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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.
Along with clearance, length of overhangs affects the approach and departure angles, which measure the vehicle's ability to overcome steep obstacles and rough terrain.The longer the front overhang, the smaller is the approach angle, and thus lesser the car's ability to climb or descend steep ramps without damaging the front bumpers. [1]
A gear train or gear set is a machine element of a mechanical system formed by mounting two or more gears on a frame such that the teeth of the gears engage. Gear teeth are designed to ensure the pitch circles of engaging gears roll on each other without slipping, providing a smooth transmission of rotation from one gear to the next. [ 2 ]
The Dana 53 first appeared in the late 1940s and is much like a Dana 60. Although all Dana 53s are semi-floating, rear axles, 9.25" ring gear diameter. It was used as OEM in 1960s full-size (C-body) Chrysler passenger cars equipped with the 440 CID engine. The Dana 53 was phased out in the late 1960s, replaced by the Dana 60.
In the UK, the Sterling was copied from the Nova kit car. The name Nova was already copyrighted by General Motors in the United States in the 1970s, and "Sterling" was chosen as the new name. In April 2010 The Sterling Sports car company was purchased by Robert Welsh the owner of SPECTOR Group INC.
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A road car usually has a ride height around 16–17 cm (6.3–6.7 in), while an SUV usually lies around 19–22 cm (7.5–8.7 in). Two well-known extremes are the Ferrari F40 with a 12.5 cm (4.9 in) ride height [1] and the Hummer H1 with a 40.64 cm (16.0 in) ride height.