Templot Archive - Search Results

1. Slide chairs on moveable diamond

... used two central timbers, each with its own slide chair. That's possibly all irrelevant though if you're not modelling GWR or BR(W )! Unfortunately, copyright means I can't share the diagram here. Many thanks for that. I'm aiming for southern 1950s to 1960s. I wonder if that is different. posted: 8 Aug 2020 20:33 from: Martin Wynne Here is the REA/SRC drawing of a 1:12 switch diamond. In this case the middle timber is 14" wide. Low res: 2_081530_450000000.png 2_081531_110000000.png The full hi-resolution scan is at (right-click, Save Link As...): http://templot.com/info/rea_src_12_switch_diamond.png cheers, Martin. posted: 8 Aug 2020 20:40 from: Phil O That looks like a job for Modelu, if someone could lay their hands on the appropriate chairs and get them to Modelu for scanning. Other 3d printers may be available. Cheers Phil. Last edited on 8 Aug 2020 20:41 by Phil O posted: 8 Aug ...

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2. Movable K-crossings / switch-diamond for a 1:10 double slip?

... diamonds with movable K-crossings. The switch blades move across simultaneously in opposition. There is no break in the rail so no need for K-crossing check rails. If you build a 1:10 diamond with fixed K-crossings, you will very likely get mis-tracking and derailments. That's why the prototype doesn't allow them. For wider than scale flangeways such as 00 and EM, derailments are almost certain. Info from Templot Help notes: 2_120732_280000000.png Drawing of a bullhead 1:12 switch-diamond: 2_081530_450000000.png A modern switch-diamond double-slip. Quite common in flat-bottom, not so much in bullhead. Here's a close-up of the K-crossings: fb_movablek_dslip.jpg pic thanks to Mick Nicholson They are used when the crossing angle is flatter than 1:8. They make a model slip much easier to build, because there is no need to find space for the K-crossing check rails. The downside being you need 2 extra point-motors and stretcher bars. In a model diamond-crossing ...

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