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  2. 3 ft gauge rail modelling - Wikipedia

    en.wikipedia.org/wiki/3_ft_gauge_rail_modelling

    On3 – Using O scale (1:48 ratio) with 0.75 in (19.05 mm) gauge track. Probably the second most popular scale. F scale – using 1:20.3 ratio with 45 mm (1.772 in) gauge track. This scale uses the same gauge as, and is derived from the popular G scale. It is the largest popular scale/gauge combination, and is suitable for use in the garden.

  3. Ballast cleaner - Wikipedia

    en.wikipedia.org/wiki/Ballast_cleaner

    More fully automated ballast cleaners were developed in the early- to mid-20th century by several companies including Speno [7] and Pullman-Standard; [8] a version of Pullman-Standard's machine was demonstrated in 1949 that was estimated to save railroad companies about $1,000 per mile of track on their maintenance ($12,806 in 2023). [9]

  4. Loram Maintenance of Way - Wikipedia

    en.wikipedia.org/wiki/Loram_Maintenance_of_Way

    Over time, Loram replaced its large work crews with automated machines which can clean ballast 2 to 2.5 feet (0.61 to 0.76 m) in depth. [5] LORAM Ballast Cleaner in Winnipeg, Manitoba, Canada on July 4th, 2019. The company's first mechanical products were the Mannix Sled and Mannix Plow, [6] both developed in the late 1950s.

  5. HOn30 gauge - Wikipedia

    en.wikipedia.org/wiki/HOn30_gauge

    The term HOn30 (and sometimes HOn2½) is generally used when modelling American prototypes while H0e is used for European prototypes. In Britain, the term OO9 is used. [1] All these terms refer to models of narrow-gauge railways built to the world's most popular model railway scale of HO (1:87) but using a track gauge of 9 mm (0.354 in)—the gauge used for N scale models of standard-gauge ...

  6. N scale - Wikipedia

    en.wikipedia.org/wiki/N_scale

    The term N gauge refers to the track dimensions, but in the United Kingdom in particular British N gauge refers to a 1:148 scale with 1:160 (9 mm or 0.354 in) track gauge modelling. The terms N scale and N gauge are often inaccurately used interchangeably, as scale is defined as ratio or proportion of the model, and gauge only as a distance ...

  7. List of narrow-gauge model railway scales - Wikipedia

    en.wikipedia.org/wiki/List_of_narrow-gauge_model...

    The scales used include the general European modelling range of Z, N, TT, H0, 0 and also the large model engineering gauges of I to X, including 3 + 1 ⁄ 2, 5, 7 + 1 ⁄ 4 and 10 + 1 ⁄ 4-inch gauge. As 00 is a particularly British scale, it is not included within this pan-European standard. However the predominantly US imperial-based S scale ...

  8. List of rail transport modelling scale standards - Wikipedia

    en.wikipedia.org/wiki/List_of_rail_transport...

    This gauge is represented by the EM Society (in full, Eighteen Millimetre Society). 00 track (16.5 mm) is the wrong gauge for 1:76 scale, but use of an 18.2 mm (0.717 in) gauge track is accepted as the most popular compromise towards scale dimensions without having to make significant modifications to ready-to-run models. Has a track gauge ...

  9. HOn3½ gauge - Wikipedia

    en.wikipedia.org/wiki/HOn3½_gauge

    In the same scale standard-gauge trains are modelled on 16.5 mm (0.65 in) gauge track, known as HO scale. Sn3½ is also used to represent 3 ft 6 in (1,067 mm), as the gauge is the same as HO scale. HOm uses the same 12mm gauge track to represent metre-gauge (3ft3.37in) railways.