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A fan clutch is a thermostatic engine cooling fan that can freewheel at low temperatures when cooling is not needed, allowing the engine to warm up faster, relieving unnecessary load on the engine. As temperatures increase, the clutch engages so that the fan is driven by engine power and moves air to cool the engine.
The race had a surprising number of car problems in the first few hours for the leading teams, which strung out the field. The second Porsche had sparkplug issues as early as the first lap, but the pair ran 1-2 through the night, until its clutch failed at 7am. It fell to the two GTP-class Rondeau to mount the pursuit, finishing second and third.
Where an additional cooling fan is driven by the engine, this also tracks engine speed similarly. Engine-driven fans are often regulated by a fan clutch from the drivebelt, which slips and reduces the fan speed at low temperatures. This improves fuel efficiency by not wasting power on driving the fan unnecessarily.
The sixth generation of the BMW 5 Series consists of the BMW F10 (saloon version), F18 (long-wheelbase saloon), BMW F11 (wagon, marketed as Touring) and BMW F07 (fastback/hatchback, marketed as Gran Turismo) executive cars and were produced by BMW from January 2010 (for the 2011 model year) to 2017, with F10 being launched on 20 March 2010 to domestic market and F11 in the summer of 2010. [10]
These valves have been unpopular with some drivers and are sometimes removed in favour of a conventional clutch action. [2] The BMW valve takes the form of a separate pipe fitting and is easily removed. Honda has also used clutch delay valves on some Civic models, which are integral to the clutch slave cylinder and must be dismantled in situ. [3]
The BMW 1 Series M Coupé (often referred to as the "1M") is the high-performance model of the E82 coupe range, sold under the BMW M performance sub-brand. While BMW naming convention would have called the car the "M1", an alternate name was chosen to avoid confusion with the BMW M1 supercar from the 1970's.
The BMW N43 is a naturally aspirated four-cylinder petrol engine which was sold from 2006 to 2013. It replaced both the BMW N46 and BMW N45 engines. [ 1 ] However the N43 was not sold in countries with high sulfur fuel, [ 2 ] therefore the N45/N46 engines remained in production alongside the N43.
A chainsaw's clutch. The chain wraps around a sprocket behind the clutch that turns with the outer drum. The input of the clutch is connected to the engine crankshaft while the output may drive a shaft, chain, or belt. As engine revolutions per minute increase, weighted arms in the clutch swing outward and force the clutch to engage. The most ...
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