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  2. List of rail transport modelling scale standards - Wikipedia

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

    For HO and O-scales, NMRA uses the letter "O" whereas NEM uses the number zero (H0 instead of HO). The NMRA published alternative, more accurate and realistic standards for track and wheels sheet in S-1.1 These model railway standards are based on the full size prototype standards and the scale model operational reliability is therefore reduced ...

  3. Railroad switch - Wikipedia

    en.wikipedia.org/wiki/Railroad_switch

    A right-hand railroad switch with point indicator pointing to right Animated diagram of a right-hand railroad switch. Rail track A divides into two: track B (the straight track) and track C (the diverging track); note that the green line represents direction of travel only, the black lines represent fixed portions of track, and the red lines depict the moving components.

  4. Wye (rail) - Wikipedia

    en.wikipedia.org/wiki/Wye_(rail)

    A simple wye Countryside wye near Lüderitz, Namibia. In railroad structures and rail terminology, a wye (like the 'Y' glyph) or triangular junction (often shortened to just triangle) is a triangular joining arrangement of three rail lines with a railroad switch (set of points) at each corner connecting to the incoming lines.

  5. Digital model railway control systems - Wikipedia

    en.wikipedia.org/wiki/Digital_model_railway...

    Prices of Zero 1 articles according to the Hornby Railways price list from 1980 [5] R.950 Master Controller: 46.35 £ R.951 Slave Controller: 13.35 £ R.952 Hand Slave Controller (NEW) Autumn: 13.35 £ R.955 Loco Operating Module: 7.15 £ R.956 Accessory Operating Module (NEW) Summer: TBA; For comparison: R.842 LMS Class 5 4-6-0: 23.15 £

  6. Facing and trailing - Wikipedia

    en.wikipedia.org/wiki/Facing_and_trailing

    Turnouts facing and trailing. Note that this diagram is for left-hand traffic; for right-hand traffic, "F" and "T" would be swapped. Facing or trailing are railway turnouts (or 'points' in the UK) in respect to whether they are divergent or convergent. When a train traverses a turnout in a facing direction, it may diverge onto either of the two ...

  7. HO scale - Wikipedia

    en.wikipedia.org/wiki/HO_scale

    HO or H0 is a rail transport modelling scale using a 1:87 scale (3.5 mm to 1 foot). It is the most popular scale of model railway in the world. [1] [2] The rails are spaced 16.5 millimetres (0.650 in) apart for modelling 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge tracks and trains in HO.

  8. North American railroad signals - Wikipedia

    en.wikipedia.org/wiki/North_American_railroad...

    Limited Speed - A speed less than Normal Speed that was employed starting in the 1940s for use with higher speed turnouts (switches). This speed is defined by individual railroads and ranges anywhere from 40 miles per hour (64 km/h) to 60 miles per hour (97 km/h).

  9. On30 gauge - Wikipedia

    en.wikipedia.org/wiki/On30_gauge

    Layout Stirmouth & Southern Railroad Company in On30 gauge, based on the Bachmann Industries models.. On30 (also called On2 1 ⁄ 2, O16.5 and Oe) gauge is the modelling of narrow gauge railways in O scale on HO (16.5 mm / 0.65 in) gauge track in 1:48 scale ratio by American and Australian model railroaders, in 1:43.5 scale ratio by British and French model railroaders and 1:45 by Continental ...