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When switching between tracks, I would recommend the Ross #4 switches.  They may be a little longer than others, but they will provide smooth, derail free operation (unless you run large, scale-size equipment).  For all sizes of equipment, I would recommend Ross #6 switches.  Take a look at the Ross Custom Switches web site; they have a page that provides templates with all measurements for their switches.

Others might suggest the Oxx switches (like O72), but I don't like them because they create S-curves when used for crossovers and they also generally create more distance between parallel tracks.

Chuck

While the Ross higher numbered switches would create a really smooth transition. More like you would see on a high speed mainline.  I’d go with the number 4’s that Chuck recommended. Especially if space is critical. They will still be a smooth transition. Ross offers these as one. Number 202 and 203. You decide if you want a right or left. I think the track spacing is 3.5”. You can contact Steve to verify.

Perhaps a word of explanation should be offered here with regard to "numbered" switches, since they are not commonly used in 3-rail.

  • A #4 switch will diverge away from the tangent route 1 unit for every 4 units of length.
  • A #6 switch will diverge away from the tangent route 1 unit for every 6 units of length.
  • etc.

Here's a diagram of Atlas switches that illustrates the principle of numbered switches.

The larger the number, the easier the turn and the longer the switch. On the real railroads, high speed switches are number 20s. That is a LONG switch!

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Last edited by Rich Melvin

Everyone,thank you for your replies,very helpful. All of my trains  are Lionel, post war, no relatively new big cars or locomotives. Most of my curves are 48" curves,24 dia and I have just started bending my Gragraves 3 rail, phantom regular track. I believe I have some additional tips on bending this track relative to the Gargraves video, I will share once I test the track and curves. I have been working my way through the Ross switch sections in the catalogue and not certain which switches I should mate with the phantom track ?  Any thoughts. Also assuming I can use the #175 double crossover superline series,would this work for crossing over trains  on my elevated two track layout? What is the difference between superline and Ross plate tubular rail? Based on Chucks comments, the #4 switch appears to be the right path,however the #175 looks possible as a compact solution?   The top tier layout plan/dream is to run trestles up -down and use this crossover to get the trains back down to the main table. Thanks Bill

  The Super Line rail will match your Gargraves. The Ross Plate is meant to go with the Lionel tubular.

I have the double crossover. It may require a little more extra wiring to get your engines through. I had a bit of postwar years manny ago and I don’t believe I had any issues. Now we are use to multiple pickup rollers and axle wipers to help navigating the more scale like switches to prevent stalling.

Without seeing your track plan. You want to keep these switches on somewhat level ground. You mentioned an elevated section. While the double crossover works well. The #4 crossover switch by using a pair will accomplish  the same thing. Maybe without having to deal with any fancy wiring. But by spreading them out from one another. You can create a passing siding.

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