stroke. A 78.0mm [[bore]] x 78.0mm [[stroke]] result in a [[displacement]] of just 745.0 cubic centimeters. Fuel was supplied via a sidevalves. | |||
==Drive== | |||
The bike has a 3-speed transmission. Power was moderated via the two plates-dry. | |||
==Chassis== | |||
It came with a 3.50-26.00 front [[tire]] and a 3.50-26.00 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a 37mm cardan brake in the rear. The front suspension was a plate springe while the rear was equipped with a rigid. The R11 Series 4 was fitted with a 3.7 Gallon (14.00 Liters) fuel tank. The wheelbase was 54.33 inches (1380 mm) long. | |||
==1929 - 1934 BMW R 11== | |||
[[File:bmw-r11-1929-1934-0.jpg|600px|1929 - 1934 BMW R 11]] | |||
The 1929 BMW R 11 sports an air-cooled, four-stroke, 745cc, twin cylinder powerplant paired to a three-speed manual transmission and can produce a claimed 20 horsepower at 4400 rpm. It comes with a plate spring front suspension, a rigid rear suspension with a sprung saddle, a dual exhaust system, a rear luggage rack, laced wheels, a round headlamp and a dry, single plate clutch. | |||
==In Media== | |||
* [https://motopixel.org/pixel/le-grand-bazar#bmw-r11 Le grand bazar] | |||
* [https://motopixel.org/pixel/das-bernstein-amulett#bmw-r11 Das Bernstein-Amulett] | |||
* [https://motopixel.org/pixel/33-45-in-farbe#bmw-r11 '33-'45 in Farbe] | |||
* [https://motopixel.org/pixel/the-grand-budapest-hotel#bmw-r11 The Grand Budapest Hotel] | |||
* [https://motopixel.org/pixel/rewers#bmw-r11 Rewers] | |||
{{BMW}} | {{BMW}} | ||
[[Category:BMW motorcycles|R11, BMW]] | [[Category:BMW motorcycles|R11, BMW]] | ||
[[Category:BMW R series]] | |||
[[Category:1920s motorcycles]] | |||
[[Category:Classic motorcycles]] | |||
[[Category:1930s motorcycles]] |
Latest revision as of 20:08, 23 November 2019
BMW R11 | |
Manufacturer | |
---|---|
Also called | R11 Series 1, R11 Series 2, R11 Series 3, R11 Series 5, R11 Series 4, R 11 |
Production | 1929 - 1934 |
Class | Classic |
Successor | BMW R12 |
Engine | two cylinder boxer, four-stroke |
Bore / Stroke | 78.0mm x 78.0mm |
Compression ratio | 5.5:1 |
Top Speed | 68 mph (110 km/h) |
Horsepower | 17.57 HP (13.1 KW) @ 3400RPM |
Ignition | magneto |
Transmission | Gear box: 3-speed Final Drive: shaft drive (cardan) |
Suspension | Front: plate springe Rear: rigid |
Brakes | Front: expanding brake (drum brake) Rear: 37mm cardan brake |
Front Tire | 3.50-26.00 |
Rear Tire | 3.50-26.00 |
Wheelbase | 54.33 inches (1380 mm) |
Length | 82.68 inches (2100 mm) |
Width | 35.04 inches (890 mm) |
Height | 37.01 inches (940 mm) |
Weight | 162.0 kg (wet) |
Fuel Capacity | 3.7 Gallon (14.00 Liters) |
Fuel Consumption | 4.50 liters/100 km (22.2 km/l or 52.27 mpg) |
Related | BMW R16 |
Manuals | Service Manual |
The BMW R11 Series 4 was a two cylinder boxer, four-stroke Classic motorcycle produced by BMW between 1929 and 1934. It could reach a top speed of 68 mph (110 km/h). Claimed horsepower was 17.57 HP (13.1 KW) @ 3400 RPM.
History[edit | edit source]
Shortly after venturing into car manufacture for the first time by acquiring the Dixi works at Eisenach, BMW introduced a major innovation to its motorcycle range in 1929. The transversely mounted 'flat-twin' engine was already a BMW trademark but for the first time it was installed in a pressed-steel frame, the first model to incorporate this landmark of motorcycle design being the 740cc R11. BMW's relatively vibration-free engine was already a byword for smoothness and refinement, and this, coupled to a three-speed shaft-drive transmission, made the R11 sidevalve one of the finest touring motorcycles of its day. Progressively improved, the R11 was built in five series up to 1934. This R11 displays a total of only 4 kilometres on the odometer, which, presumably, is the distance covered since restoration.
Engine[edit | edit source]
The engine was a air cooled two cylinder boxer, four-stroke. A 78.0mm bore x 78.0mm stroke result in a displacement of just 745.0 cubic centimeters. Fuel was supplied via a sidevalves.
Drive[edit | edit source]
The bike has a 3-speed transmission. Power was moderated via the two plates-dry.
Chassis[edit | edit source]
It came with a 3.50-26.00 front tire and a 3.50-26.00 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a 37mm cardan brake in the rear. The front suspension was a plate springe while the rear was equipped with a rigid. The R11 Series 4 was fitted with a 3.7 Gallon (14.00 Liters) fuel tank. The wheelbase was 54.33 inches (1380 mm) long.
1929 - 1934 BMW R 11[edit | edit source]
The 1929 BMW R 11 sports an air-cooled, four-stroke, 745cc, twin cylinder powerplant paired to a three-speed manual transmission and can produce a claimed 20 horsepower at 4400 rpm. It comes with a plate spring front suspension, a rigid rear suspension with a sprung saddle, a dual exhaust system, a rear luggage rack, laced wheels, a round headlamp and a dry, single plate clutch.
In Media[edit | edit source]
|