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C/MRI (Computer/Model Railroad Interface) is a set of electronic modules that allow a computer to monitor and control real world devices, including those used in conjunction with model railroads. C/MRI was first introduced by Bruce Chubb in the February 1985 issue of the Model Railroader magazine. It appeared again with a four-part series ...
NMRA standard S-1.2 covers the popular model railway scales and S-1.3 defines scales with deep flanges for model railways with very sharp curves or other garden railway specific design features. In certain NMRA scales an alternative designation is sometimes used corresponding the length of one prototype foot in scale either in millimetres or in ...
These digital signals can control all aspects of the model trains and accessories, including signals, turnouts, lighting, level crossings, cranes, turntables, etc. Constant power is supplied to the track and digital signals are sent which require electronic decoders to be fitted to locomotives and other devices to interpret the commands.
The NEM standards define the model railroad scales and guide manufacturers in creating compatible products and assist modellers in constructing model railroad layouts that operate reliably. The standards cover areas like suggested grades , turnout radii, wheel profiles, coupling designs and Digital Command Control (DCC) and are mostly scale ...
A Japanese H0e scale model railroad One of the smallest (Z scale, 1:220) placed on the buffer bar of one of the larger (live steam, 1:8) model locomotives HO scale (1:87) model of a North American center cab switcher shown with a pencil for size Z scale (1:220) scene of a 2-6-0 steam locomotive being turned. A scratch-built Russell snow plow is ...
A chloridometer is a measuring instrument used to determine the concentration of chloride ions (Cl –) in a solution.It uses a process known as coulometric titration or amperostatic coulometry, the accepted electrochemistry reference method to determine the concentration of chloride in biological fluids, including blood serum, blood plasma, urine, sweat, and cerebrospinal fluid.
Model Railroader publishes two annual special issues: Great Model Railroads showcases 10-12 spectacular model railroads, including large, inspirational photographs, detailed track plans, and how-to information. Model Railroad Planning deals with aspects of designing and constructing a model railroad. Typical articles focus on reproducing ...
Narrow-gauge trains are usually modelled on 9 mm (0.354 in) gauge track which is known as H0e and industrial minimum-gauge lines are modelled on 6.5 mm (0.256 in) gauge track known as H0f gauge. HOn3 is used to model 3 ft ( 914 mm ) gauge railroads in the United States and uses a track gauge of 10.5 mm ( 0.413 in ).