Everything about The National Model Railroad Association totally explained
The
National Model Railroad Association, or
NMRA, is a
non-profit organization for those involved in the hobby or business of
model railroading. It was founded in the
United States in
1935, and is now active in
Canada,
Australia,
Great Britain, and the
Netherlands. It was previously headquartered in
Indianapolis, Indiana, and is now based in
Chattanooga, Tennessee.
The best-known activity of the NMRA is the defining of
standards, and advisory documents known as Recommended Practices (RP), for
model railroad equipment. Many standards defined by the NMRA are widely followed by the industry and modellers, including their HO scale track and wheel standards (S-3, S-4) and related RPs (RP2, 8, 10-15, and 25) and their
Digital Command Control (DCC) standard set (S-9.1, S-9.2, and RP9.1.1 through RP9.3.2).
The RP25 wheel design in particular has been critical in ensuring the reliability and interoperability of US-prototype model railroad equipment, since practically every manufacturer of such equipment uses wheels conforming to the RP. This is in marked contrast to the British market, in which there's no accepted standard among manufacturers. In
Europe, the
NEM standard is widely followed, but this is generally further away from prototype accuracy than NMRA standards, and the NEM wheel design is particularly so. This results in interoperability restrictions between European and American wheels and trackwork.
The NMRA also considers the education of model railroaders and encouraging learning and improving modelers' skills to be part of its mission. The NMRA runs an achievement program to encourage these skills, and runs modeling contests. Most notably these include the Master Model Railroader certification program and the Golden Spike award. Both programs involve the demonstration and/or judging of proficiency in one or more model railroading skill areas. These areas include Railroad Equipment, Railroad Setting, Railroad Construction & Operation, Service to the Hobby & NMRA Member. A full explanation of each program along with applications can be found on the NMRA website.
Promotion of the model railroading
hobby is also part of the NMRA's purpose.
The NMRA is home of the A.C. Kalmbach Memorial Library, which houses railroad-related books and videos, was recently designated as the official railroad library of the state of
Tennessee. The library is adjacent to the
Norfolk Southern Railway Georgia Division and the
Tennessee Valley Railroad Museum. It is named for
Al C. Kalmbach, founder of
Kalmbach Publishing, whose original magazines are
Model Railroader and
Trains.Further Information
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