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As these British layouts assumed the larger 00 scale of 4 mm to the foot (1:76.2), rather than H0's 1:87, the oversized locomotive bodies were now closer to scale size for the gauge. The coaching stock though had a ' miniature railway ', rather than narrow-gauge, look to them, accentuated by the toast-rack designs of some open stock.
OO gauge or OO scale (also, 00 gauge and 00 scale) is the most popular standard gauge model railway standard in the United Kingdom, [1] outside of which it is virtually unknown. OO gauge is one of several 4 mm-scale standards (4 mm to 1 ft (304.8 mm), or 1:76.2), and the only one to be marketed by major manufacturers.
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 ...
American OO scale is a model railroad standard that has a scale of 4 mm to 1 foot (1:76) and utilises 19 mm (0.748 in) for the standard gauge track. The standard is different from British 00 gauge (which is popular in Great Britain), as it utilises 19mm gauge track rather than HO scale 16.5 mm ( 0.65 in ) gauge track.
The clearance space between a train and the tunnel is often small. Pictured is a London Underground Northern line 1995 Stock train emerging from the tunnel north of Hendon Central station. A loading gauge is a diagram or physical structure that defines the maximum height and width dimensions in railway vehicles and their loads.
The 9 mm (0.354 in) track gauge is used by N gauge model railways, a common commercial scale, which means that a selection of wheels, track, and mechanisms is readily available. 2 ft ( 610 mm ) gauge railways were common in Britain, but the gauge implied by 9 mm at 4 mm scale - 2 ft 3 in ( 686 mm ) - was quite rare - today only the Talyllyn and ...
OO gauge uses 4 mm scale with 16.5 mm gauge track, [3] [4] which is inaccurately narrow since it is correct for HO scale (1:87.1). It is the most popular standard in the UK for 4 mm scale trains [5] and is produced by the two main manufacturers in the UK.
Thus the scale and approximate prototype gauge are represented, with the model gauge used (9 mm for H0e gauge; 6.5 mm for H0f gauge) being implied. [ 2 ] 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 ...