CCSG

Dual gauge switches

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WARNING: LEGO Track and baseplates were cut in these modifications. 
 

When we started building our LEGO city I knew that I wanted a narrow gauge railroad with some shared dual gauge trackage. I started with some of Trixbrix’s dual gauge turnouts. In my track plan, this required modifying a left hand switch that allows the narrow gauge equipment passing straight through the switch sharing the left hand rail. This was was relatively easy but I did try to cut part of the Trixbrix point mechanism  to make room for the narrow gauge “third” rail instead of cutting the “foot” of the rail to allow the point to slide under neath the third rail. It works fine as trailing point switch right now and fortunately Trixbrix sells just the part with the points so I can replace it try again. 

50644012912_fec280e913.jpg5EC1E194-DA23-44D0-8AF1-6E372F280153 by Patrick Kramer, on Flickr

I then decided I wanted to expand the narrow gauge track, which would require going through switches so I came up with this

50641993416_0e71be209a.jpg81BC52D6-8A1E-490B-A7B4-7A91D3A447E1 by Patrick Kramer, on Flickr

 

Edited by CCSG
photo embedding

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Testing has been limited so far to mainly the narrow gauge that passes straight through the switch. I haven’t tested the standard gauge, other than pushing it through by hand.  On the dual gauge switch, I realized I need a guard rail on the standard gauge divergent route to prevent the flange from “picking” the narrow gauge frog. This will be easy with a rail from Trixbrix of the proper radius. I think right now, there would be no problem going straight through it which will be normal route. I’ll do some testing soon with the standard gauge equipment. Full testing will require some parts from Trixbrix, fortunately they are running a Black Friday sale right now. 

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High_Admiral, after replying to your post, I realized I had uploaded the wrong photo describing the switch that only allows the narrow gauge to go straight through. I edited my original post with the correct photo. Hope that clears things up a little. 

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