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  2. Rolling resistance - Wikipedia

    en.wikipedia.org/wiki/Rolling_resistance

    Railroad steel wheel on steel rail. Passenger rail car about 0.0020 [26] 0.0019 to 0.0065 [27] Mine car cast iron wheels on steel rail 0.0022 to 0.0050 [28] Production bicycle tires at 120 psi (8.3 bar) and 50 km/h (31 mph), measured on rollers 0.0050: Dirty tram rails (standard) with straights and curves [citation needed] 0.0045 to 0.0080 [29]

  3. Tire balance - Wikipedia

    en.wikipedia.org/wiki/Tire_balance

    Tires with large unbalances are downgraded or rejected. When tires are fitted to wheels at the point of sale, they are measured again on a balancing machine, and correction weights are applied to counteract their combined unbalance. Tires may be rebalanced if driver perceives excessive vibration. Tire balancing is distinct from wheel alignment.

  4. Railway tire - Wikipedia

    en.wikipedia.org/wiki/Railway_tire

    Steel tire on a steam locomotive's driving wheel is heated with gas flames to expand and loosen it so it may be slipped over the wheel.. The steel wheel of a steam locomotive and other older types of rolling stock were usually fitted with a steel tire (American English) or tyre (in British English, Australian English and others) to provide a replaceable wearing element on a costly wheel.

  5. Train wheel - Wikipedia

    en.wikipedia.org/wiki/Train_wheel

    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).

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  7. Tire - Wikipedia

    en.wikipedia.org/wiki/Tire

    Wheel: Pneumatic tires are mounted onto wheels that most often have integral rims on their outer edges to hold the tire. Automotive wheels are typically made from pressed and welded steel, or a composite of lightweight metal alloys, such as aluminum or magnesium. There are two aspects to how pneumatic tires support the rim of the wheel on which ...

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