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controls

Modeler's Moment - Making push rods turn corners

Bell cranks on turnout push rods

Turnouts that are far from the operating aisle can sometimes require some special treatment to use manual turnout controls. If the control can be mounted in line with the throw bar, a simple push rod is all that's needed. But if the turnout is at an angle other than perpendicular, you will need to use something like a bell crank to change the push rod's direction of travel. The crank can be made very simply with a scrap piece of brass sheet like we see on this HO scale layout. For this purpose, brass is more highly recommended than thick styrene because the holes in the styrene where the push rods attach will wear out much too quickly. If you're not adept at working with brass, check at your local radio control hobby shop for commercial bell cranks.

Modeler's Moment - One reason to switch to DCC

A complex control panel

There are many reasons to choose one control system over another, but this picture shows one of the primary reasons that I'm building my own model railroad with DCC. The control panel shown here has one DPST switch for each 10-inch segment of track in the layout's engine facility. Just moving a single engine out of the engine house on this layout could require the operator to turn on as many as ten separate power blocks as well as aligning four or five track turnouts. Using DCC removes the need for the separate power blocks as you simply select the locomotive (or multiple unit lashup) that you want to control; and if you've got stationary decoders on the turnouts, you can also align the route automatically with your controller by selecting just the route.

Modeler's Moment - Encoding routes on ground throws

Ground throws with code paint applied

When you're building a layout for prototypical operations, you have to make it easy for your operators to see where the trains will go as they traverse the switches in your track. This can be done on a control panel through colored lights, but what if you don't use control panels or want to keep the operators' eyes on the layout? You could install the colored lights between the rails (like we did on the Wisconsin Central project layout for Model Railroader a decade ago), but to keep things simple, why not make a marking on the ground throws? A quick dab of green paint for the "normal" mainline route and red paint for the diverging route quickly conveys the turnout position. If you use bright colors for the indicator paint, yard operators can sight down the yard ladders to quickly see which track the ladder is lined to.

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