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1:480. 0.635 mm. Model railways (T) T scale, using 3 mm gauge track to represent standard gauge railways. 1:450. 0.677 mm. Model railways (T) T scale, using 3 mm gauge track to represent 3 ft 6 in (1,067 mm) gauge railways. Hasegawa also produces plastic ship models in this scale.
1:20 and 1:40 scales are used for working plans. 1:60 is normally used only to show large areas of a project. In 1918 French described the US engineer's scale using the term "civil engineers' scale", and it was said to be "used for plotting and map drawing, and the graphic solution of problems." [3]
1:20.3: 45 mm Similar to G Scale below, this scale also uses 45 mm (1.772 in) gauge track, and is used for both indoor and garden railways of narrow-gauge prototypes. The scale of 1:20.3 was developed to depict North American 3 ft (914 mm) gauge trains in exact proportion to their correct track gauge whilst using 45 mm (1.772 in) gauge model ...
The scale ratio of a model represents the proportional ratio of a linear dimension of the model to the same feature of the original. Examples include a 3-dimensional scale model of a building or the scale drawings of the elevations or plans of a building. [1] In such cases the scale is dimensionless and exact throughout the model or drawing.
A scale model of a hydropower turbine. A scale model is a physical model that is geometrically similar to an object (known as the prototype). Scale models are generally smaller than large prototypes such as vehicles, buildings, or people; but may be larger than small prototypes such as anatomical structures or subatomic particles.
G scale or G gauge, also called large scale (45 mm or 1⁄4 inches), is a track gauge for model railways which is often used for outdoor garden railways because of its size and durability. G scale trains use a fixed track gauge of 45 millimetres (1.75 in) to accommodate a range of rail transport modelling scales between narrow gauge (~1:13 ...
≈1:52 – 1:48: Heroic scale of 32 mm miniatures. 1:50 scale is a popular size for diecast models from European manufacturers. 1:48 is commonly known as quarter scale or American O scale. 40 mm: ≈7 mm: ≈1:45 – 1:43: Older figures from the 60s and tend to be thinner / shorter than new metal ones. Close to O scale model railroads. 54 mm ...
Order of magnitude. Order of magnitude is a concept used to discuss the scale of numbers in relation to one another. Two numbers are "within an order of magnitude" of each other if their ratio is between 1/10 and 10. In other words, the two numbers are within about a factor of 10 of each other. [1]