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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") assembly drawings, but also include an individual 8 1/2" x 11", fully dimensioned drawing of each part (hundreds of pages!). By the end of this year, we will also be offering these drawings on a CD in .dwg and .dxf file formats. We hope that an "open architecture" approach to our designs will encourage builders to view our engines as starting points for custom projects. 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. Similar models in 2.5" scale will be available next year. 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, notcast, 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. Thereare presently two models, a shorter version for 4-coupled locos, and a longer one for 6-coupled locos. Both are Briggs (dry firebox wall) style. Both have thirty-two 3/4" copper flues. Although these boilers are NOT coded, they are built in conformance with the Australian model boiler code and are extremely robust and free steaming. 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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