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May 2001 - Page 52


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Photo 6 shows some bents for the Atkins River trestle. The structures that take the most stress are the ones that the trains must use for passage. Remember that the same forces that work on the real railroad also work in miniature on our trains as well. An engine weighing a pound or more plus a train of cars at six ounces each can add up quickly. Then add the fact that they are moving, and the forces get much greater. On all of the bridges I try to pin or screw them together as much as possible, trying not to sacrifice the prototype look of the model. In the bents shown, the top and bottom caps are nailed to the pilings. The cross braces are spiked to the piling sides. Glue is also applied to all of these joints. The result is a very strong bent that resists racking and holds up very well. There are many fasteners on the market and most good hobby shops have a wide selection from which to chose. Be sure to check the R.C. airplane section as they have many sheet-metal screws in

very small sizes. Walthers and Woodland Scenics both produce small screws of various types that are good to use. Mrklin also makes some flathead wood screws that are smaller than 0 and only .4" long. These are stocked as #7599, K-GLEIS, 1.4mm x 10mm. I use these for building construction because they are very small, hold well, and they are easily hidden from view. Next time you look at scratchbuilding, or at a kit, think about the longevity of the building and the strength needed for the building to be useful. Give some thought to how you can make the building stronger, it will be well worth your time in the long run.

52 MODEL RAILROADING

MAY 2001

Added January 5, 2011 - Share
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