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... be a bit of a PITA at track cleaning Hi Jim, See also: http://www.rmweb.co.uk/forum/viewtopic.php?p =366605#p366605 Prototype K-crossings with raised check rails are in the UK now. They are causing problems for running long-wheelbase heritage steam locos with flangeless driving wheels, which have to be banned from such routes. The problem is that a set of flangeless wheels can move sideways and hit the raised portion. The same problem would arise for models, in fact the increased axle sideplay would make it more likely. The best answer for model problems with K-crossings is to change to a switch diamond! p.s. I think the slip in that link is standard gauge! I wrote the subject line after looking at the D&RGW pics. Sorry for any confusion. 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> Narrow-gauge pictures about Templot Club Templot Companion ...
42. Crewkerne LSWR
... , and all connections had therefore to be packed into the short length where they coincided." A new signal box was provided in 1960 (off the east end of the Up platform) and remained in use for a mere seven years. Some more details at: http://www.kentrail.co.uk/Crewkerne.htm and at http://www.semgonline.com/location/crewk_01.html including info regarding Crewkerne Station's small place in locomotive history when in 1953 Class MN 4-6 -2 No.35020 '’ Bibby Line'’ came to grief there (the crank axle broke), the post-repair mismatches to the canopy being evident to this day. The book in question also includes plans of another "South-Western" station with level changes twixt main line and yard- Tavistock (North*), strictly a Pymouth, Devonport& South Western Junction Rly station (*- suffixed North in BR days), which seemingly necessitated a trailing crossover from Down to Up, whose latter turnout was a double slip, forming a further (facing) crossover, the only access to ...
... /S boiler band material is good for this. The switch drive is taken off whatever end of the 0.8 wire is most easily disguised. They are not difficult to make and have been developed from two 1980s MRN articles one in a series by Stewart Hind on track construction which ran irregularly for a number of years which included such good things as "permanent rust" using PCB of the right colour and film stock for cosmetic and slightly structural tiebars. The second was using Araldite tube and wire to for a sort of split axle construction, similar in idea to those sold by C&L as tiebars with which I dont get on with due to the rather small soldering surfac. gsmorris Parts of Templot Club may not function unless you enable JavaScript (also called Active Scripting) in your browser. Templot Club> Forums> Templot talk> tiebars strecher bars throwbars 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 ...
... not wet- not often are they dry in Melbourne at this time of year! For those interested the mix is 20ml water, 20 drops of ink 1ml of isopropyl alcohol and 2 drops of red ink out of a syringe. 4726902125_d55340df03.jpg Mike Pogson had created some rail positioning templates to assist with the initial layout of the straight stock rail from which the other components can be gauged into position. 4727488578_449ec29727.jpg These templates are positioned using small pieces to align the template within the sleepers and are pinned together using standard 1/8" axles. 4726850161_7a96fc2b04.jpg The templates are layered to allow space for the plastic chairs to fit underneath. you can see the small pieces used to fit within specific sleeper spaces. 4726856255_726c6f60b1.jpg You can see each of the parts that make up a template here. I marked them to aid positioning. 4726895479_6aeb0c0403.jpg This process is a trial. At this stage we have not made these for the remainder of the layout but will see if they speed up track laying. The difficult part is actually working out all the different types of chairs that need ...
45. Superelevation
... as the real thin at stayin on the track. Jamie posted: 29 Oct 2009 21:00 from: Alan McMillan I just remember how that Brush 4 looked at Carstairs- it was a derailment waiting to happen- and in P87 it probably would! Alan posted: 30 Oct 2009 09:15 from: Jamie92208 Remembering more about that accident report. In 12 inches to the foot minor changes in the set up of the wagon's suspension coupled with poor maintenance of the track brought a wheelset, with several tons holding each axle down, off the track. I don't hold out much hope for our hobby when you are talking about a few gramms of adhesion weight in some cases. Stick to the same plane. posted: 2 Nov 2009 23:35 from: allanferguson For a good illustration of the cant problem see this site http://www.jhowie.force9.co.uk/carstairs.htm#negative%20cant You can get quite seasick watching one of the NXEC sets coming through! Allan Ferguson posted: 3 Nov 2009 10:49 from: Alan McMillan It's actually ...
... topic: 1376 Check rail requirement posted: 19 Feb 2011 23:26 from: Jim Guthrie Martin, Drop everything- we must have check rails like these Shorpy picture Use the Hi-Def image to see them better. Jim. posted: 20 Feb 2011 10:15 from: JFS... very useful if your wheels are a bit loose on the axles and need pulling back to gauge from time to time... Howard Parts of Templot Club may not function unless you enable JavaScript (also called Active Scripting) in your browser. Templot Club> Forums> Share and show> Check rail requirement 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, all the files submitted to this web site are copyright and the property of the respective contributor. You are welcome to use them for your own personal ...
... guidelines for curves are to keep them as wide as possible, but is there a minimum radius that people would work as an absolute minimum when dealing with long wheelbase steam locos? Rich posted: 26 Nov 2016 19:18 from: Martin Wynne RK wrote: I know the basic guidelines for curves are to keep them as wide as possible, but is there a minimum radius that people would work as an absolute minimum when dealing with long wheelbase steam locos? Hi Richard, Everything depends on the loco, the wheels, axle sideplay, etc., and of course any applied gauge-widening in the track. Most modellers in 0 gauge tend to regard anything below about 1500mm (5ft) as too tight for running lines, but if that's all you have room for... 1250mm (4ft) is probably the sensible bottom limit for curves in 0 gauge. For 0-MF in Templot the warning comes on below 1750mm (5ft-9in), but of course you can change that to whatever you want. regards, Martin ...
... any template and are simply a record on the workpad of past locations of the dummy vehicle. They remain unchanged if the underlying templates are moved or deleted. You can make up to 32 copies. 2. The dashed clearance marker lines can be adjusted by mouse action. This makes it possible to measure the clearance between rolling stock and fixed objects: 2_261727_340000002.png (To get a proper result this measurement should of course be made at the vehicle centre-marker.) This mouse action can also be used to measure the centre axle sideplay needed on 6-wheel vehicles at different radii. Set the body length to match the wheelbase. Set the body width to match the track gauge. The clearance marker can then be adjusted by mouse action to align with the outer rail. If there is significant gauge slop on the wheels (e.g. 00 gauge), the available slop can be subtracted from the indicated sideplay. 2_261727_310000001.png 2_261727_310000000.png Like the spacing-ring, this dummy vehicle tool works as a design aid only on the workpad. The dummy vehicles ...
... I get an appropriate track gauge from (now a little confused, as is 16.5mm not 16.5mm)? Hi Ian, It's a bit confusing if you are just starting. 00 Gauge at 16.5mm gauge includes a significant amount of gauge-slop so that rolling stock can negotiate the sharp small-radius curves found in toy train sets. 1. To get better running on the much larger-radius curves found on scale model railways, you can do one of two things: a. Move the wheels further apart on the axles. This is called 00-DOGAF standard. This is the standard to which the gauge tools supplied by C&L conform. or b. Move the rails closer together to 16.2mm track gauge. This is called 00-SF standard. The gauge tools for building this can be obtained from Brian Tulley, as detailed at: http://00-sf.webs.com The great advantage of 00-SF over 00-DOGAF is that you can use rolling stock exactly as supplied without needing to modify the wheels. Both ...
... radii, which certainly wouldn't be desirable, especially if you wish to run 2-8 -0's!! As for minimum curves for 00-sf, the usual rule is to apply EM standards (00-sf is EM minus 2mm) which mean a minimum of 36" (any sharper tends not to look right anyway). However, it may be possible to reduce this- it's very hard to give firm answers because other factors will affect this also, such as the side to side free play of an axle etc. HTH Brian Last edited on 22 Jan 2012 19:18 by polybear posted: 24 Jan 2012 00:30 from: PeterD Thanks for your reply Brian, PM sent. Does anyone have photos/examples of slip tie bars in use? Not the sliding pcb sleeper type as I have found these unsatisfacory. Thanks posted: 25 Jan 2012 08:41 from: Stephen Freeman Hi, I can understand why, too much stress in the movement causes friction, breakage of the solder joints/copperclad and difficulty ...
... to my question in the ScaleFour digest.... To quote.... Use of gauge widening Gauge widening should not be applied to any sections of pointwork where CG, CF or BC dimensions are specified. Where applied to non-pointwork curves, prototype gauge widening at 10 chains radius is 0.25in, at 7 chains radius is 0.5in, and at 51 2 chains radius is 0.75in maximum. In P4, where BBmax is less than the 4mm scale equivalent, and where adequate sideplay can usually be given to inner axles, gauge widening should not be necessary unless using long-wheelbase stock around sharp curves. Where required, check rails should be set from the outer rail of a curve, using a CG gauge (in the same manner as the CG gauge is used in turnout construction), and gauge widening should be applied only to the inner running rail if wheelsets are still found to be binding. Michael. posted: 27 Apr 2012 21:08 from: Martin Wynne mfsyoung wrote: Gauge widening should not be applied to any ...
... topic: 2118 setting up to my guage posted: 23 Nov 2012 10:20 from: dlt65 Hi folks I am a newbie as you can see. I model tt 1.120 gauge i have never been able to buy the correct radius curved points two or three way,so i tried to build a two way curved point direct on my board I have had limited success but working with just one axle and flat steel gauge i have problems trying to line every thing up the only gauge i have been able to find is from Pilze the rail manufacturer i think this conforms to the NMRA standards but i am not sure and had no one to ask the gauge is 12 mm the rail and is code 80 and is 2.02mm high and flat bottem rail and is.80mm across the rail top looks to be the same as Peco N gauge use The reason i have got interested in Templot is to be able to make templates that should make it easier for me to make my own points,however the first problem i have noticed is Templot is stating bullhead ...
... 16.2 71.3 mm If you find the calculation troubling, you can set up some tacks at the required spacing, zoom in and adjust the ring size visually by mouse action. 2_260808_320000000.png At B you can see that the 6" clearance envelope on the vehicle is conflicting, but the actual body sides are clear with about 6" (2mm) between them. That is a bit tight, allowing for different vehicle dimensions (the above is using the default settings), body sway, wheelset/gauge freedom, offset bogies or axles, and other variables in a model. Prototypically it is too close, but you may decide that it is acceptable to avoid reworking the track plan. You could try printing out the templates and carefully standing your longest vehicles on them to check the running clearance. tools> spacing-ring dummy vehicle menu item: 2_260857_540000000.png regards, Martin. posted: 26 Aug 2014 00:05 from: Tony W Hi Michael. I have been having a quick look at your track plan and yes, there are a few issues ...
54. Spreadsheets.
... find it useful and found I could not post it last night. For a given Radius curve, Chord and Versine, if you know two of them it will calculate the third. It is very easy to use. I will try again later. Regards Tony. posted: 28 Oct 2014 14:03 from: Martin Wynne Hi Tony, XLS spreadsheet files can now be attached here. However, calculating versines can be done directly in Templot: 2_280857_140000000.png The dummy vehicle clearance mouse action can be used to measure the centre axle side-play needed on 6-wheel vehicles at different radii. 1. set the control template to the desired radius. 2. set the body length to match the wheelbase (dimensions... button). 3. set the body width to match the track gauge. The clearance marker can then be adjusted by mouse action to align with the outer rail. Read the versine dimension as the clearance showing (in prototype inches): 2_261727_310000001.png 2_261727_310000000.png regards, Martin. posted: 4 Nov 2014 20:13 ...
... can restrict the viewing position. In modelling some people like to work in prototype dimensions when laying out things using a scale rule to lay out roads, buildings etc. I have scale rules covering from 1:24 down to 1:87 and find that cutting out a 3' wide window opening makes more sense than a 12mm wide one does in 4mm scale. Mind you the odd mismatch of measuring systems is enough to drive everybody mad. Buy a loco kit in this country and the wheels have 1/8" axles on the loco and 2mm on the tender. The USA is still firmly in the imperial system but the HO track gauge is quoted as 16.5mm. Tell an american you work to an accuracy of a couple of tenths( 0.0002") and they think you are a super engineer- just don't tell them you meant tenths of a millimeter Look forward to the timbering lists once you figure it out. Rob posted: 28 Jun 2020 01:02 from: Martin Wynne Rob Manchester wrote: Look forward to the timbering lists ...
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