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The wagons were guided by the pronounced flange on the wooden wheels, and the narrow gauge of 480 mm (18 + 7 ⁄ 8 in) allowed the points to be altered by swinging the single switch rail. [1] Contemporary illustration of guided truck used in 16th-century mines in Germany Reconstruction of flat wooden track for transporting silver ore; guidance ...
An early wheel made of a solid piece of wood. A wheel is a rotating component (typically circular in shape) that is intended to turn on an axle bearing. The wheel is one of the key components of the wheel and axle which is one of the six simple machines. Wheels, in conjunction with axles, allow heavy objects to be moved easily facilitating ...
According to Dupuit (1837), rolling resistance (of wheeled carriages with wooden wheels with iron tires) is approximately inversely proportional to the square root of wheel diameter. [34] This rule has been experimentally verified for cast iron wheels (8″ - 24″ diameter) on steel rail [35] and for 19th century carriage wheels. [33]
Cross-sections of flat-bottomed rail which can rest directly on the sleepers, and bullhead rails which sit in chairs (not shown). The rail profile is the cross sectional shape of a railway rail, perpendicular to its length. Early rails were made of wood, cast iron or wrought iron.
A train wheel or rail wheel is a type of wheel specially designed for use on railway tracks. The wheel acts as a rolling component, typically press fitted onto an axle and mounted directly on a railway carriage or locomotive, or indirectly on a bogie (in the UK), also called a truck (in North America). The powered wheels under the locomotive ...
Parts of a wheel. The basic parts of a wooden wheel are nave (or hub), spokes, felloes (felly) and tyre (tire). [3] [4] The nave is the central block of the wheel. In a wooden-spoked wheel, the nave acts as the hub. One end of each spoke is set into the nave in a process called tennoning. In older wheels, the nave had a 6-inch sleeve that fit ...