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  2. Grade (climbing) - Wikipedia

    en.wikipedia.org/wiki/Grade_(climbing)

    The V-scale is an open-ended scale that starts at V0 (although a slightly easier "VB" has been used for beginners), and increases in single-digit steps (i.e. V5, V6, V7), and was at V17 in 2023 with Burden of Dreams. The V-scale doesn't consider risk and is purely focused on the technical difficulty of the movements. [2]

  3. List of rail transport modelling scale standards - Wikipedia

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

    The 37.5 mm length is not derived by a certain scale ratio. While HO scale is a 1:87 scale (3.5 mm to 1 foot), resulting in a 16.5 mm (0.65 in) gauge from real life prototype 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge standard gauge. Conversely, modeling standard gauge in Lego trains would yield a scaling of (37.5:1435 =) 1:38.3.

  4. Vertical exaggeration - Wikipedia

    en.wikipedia.org/wiki/Vertical_exaggeration

    The vertical exaggeration is given by: = where VS is the vertical scale and HS is the horizontal scale, both given as representative fractions.. For example, if 1 centimetre (0.39 in) vertically represents 200 metres (660 ft) and 1 centimetre (0.39 in) horizontally represents 4,000 metres (13,000 ft), the vertical exaggeration, 20×, is given by:

  5. Rail transportation in the Greater Manila Area - Wikipedia

    en.wikipedia.org/wiki/Rail_transportation_in_the...

    Rail transportation in the Greater Manila Area is a major part of the transportation system in Metro Manila and its surrounding areas.The railway network, collectively known as the Greater Capital Region Railway System, [3] [4] [5] consists of the Manila Light Rail Transit System (LRT), Manila Metro Rail Transit System (MRT), and Philippine National Railways lines within the region.

  6. V scale (model railroading) - Wikipedia

    en.wikipedia.org/wiki/V_scale_(model_railroading)

    V-scale model railroading was created when Japanese game developer Artdink released A-Train in 1985, but it was not widely popularized until Microsoft released Microsoft Train Simulator (sometimes referred to as MSTS) and Australia's Auran/N3V Games released the successful family of Trainz railroad simulators, both in 2001. With the ability to ...

  7. Category:Scale model scales - Wikipedia

    en.wikipedia.org/wiki/Category:Scale_model_scales

    These are the various scales (ratios) used in making scale models around the world. ... Model railroad scales (5 C, 54 P) P. Playscale miniaturism (2 C, 22 P)

  8. Rail transport modelling scales - Wikipedia

    en.wikipedia.org/.../Rail_transport_modelling_scales

    Narrow-gauge models in this gauge can be as large as 1:3 scale. 5-inch Live steam: 1:12: 127 mm or 121 mm Ridable, outdoor gauge. The gauge is 5 in (127 mm) in Europe, but 4 + 3 ⁄ 4 in (121 mm) in US and Canada. For standard gauge prototypes at 5 inch, the correct scale is 1 1 ⁄ 16 inch per foot or approximately 1:11.3. Alternatively 1.1/8 ...

  9. 3 ft gauge rail modelling - Wikipedia

    en.wikipedia.org/wiki/3_ft_gauge_rail_modelling

    Sn3 – Using S scale (1:64 ratio) with 14.3 mm (0.563 in) gauge track. Limited commercial support. 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 ...