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  2. British Rail Class 484 - Wikipedia

    en.wikipedia.org/wiki/British_Rail_Class_484

    The British Rail Class 484 D-Train is a class of electric multiple unit built by rolling stock manufacturer Vivarail which operates on the Island Line on the Isle of Wight. Based on the British Rail Class 230 diesel multiple unit, the units are part of the Vivarail D-Train family, converted from London Underground D78 Stock originally ...

  3. 4-8-4 - Wikipedia

    en.wikipedia.org/wiki/4-8-4

    Union Pacific 844, the only steam locomotive never retired by a North American Class I railroad. The 4-8-4 wheel arrangement was a progression from the 4-8-2 Mountain type and, like the 2-8-4 Berkshire and 4-6-4 Hudson types, an example of the "Super Power" concept in steam locomotive design that made use of the larger firebox that could be supported by a four-wheel trailing truck, which ...

  4. Class 484 - Wikipedia

    en.wikipedia.org/wiki/Class_484

    DBAG Class 483 and 484; SB Cargo TRAXX class Re484 locomotives This page was last edited on 22 June 2020, at 01:45 (UTC). Text is available under the Creative Commons ...

  5. ALCO S-2 and S-4 - Wikipedia

    en.wikipedia.org/wiki/ALCO_S-2_and_S-4

    It also owns another S-2, Mercury and Chase No. 484, which returned to service with No. 213 in 2018. The museum also has ex-Santa Fe No. 1534, an ALCO S-4 that is not in service. [5] The San Francisco Bay Railroad, the short-line railroad for the Port of San Francisco, operates S-2 No. 23 from the San Francisco Belt Line Railroad. S-2 No. 25 ...

  6. Toothed belt - Wikipedia

    en.wikipedia.org/wiki/Toothed_belt

    Toothed belts are used widely in mechanical devices, including sewing machines, photocopiers and many others. A major use of toothed belts is as the timing belt used to drive the camshafts within an automobile or motorcycle engine. As toothed belts can deliver more power than a friction-drive belt, they are used for high-power transmissions.

  7. BvS10 - Wikipedia

    en.wikipedia.org/wiki/BVS10

    British Viking in the well dock of HMS Bulwark Viking Mortar Section of RM Armoured Support Group in 2020 Queen's Royal Lancers in Helmand, 2008.. The BvS10 (Bandvagn Skyddad 10, also known as Bandvagn 410 or BV410) is a tracked articulated amphibious all-terrain armoured vehicle produced by BAE Systems Land Systems Hägglunds of Sweden. [1]

  8. New York Central Niagara - Wikipedia

    en.wikipedia.org/wiki/New_York_Central_Niagara

    The New York Central Railroad's Niagara was a class of 27 4-8-4 steam locomotives built by the American Locomotive Company for the New York Central Railroad.Like many railroads that adopted different names for their 4-8-4s rather than “Northerns”, the New York Central named them “Niagaras”, after the Niagara River and Falls.

  9. Belt (mechanical) - Wikipedia

    en.wikipedia.org/wiki/Belt_(mechanical)

    Flat belts also tend to slip on the pulley face when heavy loads are applied, and many proprietary belt dressings were available that could be applied to the belts to increase friction, and so power transmission. Flat belts were traditionally made of leather or fabric. Early flour mills in Ukraine had leather belt drives.