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Search results for: chairing_patterns.gif
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... chairing_info For V-crossings the special chairs are identified Z Y X A B C D etc., the A chair being under the blunt nose of the crossing. These identification letters are included in the timber numbering on Templot templates. For switches, the count of slide chairs and block chairs is as given in the table. Elsewhere in the turnout ordinary S1 chairs are used, unless two are so close together that there isn't room, in which case one or both is changed to an L1 "bridge" chair: chairing_patterns.gif Exact details vary by prototype and period. You can get a good idea of the arrangements by looking at the Exactoscale P4 kit templates, which are available on the Exactoscale web site at e.g. Exactoscale P4 B8 template They are excellent detailed drawings -- zoom in to 400% or more to see the full detail, as above. regards, Martin. Last edited on 1 Apr 2018 10:23 by Martin Wynne posted: 6 Apr 2009 14:56 from: Roger Henry I would also agree that ballasting should ...
... And if the chair outlines were also included then we'd know if we needed 12" or 14" timbers to accommodate all the fixings. Templot's printouts show only the rail and timber positions, without any chairing detail. There is too much prototype variation in chair patterns to make this practical -- you need to refer to your chosen prototype. For a guide to the common REA chair types and positions, detailed templates can be downloaded and printed from the Exactoscale web site, and scaled to any size. See: message 4620 chairing_patterns.gif regards, Martin. posted: 1 Jun 2009 22:32 from: jeckardt Martin Wynne wrote: You can create such a bisector line by means of a partial template overlaid. Thank you, Martin, that will work. The video was most helpful. I'll also study the alternate method of building the v-rail, although it seems to require creating a sharp bend in the rail... something I'm not convinced I can successfully do with code 250 rail. Regards, Joe Parts of Templot Club may not ...
... numbering is simply a reference identifier for the cut timbers during construction, and for the shove timbers function. It is not related to the chairing. The "S" stands for "switch" rather than "slide". Templot doesn't (yet) show any chairing information. For that I recommend referring to the P4 Track Co templates from Exactoscale (see: Exactoscale P4 kit ), which are available for downloading on the Exactoscale web site: Exactoscale P4 B8 template Here for example is part of one, coloured in: chairing_patterns.gif They are excellent detailed drawings -- zoom in to 400% or more to see the full detail, as above. But remember that exact details vary by prototype and period. See also: topic 780- message 4620 regards, Martin. posted: 21 Feb 2010 16:52 from: GeoffJones Martin Wynne wrote: Hi Geoff, The numbering is simply a reference identifier for the cut timbers during construction, and for the shove timbers function. It is not related to the chairing. The "S" stands for ...
... , i.e. metal girder bridges and viaducts. Such bridges usually have longitudinal timbers (" waybeams") running along the top of the girders to which the chairs are fixed. In order to fit, these chairs need to have a wide square footprint instead of the narrow rectangular footprint of the ordinary chairs used on transverse sleepers. Bridge chairs have the same base thickness as ordinary chairs. Bridge chairs have an additional use in pointwork where the square footprint allows them to be fitted closer together than ordinary chairs, like this: chairing_patterns.gif Bridge chairs are too wide to be used on plain track sleepers which are only 10" (254mm) wide. Pointwork timbers are 12" (305mm) wide, as shown above. regards, Martin. Parts of Templot Club may not function unless you enable JavaScript (also called Active Scripting) in your browser. Templot Club> Forums> Prototype pics> About the most "bridge" chair. about Templot Club Templot Companion- User Guide- A-Z Index Templot Explained for beginners Please click: important information ...
... than plain chairs and slide chairs or where to get them. Hi Greg, Adding cosmetic chairs to copper-clad track is difficult and fiddly because the rail is flush to the timbers. The moulded chairs are designed to lift the rail above the sleepers by the correct amount to represent the base of the chair castings (1.3/4" thick, 0.6mm in 4mm scale). On copper-clad timbers the chairs are too high to fit the rail and may foul the wheel flanges. More chairing info: message 4620 chairing_patterns.gif regards, Martin. posted: 4 Aug 2010 11:57 from: grog_polymer Thanks Martin (and Nigel who I forgot to thank) I did look at Exactoscale earlier and looked at the individual chairs rather than the turmouts. Are the block chairs the ones that carry the spacing web for the separation of the check rail to the stock rail for example? I can identify Bridge chairs from their narrower footprint in the turnout diagrams but cannot figure out the difference when I look at the individual Exactoscale chair images. Exactoscale say ...
... That stuff is not yet implemented, sorry. The clue is in the greyed out chaired (n /a) menu option. I left the data-entry dialog enabled because the chair seating thickness is used in the 3D DXF export. None of the other chair dimensions are yet implemented. The help notes on each line do explain this. If you need chairing detail, I suggest downloading the excellent PDF templates available on the Exactoscale web site as a reference. They are very detailed and can be zoomed in close: chairing_patterns.gif More info about these at: message 4620 regards, Martin. Parts of Templot Club may not function unless you enable JavaScript (also called Active Scripting) in your browser. Templot Club> Forums> Templot talk> Chair/ base plate data about Templot Club Templot Companion- User Guide- A-Z Index Templot Explained for beginners Please click: important information for new members and first-time visitors. indexing link for search engines back to top of page Please read this important note about copyright: Unless stated otherwise, ...
... to people. Thanks Rob posted: 1 Apr 2018 10:46 from: Martin Wynne Rob Manchester wrote: Am I dreaming or was there a page on the Companion showing chair names and positions on bullhead S&C work? BRT( blue 1956 ed.) pages 87 and 92 gives details but your colour diagrams are always so well drawn and much better to explain to people. Hi Rob, I can't remember a specific page, but I have at times coloured in Len Newman's template drawings for Exactoscale, e.g. chairing_patterns.gif topic 780- message 4620 There has also been some discussion in Andy's 3D printing topic: topic 2734- message 19837 What specific information are you looking for? There is a PDF of the Paddington drawings of the standard REA chairs at: http://www.scalefour.org/downloads/gwrtracknotes/R4290A.pdf cheers, Martin. posted: 1 Apr 2018 11:18 from: Martin Wynne p.s. Rob, Back in version 214 I did start on an experimental function to add chair outlines to the templates: 2_010608_040000000.png 2_010608_040000001.png I may ...
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