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RMI steam locomotives are based on the concepts of Keith Watson, Australia's famous locomotive designer. All models have been re-drawn and re-dimensioned in Imperial units (Inch standard). Plans now include not only "D" size (24" x 36") drawings, but also include an individual 8 1/2" x 11", fully dimensioned drawing of most parts (approx. 350 pages total!). We currently offer two 6-coupled, two 4-coupled, and two Forney style locomotives. All are 3.75" scale. There is a high degree of commonality among all models. They all share the same castings, and most water-jet and laser-cut parts. This assures interchangeability and helps us control manufacturing costs. Parts are available in a number of levels of finish. Castings can be purchased raw or fully machined. They are made from the best grade ductile or gray iron, aluminum, and bronze. Frames are flame cut from 1" thick steel plate, normalized and straightened. They are also available fully machined. Other steel parts are laser cut and CNC machined. Rods and motion are cut, not cast, from thick section 6061-T6 aluminum (3/4" and greater) plate using ultra-high pressure water-jet equipment. Sub-assemblies such as the Johnson-bar, fire box door, smoke box saddle, etc. are available as separate kits. Special parts such as piston rings, valves, and gaskets are stocked. RMI also offers finished boilers. There are presently two models, a shorter version for 4-coupled locos, and a longer one for 6-coupled locos. Both are Water Leg Boilers (wet firebox wall) style. Both have thirty-two 3/4" copper flues. Both are ASME Certified Boilers. We hope the following models will meet your needs, either with one of our current offerings, or as a starting point for your own masterpiece. |
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Sweet Creek 2-6-0 |
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Prairie |
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Frontier Colombia |
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Sandy River |
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Stuart |
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