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T-TRAK (all letters capitalized) is a modular model railroad system based on standards for module size, track placement, track interface, and electrical connections. The standards allow for a wide range of flexibility in design yet still maintain interoperability with all modules built per the standards.
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 in comparison to the models conforming to the normal NMRA standards.
NTRAK (all upper case letters) is one of several model railroad module standards. It is the most popular standard for use in United States N scale . NTRAK allows modelers to participate in a large layout but only invest a small amount of space at their own home.
This style of module allows for very quick set-up, compared with module systems that use joiner tracks. sTTandard , [ 18 ] Polish TT-scale (1:120) modules organization. T-TRAK , [ 19 ] is a modular system that uses table-top modules, 2 + 3 ⁄ 4 inches (70 mm) high, which set on tables, that are not part of the modules, but are often found at ...
Print/export Download as PDF; ... Pages in category "Rail transport modelling standards" The following 6 pages are in this category, out of 6 total. ... T-TRAK This ...
The Australian Model Railway Association has a set of standards based on FREMO called the "AMRA Free Form Module Standard." Version 2.4 of the standard was published in July 2024. As of 2024 [update] , there are standards for HO and N Scales, with an O Scale version under development in collaboration with the Aus7 O Scale Modeller's Group.
In regions where narrow-gauge lines form a small part of the rail network (as was the case on Russia's Sakhalin Railway), extra cost is involved in designing, manufacturing or importing narrow-gauge equipment. Solutions to interchangeability problems include bogie exchanges, a rollbock system, dual gauge, variable gauge, or gauge conversion.
Block rail is a lower profile form of girder guard rail, where the web is eliminated. In profile it is more like a solid form of bridge rail with a flangeway and guard added. Simply removing the web and combining the head section directly with the foot section would result in a weak rail, so additional thickness is required in the combined section.