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Typical gear ratios on bicycles range from very low or light gearing around 20 gear inches (1.6 metres per revolution), via medium gearing around 70 gear inches (5.6 m), to very high or heavy gearing around 125 gear inches (10 m). As in a car, low gearing is for going up hills and high gearing is for going fast.
Crawl ratio is a term used in the automotive world to describe the highest gear ratio that a vehicle is capable of. Note that gear ratio, also known as speed ratio, of a gear train is defined as the ratio of the angular velocity of the input gear to the angular velocity of the output gear, and thus a higher gear ratio implies a larger speed reduction, i.e. the input speed is reduced more at ...
Triathlon handlebar, Trek carbon fibre tubing frame, disc wheels, [41] chain on a 55/14 gear ratio. [42] First attempt under the new rule-set and oldest record holder at 43 years old and one day. Set new German national record. 30 October 2014: Matthias Brändle: 24: World Cycling Centre Aigle, Switzerland (altitude 380m) 51.852 (New record ...
The gearbox was designed so that, for efficiency, the fastest ratio would be a "direct-drive" or "straight-through" 1:1 ratio, avoiding frictional losses in the gears. Achieving an overdriven ratio for cruising thus required a gearbox ratio even higher than this, i.e. the gearbox output shaft rotating faster than the engine.
Bracket racing is a form of drag racing that allows for a handicap between predicted elapsed time of the two cars over a standard distance, typically within the three standard distances (1/8 mile, 1,000 foot, or 1/4 mile) of drag racing.
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1st Gear Ratio 3.55:1 2nd Gear Ratio 2.16:1 3rd Gear Ratio 1.48:1 4th Gear Ratio 1.13:1 5th Gear Ratio 0.89:1 Reverse Gear Ratio 3.33:1 Final Drive Ratio 3.55:1. 3.42:1 or 3.72:1 found in 4WD F20's. There are two types of flywheel, depending on the manufacturing year. Kadetts had "Flat" flywheels, which are lighter, while Astras, Vectras and ...
In the United States, the term statute mile formally refers to the survey mile, [3] but for most purposes, the difference of less than 1 ⁄ 8 inch (3.2 mm) between the survey mile and the international mile (1609.344 metres exactly) is insignificant—one international mile is 0.999 998 US survey miles—so statute mile can be used for either.