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Difference between revisions of "BMW R71"
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{{BMW}} | {{BMW}} | ||
[[Category:BMW motorcycles]] | [[Category:BMW motorcycles]] | ||
{{Infobox Motorcycle | |||
|name = '''BMW R71''' | |||
|image = | |||
|aka = R 71 | |||
|manufacturer = [[BMW]] | |||
|parent_company = | |||
|production = 1938 - 1941 | |||
|model_year = | |||
|predecessor = | |||
|successor = | |||
|class = [[Classic]] | |||
|engine = two cylinder boxer, four-stroke | |||
|bore_stroke = 78.0mm x 78.0mm | |||
|compression = 5.5:1 | |||
|top_speed = 78 mph (125 km/h) | |||
|power = 21.59 HP (16.1 KW) @ 4600RPM | |||
|torque = | |||
|ignition = | |||
|spark_plug = | |||
|battery = 5.5:1 | |||
|transmission = Gear box: 4-speed <br> | |||
Final Drive: [[shaft]] drive (cardan) <br> | |||
Clutch: dry-single plate-cable operated <br> | |||
|frame = | |||
|suspension =Front: cartridge <br> | |||
Rear: twin shock-swingarm | |||
|brakes =Front: expanding [[brake]] (drum brake). single <br>Rear: expanding brake (drum brake) | |||
|front_tire = {{tire|3.5-19}} | |||
|rear_tire = {{tire|3.5-19}} | |||
|rake_trail = | |||
|wheelbase = 55.12 inches (1400 mm) | |||
|length = 83.86 inches (2130 mm) | |||
|width = 32.09 inches (815 mm) | |||
|height = 37.8 inches (960 mm) | |||
|seat_height = | |||
|dry_weight = | |||
|wet_weight = 187.0 kg | |||
|fuel_capacity = 3.7 Gallon (14.00 Liters) | |||
|oil_capacity = | |||
|fuel_consumption = 4.50 litres/100 km (22.2 km/l or 52.27 mpg) | |||
|turning_radius = | |||
|related = | |||
|competition = | |||
}} | |||
The '''[[BMW]] R71''' was a two cylinder boxer, [[four-stroke]] Classic [[motorcycle]] produced by [[BMW]] between 1938 and 1941. It could reach a top speed of 78 mph (125 km/h). Claimed [[horsepower]] was 21.59 HP (16.1 KW) @ 4600 RPM. | |||
==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 746.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv). | |||
==Drive== | |||
The bike has a 4-speed transmission. Power was moderated via the dry-single plate-cable operated. | |||
==Chassis== | |||
It came with a 3.5-19 front [[tire]] and a 3.5-19 rear tire. Stopping was achieved via expanding brake (drum brake). single in the front and a expanding brake (drum brake) in the rear. The front suspension was a cartridge while the rear was equipped with a twin shock-swingarm. The R71 was fitted with a 3.7 Gallon (14.00 Liters) fuel tank. The wheelbase was 55.12 inches (1400 mm) long. | |||
==1938 - 1941 BMW R 71== | |||
[[File:bmw-r71-1938-1941-0.jpg|600px|1938 - 1941 BMW R 71]] | |||
The 1938 BMW R 71 is one of the most powerful machines designed by the House of Munich up to date. It sports an air-cooled, four-stroke, 746cc, boxer twin cylinder powerhouse mated to a four-speed manual transmission and can produce a claimed 22 horsepower at 4600 rpm. Standard features include full-fenders, a rear, fender-mounted luggage rack, laced wheels, a dual exhaust system, a telescopic front fork, plunger shocks, a sprung single seat and a large, round headlight. In addition, it can be fitted with a sidecar. | |||
==In Media== | |||
* [https://motopixel.org/pixel/tajemnica-twierdzy-szyfrow#bmw-r71 Tajemnica twierdzy szyfrów] | |||
* [https://motopixel.org/pixel/misja#bmw-r71 Misja] | |||
* [https://motopixel.org/pixel/otryad#bmw-r71 Otryad] | |||
* [https://motopixel.org/pixel/pojazdy-powstanczej-warszawy#bmw-r71 Pojazdy powstanczej Warszawy] | |||
* [https://motopixel.org/pixel/stawka-wieksza-niz-zycie#bmw-r71 Stawka wieksza niz zycie] | |||
* [https://motopixel.org/pixel/inglourious-basterds#bmw-r71 Inglourious Basterds] | |||
* [https://motopixel.org/pixel/dom#bmw-r71 Dom] | |||
* [https://motopixel.org/pixel/un-singe-en-hiver#bmw-r71 Un singe en hiver] | |||
* [https://motopixel.org/pixel/tutti-figli-di-mammasantissima#bmw-r71 Tutti figli di Mammasantissima] | |||
* [https://motopixel.org/pixel/shumatsu-no-izetta#bmw-r71 Shumatsu no Izetta] | |||
* [https://motopixel.org/pixel/magyar-vandor#bmw-r71 Magyar Vándor] | |||
* [https://motopixel.org/pixel/farbfilme-aus-dem-dritten-reich#bmw-r71 Farbfilme aus dem Dritten Reich] | |||
* [https://motopixel.org/pixel/obsluhoval-jsem-anglickeho-krale#bmw-r71 Obsluhoval jsem anglického krále] | |||
* [https://motopixel.org/pixel/island-at-war#bmw-r71 Island at War] | |||
* [https://motopixel.org/pixel/joanna#bmw-r71 Joanna] | |||
* [https://motopixel.org/pixel/soviet-storm-wwii-in-the-east#bmw-r71 Soviet Storm: WWII in the East] | |||
* [https://motopixel.org/pixel/na-vseki-kilometar#bmw-r71 Na vseki kilometar] | |||
* [https://motopixel.org/pixel/zamach#bmw-r71 Zamach] | |||
* [https://motopixel.org/pixel/nad-tissoy#bmw-r71 Nad Tissoy] | |||
* [https://motopixel.org/pixel/victory#bmw-r71 Victory] | |||
* [https://motopixel.org/pixel/the-history-of-bmw-the-definitive-story#bmw-r71 The History of BMW: The Definitive Story] | |||
* [https://motopixel.org/pixel/horrors-of-war#bmw-r71 Horrors of War] | |||
* [https://motopixel.org/pixel/general-nil#bmw-r71 General Nil] | |||
* [https://motopixel.org/pixel/vive-la-france-2#bmw-r71 Vive la France] | |||
* [https://motopixel.org/pixel/die-brucke#bmw-r71 Die Brücke] | |||
* [https://motopixel.org/pixel/italiani-brava-gente#bmw-r71 Italiani brava gente] | |||
* [https://motopixel.org/pixel/karol-czlowiek-ktory-zostal-papiezem#bmw-r71 Karol. Czlowiek, ktory zostal papiezem] | |||
* [https://motopixel.org/pixel/the-last-emperor#bmw-r71 The Last Emperor] | |||
* [https://motopixel.org/pixel/gli-sbandati#bmw-r71 Gli sbandati] | |||
* [https://motopixel.org/pixel/spy-sorge#bmw-r71 Spy Sorge] | |||
[[Category:Classic motorcycles]] | |||
[[Category:BMW motorcycles]] | |||
[[Category:1930s motorcycles]] | |||
[[Category:1940s motorcycles]] | |||
[[Category:Motorcycles needing images]] | |||