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... switch-rail (blade)= 174.0( 50.8 model mm) length of stock-rail from joint= 360.0( 105.1 model mm) Hi Paul, Here is a diagram. The length of switch-front is marked a. The length of planing is marked b. The others are as shown. The heel offset is measured from the gauge-face of the stock rail to the gauge-face of the switch rail. Often the heel is coincident with the end of the switch rail, but not always. 2_231113_100000000.png There is a lot more about all this in this topic: topic 2075 I now need to determine what the colour code are for the hash marks on the rail near the switch. This is an area I need to work next. You have lost me there. Please can you clarify what you mean by the "colour code for the hash marks"? Showing where? regards, Martin. posted: 15 May 2013 11:06 from: Franz Martin, Your image helps clarify most of my questions. THe ...
... find what these measurements mean. Hi Phil, All the dimensions are explained if you click the? help F2 button below each line, or press the F2 key: 2_231031_140000000.png An overview of the dimensioning is available if you click the more general information button. The "joint" being referred to is the rail joint where the turnout "starts". The "toe" is the location of the tips of the point blades. The end of planing (blade machining) and other rail joints are marked on the templates: 2_231113_100000000.png "Stock rail joint to toe" means the dimension a in the above drawing. It is often called the "switch front". Dimension b is the length of planing. The heel position may coincide with the end of the switch rail, or for dimensioning purposes a virtual heel may be defined as shown in red. The "offset at heel" is the distance between the rail gauge faces at the heel. Not all of this information may be available. If you have no heel dimensions, you can assume ...
... all, the LNWR Pt Way drawings I have on turnouts. Now what has happened in Templot about the heel marks, why the difference between the rail break and the mark line? Hi Brian, The pre-set straight-type switches in Templot are based on those listed in Table 7 in BRT3 (1964). In these the nominal switch length is taken to a virtual heel position, and the actual switch rail longer. For a 12ft switch the switch rail is 14ft-6in long to the rail joint. 2_231113_100000000.png More about the above: topic 1129 I have to keep repeating that if you have some specific prototype data, it is up to you to use Templot to create corresponding custom templates. You can't expect Templot to contain pre-set data for every pre-grouping company and period. I don't have that information, and if I did the user interface for it would be a nightmare. If you post a full drawing of an LNWR 12ft switch, I will create a custom switch for you. At present I don't ...
... to 254mm (10"). Follow the help links on the data-entry dialog for more about input conversion factors. You can also define your own custom factors. p.s. I have today answered a question on RMweb about creating custom switches, including a link to a Templot video. You may find it relevant to what you are doing: http://www.rmweb.co.uk/community/index.php?/topic/62733-diagram-of-dimensions-for-templot-custom-switch/#entry809727 topic 376 2_231113_100000000.png regards, Martin. posted: 11 Oct 2012 23:50 from: bambuko Martin, thanks for detailed explanation- understand it now. For me it's easier to calculate whatever Templot wants i.e. RAM (using CAD, spreadsheet, or calculator,etc, etc) and enter it directly, instead of using Templot to" ...convert RAM to CLM..." 2547_111858_470000000.png I am only likely to need four different angles? Custom switch video sounds like great idea I got stuck with my turnout trying to specify custom ...
... right now- can I learn how to shove the sleepers to the right place& angle? Hi Stefan, Sure. I will make you a bit of video. But first I need to get the details straight. For example 1:45 scale or 1:43.54? The 9ft dimension is the lead length to the virtual heel position (the red dimension below). Note that the heel offset is measured from one rail gauge-face to the other gauge-face, not over, or between the rails. 2_231113_100000000.png They are design dimensions, they can't necessarily be seen directly on the rails. The 9ft switch is a standard pre-set in Templot, you don't need to know any dimensions: 2_271819_180000000.png cheers, Martin. posted: 27 Feb 2019 23:54 from: Rob Manchester Hi Martin, As far as I know all the German O scale items are 1:45 scale. I used to dabble in Lenz O scale when they first came out. Here is the Lenz pdf catalogue- page 22 has the track- ...
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