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... topic: 2580 Checkrail on curves posted: 24 Nov 2014 20:40 from: DerekStuart Me again... A question (or 3) for the experts- of which there are plenty here! Checkrails on curved track- 10 chains A) Assuming you are coming from a straight section (very low speed so no transition curve (or should there still be one anyway?)) how far should the checkrail lead in from the straight, or does that depend upon speed rating of road? B) I have just read that the checkrail sits proud of the running rail, but I am not 100% sure this was for British track. Is this correct and if so, how far does it sit proud? C) In model form, C&L Exactoscale says to use standard chairs and on each sleeper, alternating between running rail and check rail, with a decorative half stuck on in the appropriate places (I have plenty of 'halves', given how many I've broken!). I wonder if this is the ...
... of the rail. Very neat! 2787_072013_220000000.jpg Andrew posted: 14 Jan 2019 00:25 from: Andrew Duncan Hello everyone Progress in the last week has been steady rather than startling. The basic turnouts have been completed less their check rails and as you can see from the photo I've now made a start on them( check rails). What I'm finding though is that they are all under gauge at the crossing by a smidgen, but it's enough to stop the check rail gauge sliding nicely into place when setting out the checkrail, so I'm finding myself sliding a sharp knife under a number of chairs (either side of the check rail area) that are holding the stock rails, to ease them out a tad. There's lots been written about this and I'm pretty certain it's inclination of the rail in the chairs that's being held upright by the roller gauges, whilst the glue sets, that is causing it. Perhaps I should make a couple more of the simple brass block gauge that I also use which has no clamping action, to allow ...
... : 14 Jul 2013 14:26 from: LSWRArt Hi Simon I am also new to track building, but found it best to use a piece of copperclad (or nickel silver strip) across the crossing V and the wing rails to hold it exactly to gauge. I do not know if they are available in your scale, but I also found it useful to use proper check rail chairs to hold the check rail the correct distance from the running rail, but you could again use a piece of copperclad to keep the checkrail exactly to gauge. Then I just cut the chairs in half and use them cosmetically where the copperclad is installed. Question for Dave: Do you use a delayed action Superglue for fixing all your chairs to the ply sleepers? I found that the liquid which C&L supply for fixing plastic chairs to plastic sleepers had no strength on ply sleepers and another glue I used has also failed on one of my point blades. Ideally the glue should allow a good many seconds for me to align everything with the roller gauges ...
... topic: 2882 Checkrails in curved track with turnout posted: 24 May 2016 09:26 from: FraserSmith Hi My trackplan has two sets of very curved double tracks on the approach to the terminus. I have added one checkrail so far but I am unsure what should happen at the turnout. I can obviously extend the checkrail for the V back towards the switch but would that happen? The picture on the front of the 2mm society track book almost shows this scenario but the turnout is not on such a curved piece of track and the checkrail stops before the switches. I'm modelling in 00-FS but find that book is such a valuable source of information for track building. 3137_240356_240000000.png Thanks Fraser posted: 24 May 2016 11:23 from: Martin Wynne FraserSmith wrote: I can obviously extend the checkrail for the V back towards the switch but would that happen? Hi Fraser, Yes, that's quite common. Here are a few pics showing such a check rail extended back to the switch: 2_240614_180000002.jpg 2_240614_180000001.jpg As you can see the check ...
... topic: 419 Checkrails on (curved) plain track posted: 27 Apr 2008 04:41 from: russ I'm assuming it must be possible to do a template with checkrail on the inner rail of a curve? -but I haven't found a way of doing it yet. Is it possible to make the checkrail on a turnout run continuously into a plain track curve? Thanks in advance for suggestions! posted: 27 Apr 2008 05:27 from: Martin Wynne russ wrote: I'm assuming it must be possible to do a template with checkrail on the inner rail of a curve? -but I haven't found a way of doing it yet. Hi Russ, Use approach track to a turnout as your plain track. Extend the turnout side check rail back into the approach track. You need to calculate the required length in prototype inches (or do some trial and error). Then shorten the template to show only the approach track (F4 mouse action). Here's a quick Jing video showing that: http://screencast.com/ ...
... will give Jim an hour and then contact him. Martin. posted: 21 May 2011 11:03 from: Martin Wynne Hi Paul, Sorry about this. I'm going to swap to using the templot.com server in the UK. I will post an updated TDV later today. regards, Martin. posted: 21 May 2011 12:11 from: Alan McMillan Hi Martin I think I may have found a bug. I've been constructing a regular diamond at 1:1.56 and I had created a partial template to shove the checkrails out of the centre of it. I had increased this partial's angle until that happened and when the checkrail finally disappeared from the template I was left with this spurious angled line that, if I used F5 to increase and decrease the angle such that the checkrail appeared and disappeared continuously, the leftover fragment could either be at 90 degrees to the adjacent rail or roughly 45 as it is in the attached capture. 412_280344_230000000.png Regards Alan Last edited on 28 May 2011 08:46 by Alan McMillan posted: 21 May 2011 16 ...
... ? (As an aside, I did have a go at filing off the bolt detail on a C&L plastic slide chair with a view to trying the wire-in-hole method of replicating a single central bolt but I'm not sure I can bring myself to go to such lengths, even for the small layout I have planned. I am very surprised that neither Exactoscale or C&L have produced appropriate versions of these chairs yet.) Also, what is the difference in useage between the two types of checkrail chairs produced by Exactoscale (0.68mm and 0.8mm flangeway)? Matt posted: 14 Nov 2007 04:12 from: Martin Wynne mattots wrote: I'm certainly no expert on prototype track but from what I can gather from the various sources I've been scouring recently the check and bridge chairs should also really be 2-bolt for GWR track. Hi Matt, Well strictly "2 -screw" when they are used in pointwork. Only GWR plain track sleepers have bolted chairs (bolts inserted from below). For pointwork on ...
... /CalR_ilace_ctchpnt_12ft_1in10.pdf Jim. Attachment: attach_2241_401_CalTurnoutTrace-02.jpg 325 Last edited on 11 Mar 2016 13:53 by Jim Guthrie posted: 13 Mar 2016 21:52 from: mikewturner Hi Jim Thanks for the reply and file. I honestly missed the link to the drawing on old pway even though I've scoured the web for info. I will print it off tomorrow and then look to import it to Templot and design over it as suggested by Martin. As a matter of interest what radius are you using at the end of your checkrails? Regards and many thanks Mike posted: 13 Mar 2016 22:58 from: Jim Guthrie mikewturner wrote: As a matter of interest what radius are you using at the end of your checkrails? Mike, You've just reminded me that I haven't decided what radius to use. In the first turnouts I have made in 1:32 scale, I tried making them a tighter radius than the standard Templot ones but I'm not sure that I've made the radius tight enough. It's also a bit difficult to put a tightish ...
... . I need to make more tweaks anyway as I noticed that one check rail would have fallen where the switch blade taking the narrow gauge away from the dual gauge section was. I moved the half turnout and promptly put it over the baseboard strengthening rib! Do you think it will be possible to convert my rather unconventional arrangements into true turnout templates? Attachment: attach_2893_3498_RpG1.box 152 posted: 16 Sep 2019 10:45 from: RedgateModels You can see the issue in the photo, circled in red. No room for the crossing checkrail unless I fixed it to the point blade! 2013_160541_090000000.jpg As I said, I've moved the narrow gauge turnout away from the main one (with the double crossings) but it looks ugly and the tie bar falls over the baseboard rib. More jiggling with the plan needed. I'll move them closer and the whole arrangement a little to the right to clear the underboard obstructions. posted: 16 Sep 2019 12:23 from: Jim Guthrie RedgateModels wrote: You can see the issue in the photo, circled in red. ...
... GWR. Bolt holes in the end of check rails are seldom modelled, but it's a detail worth adding. It's difficult to drill small enough holes (1.1/8" dia) in 4mm scale= 0.38mm dia, but a tiny dot of black paint looks the part. Remember not to do both ends of the same check rail. cheers, Martin. posted: 13 May 2018 20:56 from: Rob Manchester Hi Martin, Many thanks for the info. I will certainly try to remember some holes in my checkrails- on the 7mm scale ones at least. At least NS is easier to drill than steel Thanks too for the link to the check rail post. What is the easy way to find Wally's images in the Gallery? The 'Insert existing image from Gallery' only allows me to put mine in a new post. Rob posted: 13 May 2018 21:04 from: Martin Wynne Rob Manchester wrote: What is the easy way to find Wally's images in the Gallery? Hi Rob, Go to the gallery: http ...
... topic: 3766 Checkrail on the outside of a curve posted: 12 Sep 2020 21:50 from: DerekStuart Hello all In this picture from the late David Hey's collection (originally Yorkshire Post) there's an example of a left hand curve (quite tight- maybe 5 chains or so) and it has a checkrail, but on the outside of the curve. It is on the lead up to a diamond crossing which is estimated to be 1:2 or 1:3, but it's well clear of the diamond's own check rails. Also it might be just a trick of the angle, but it looks instead of being flared horizontally, it has been 'ramped' downwards. It could be a derailer, but on the other side of the diamond there are already trap/ catches... and there's no obvious link to this rail. Any ideas? Answers on a postcard. No prizes, except being called a clever person. Derek It might help if I add the link... http://davidheyscollection-static.myshopblocks.com ...
... . posted: 12 Jan 2019 12:50 from: Jim Guthrie Martin Wynne wrote: Just one minor point -- for every pair of blades there is usually a pair of check rails. If you made the clamped toe end of the rail a bit longer, you wouldn't be wasting any rail when you cut it off. Martin, In the case of the 1:32 scale pointwork, that would be a sensible idea to minimise waste But in my S scale pointwork I was using self guarding frogs- so no checkrails. 25_120749_440000000.jpg Jim. Last edited on 12 Jan 2019 12:50 by Jim Guthrie posted: 12 Jan 2019 12:59 from: Martin Wynne Jim Guthrie wrote: In the case of the 1:32 scale pointwork, that would be a sensible idea to minimise waste But in my S scale pointwork I was using self guarding frogs- so no checkrails. Hi Jim, There is always one. I think that is the first time I have seen functional self-guarding frogs modelled. Do they work well? ...
... topic: 2573 Has anyone any idea what this is? (extra rail on the OUTSIDE) posted: 10 Nov 2014 17:39 from: DerekStuart This has got me stumped. It is the only photo I have seen of its kind. As you can see from the attached link (I couldn't upload it as it's copyright by RCTS) at the lower left there is a length of rail on the OUTSIDE of the running rail. It is about the length of an average checkrail and opposite is what looks like either a grease reservoir or some sort of actuator. I know that due to the severe curves in and out of the station (Whitby) there are several grease points, but this seems to be on the outside of the track. No doubt someone here will know and I'll reply with "ah of course. I should have thought that." Thanks Derek http://www.rcts.org.uk/features/mysteryphotos/show.htm?location=Whitby%20Town&serial=6 &img=66-97-19 EDIT: ...
... . I believe that the occaisional spare electric unit was stabled there. I will look forward to building this complex in a month or two. I've started at the other end of the station and now have the first yard of double track on the viaduct area complete with check rails. Hopefully in about 5 years you should be able to see the results of our efforts. Thanks again. Jamie posted: 25 Apr 2010 21:32 from: Jamie92208 At last some real progress. A double curve with both tracks fitted with checkrails, laid and two locos actually run under power to test and check clearances.33_251630_040000000.jpg This shows how we have laid the check rails section. 2 chairs, miss one on the running rail and 1 chair miss 2 on the check rail. The intention is to try and chemically colour the checkrail so that the colour isn't rubbed off when we clean the track. The Compound was to check the overhang for positiong the bridge girders and the Kirtley to see how a stiff 0-6 -0 coped with the 6' radius curve ...
15. EM Gauge options
... Last edited on 29 Jan 2019 15:38 by Hayfield posted: 29 Jan 2019 18:40 from: Rob Manchester Hi Martin, Yes, I am fine too thanks. Thanks for the explanation, I suspected EM-SF would be a good bet. I may try some crossing work and see how it runs before making any decisions. The unsuitable nature of Bachmann and Hornby( and especially Dapol/Heljan) wheels( presumably because the flange is thicker making a large enough back-to-back to span the checkrails impossible without wheels hitting the crossing nose?) isn't an issue on small layouts if you plan your roster in advance. All my rolling stock gets Gibson wheels as a matter of course. The motive power that isn't provided for is mainly just those that have non-standard axle/gear arrangements such as Hornby class 31 diesels( if there are any that haven't rotted the chassis) and many of the DMU/EMU's available that have a central plastic gear muff into which half axles are inserted. A good plan in ...
... so I set the rail width to a size that prints out to the 1.4mm base of my chosen rail This is what I have so far- this is supposed to be a 1 in 6- I obviously have done something wrong as it looks very different to the standard N gauge one I printed out undefined undefined The timbering looks half sensible as far as spacing goes but I have overlapped sleepers in the middle and the bottoms of the sleepers dont line up- which I am used to seeing- looks very odd Also the checkrails are obviously totally wrong too All very frustrating as this is obviously a very clever piece of software that is showing all too well that I am not very clever at all posted: 26 Jan 2015 10:13 from: TPP Ok let me try those pictures again... undefined undefined posted: 26 Jan 2015 10:14 from: TPP I suppose I could go for 00 and Hornby Setrack instead Attachment: attach_2041_2594_s_09_1in6_timberi ng.jpg 425 Last edited on 26 Jan 2015 10:18 by TPP posted: 26 Jan 2015 10 ...
... . It's a ZIP file of 58MB: https://85a.uk/images/welshpool_track_may_2002.zip The rail section can be measured from the credit card which I placed on the pile of rails. cheers, Martin. posted: 29 Aug 2020 21:10 from: Rob Manchester Hi Martin, Thanks for posting the W&L track pics. Interesting to note that sometimes they chose to fabricate the crossing and wing rails onto a steel plate that was then bolted( nailed?) to the timber. The flared ends of the checkrails seem to be a bit excessive( picture 483 seems to have the most flare)- is there any reason for that? Rob posted: 29 Aug 2020 21:29 from: Martin Wynne Rob Manchester wrote: The flared ends of the checkrails seem to be a bit excessive( picture 483 seems to have the most flare)- is there any reason for that? Hi Rob, I suspect that the end gap isn't much different from the usual 3.1/2". It's the very short flare length that gives ...
... dimension and gauge results. At the moment I'm working on optimizing the chair designs for turnouts and finding the method that allows me to generate a turnout with the least effort. I'll post the results when I have something I'm satisfied with. BTW, I'm printing with PLA through a 0.25 mm nozzle. PLA is interesting stuff. Although it has a rather low melting point, it's quite hard, and it makes turnout bases that are surprisingly rigid, sufficiently so that it's possible to drag straight rail through the chairs for wings and checkrails. More to follow (PS- My Templot message alerts are no longer going to spam.) Last edited on 12 Aug 2015 01:43 by Andrew Barrowman posted: 12 Aug 2015 10:26 from: LSWRArt There are some nice 3D printed 7mm chairs here- unfortunately not available in 4mm. http://www.shapeways.com/shops/otr I have used some of these check rail chairs for point construction. The only problem is that, for super fine detail, the plastic is quite hard and therefore rather ...
... and it might just save somebody a bit of work. Tony W. Attachment: attach_1992_2570_EM_scissors_1_in _8.box 474 posted: 25 Nov 2014 09:29 from: philchudley Tony W wrote: With the current discussion on Scissors crossovers I thought I would post this box file of an EM gauge 1 in 8 Scissors I designed some while ago in an earlier version of Templot. I have updated it for the current version and it might just save somebody a bit of work. Tony W. Nice work Just a suggestion, should the 4 checkrails (2 at top and 2 at bottom) be combined into one checkrail at the top and one at the bottom as shown below? 672_250428_580000000.png Cheers Phil posted: 25 Nov 2014 14:55 from: Tony W Hi Phil. Generally no, they would be two separate standard length check rails, but I have seen it done this way when they are close together. Regards Tony. posted: 4 Oct 2017 12:27 from: Tony W Tony W wrote: With the current discussion on Scissors crossovers I thought ...
... Ultrascale wheels to stick into a newly acquired Bachmann 40 (purchased specifically for its long wheelbase bogies) if that can run through track then I am sure anything will. I have designed a couple of "planks" in Templot- starting with simple straight track, then curved track, points and then escalating to slips and finally a tandem- all in the right order to start on the simple bits first. Tell me, would you have an opinion on what the radius of a curve should be before you start adding a checkrail to it? And also increasing the gauge on curves- what sort of radius would you need before this is a problem? Despite flange squeal on the real line out of Whitby, the radius looks pretty mild at 3300mm (12.4 chains) until you get past new bridge, where it is fitted. I am going up there in a couple of weeks time to do nothing but take photos of a pair of points and the curves. Thanks again for your guidance it really is appreciated. Derek posted: 20 Oct ...
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