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  2. File:7.65x21mm 10-to-1-scale diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:7.65x21mm_10-to-1...

    The file size of this SVG diagram may be abnormally large because most or all of its text has been converted to paths rather than using the more conventional <text> element. Unless rendering the text of the SVG file produces an image with text that is incurably unreadable due to technical limitations , it is highly recommended to change the ...

  3. List of rail transport modelling scale standards - Wikipedia

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

    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. File:OceanGate Titan schematic.svg - Wikipedia

    en.wikipedia.org/wiki/File:OceanGate_Titan...

    This drawing is to the scale of 1 pixel = 1 cm. Human figures, as drawn on the Pioneer 10 plaque, have been added for scale. According to the schematics on the plaque, the woman is 168 cm. Overall dimensions (6.7 m long and 2.5 m high) are taken from the OceanGate specification sheet: Titan 5-Person Submersible | 4,000 meters .

  5. List of scale model sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_scale_model_sizes

    This is the scale which MOROP has defined for O scale, because it is half the size of the 1:22.5 Scale G-gauge model railways made by German manufacturers. [citation needed] 1:43.5: 7.02 mm: Model railways (0) Exact O scale of 7 mm = 1 foot. 1:43: 7.088 mm: Die-cast cars: Still the most popular scale for die-cast cars worldwide, metric or ...

  6. Engineering drawing - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing

    Until the late 19th century, first-angle projection was the norm in North America as well as Europe; [7] [8] but circa the 1890s, third-angle projection spread throughout the North American engineering and manufacturing communities to the point of becoming a widely followed convention, [7] [8] and it was an ASA standard by the 1950s. [8]

  7. Descriptive geometry - Wikipedia

    en.wikipedia.org/wiki/Descriptive_geometry

    Given the X, Y and Z coordinates of P, R, S and U, projections 1 and 2 are drawn to scale on the X-Y and X-Z planes, respectively. To get a true view (length in the projection is equal to length in 3D space) of one of the lines: SU in this example, projection 3 is drawn with hinge line H 2,3 parallel to S 2 U 2.

  8. Model aircraft - Wikipedia

    en.wikipedia.org/wiki/Model_aircraft

    For example, 1:48 scale is 1/4" to 1-foot (or 1" to 4 feet) and 1:72 is 1" to 6 feet, while in metric scales such as 1:100th, 1 centimeter equals 1 meter. 1:72 scale was introduced with Skybirds wood and metal model aircraft kits in 1932 and were followed closely by Frog, which used the same scale from 1936 with their "Frog Penguin" brand. 1:72 ...

  9. Rail transport modelling scales - Wikipedia

    en.wikipedia.org/.../Rail_transport_modelling_scales

    1:8: 184 mm or 190.5 mm Ridable, outdoor gauge, named according to the gauge in inches, and scale in inches per foot, for example 7 + 1 ⁄ 4 in (184 mm) gauge, 1.5 inch scale. The gauge is 7 + 1 ⁄ 2 in (190.5 mm) in the US and Canada, where the scale sometimes is 1.6 inch for diesel-type models. Private and public (club) tracks exist in many ...