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Search results for: Bullhead
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... 2) has a radius of 12.192 metres= 40 feet= 160mm in 4mm/ft scale= 6.3" radius. An exact replica requires a 6ft custom switch. However, you can get very close using the pre-set 1:24 short model switch in Templot. Set a curviform crossing, and adjust the crossing angle with F5 or F9 until you get 1:2 (for 6.4" radius) or 1:1.94 (for 6" radius). Set equalized-incremental timbering: 2_131455_370000000.png Above is for bullhead rail -- in practice such turnouts would almost certainly be light FB rail. Set head and foot. Ask again if you need to know where to find all these settings. regards, Martin. posted: 15 Mar 2014 12:59 from: Decauville1126 Hi Martin, Thanks for the info- I'm beginning to see how to do it. Once I've got the hang of how to store the individual pieces I'll hopefully be able have a go at joining them up to form a mini-layout. Peter. posted ...
... topic: 2443 Help with 4 mm scale flat bottom track components please posted: 17 Apr 2014 22:17 from: Hayfield I enjoy building trackwork and recently added to my components stock pile, I have just about got a handle on 2, 3 and 4 bolt bullhead chairs and their uses and now want to do similarly with flatbottom parts I have the following Peco concrete sleepers with fixings (? )Peco Pandrol clipsC&L ST plates Firstly in which date order do these items fit in to Secondly if I use the Peco concrete sleepers and clips, what type of timbers would have been used with what fixings Thirdly what type of sleeper would the Pandrol clips have been used on, and again what type of timbers and fixings would have been used on turnouts The concrete sleepers are 32 mm long, the packet states for use with 00, EM& P4 gauges, are they 8' or 8'6" sleepers I am planning to make a small diorama based on flatbottom trackwork with associated track and lineside equipment, but that's another question for later ...
... so at the risk of further ridicule do I dare ask what is meant by REA? Many thanks again for that Paul posted: 9 Dec 2011 08:23 from: Martin Wynne Paul wrote: so at the risk of further ridicule do I dare ask what is meant by REA? Hi Paul, Railway Engineering Association A body set up by the railway companies in the UK after the grouping in 1923 to create some common designs out of the assortment of different ideas inherited from the old pre-grouping companies. The REA bullhead track designs were in the main adopted by the LNER, LMS, SR and LPTB (London Underground), each with a few individual details of their own, and lasted until the end of the steam era. The GWR refused to join the party, considering their own existing designs to be superior -- which in many ways they were -- and produced a new range of flexible switches in 1930. BR Western Region carried on with the GWR designs after nationalisation in 1948. regards, Martin. posted: 9 ...
... not clever, merely helping Martin by helping ourselves. Regards Dave posted: 2 Dec 2011 13:36 from: Martin Wynne LSWRArt wrote: I do not understand what is a B turnout (are there A, C- Z turnouts?). I do understand that 7 means a 1 in 7 crossing angle, but I do not see how to convert radius to angle to know what crossing angle to choose. Hi Art, Welcome to Templot Club and thanks for joining. Very briefly: Yes -- the traditional bullhead-rail range of switches from about 1925 (called "R.E.A." semi-curved) runs from A (shortest point blades) to F (longest point blades). Modern high-speed flat-bottom turnouts can be much longer. These in turn are combined with different crossing angles to produce a wide range of turnouts. Then the whole turnout can be curved onto any radius as required, like this: 2_280716_410000000.png Some typical radius sizes (internal geometrical radius) for straight turnouts in 0 Gauge -- these ...
205. Shrewsbury 1978
... topic: 2485 Shrewsbury 1978 posted: 8 Jul 2014 11:58 from: Martin Wynne Some trackbuilding inspiration here, at Shrewsbury in 1978. An irregular diamond with outside slip in GWR bullhead: 2_080651_430000000.jpg And a curved half-scissors in flat-bottom: 2_080655_130000000.jpg 2_080655_460000000.jpg Martin. Parts of Templot Club may not function unless you enable JavaScript (also called Active Scripting) in your browser. Templot Club> Forums> Prototype pics> Shrewsbury 1978 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 non-commercial purposes, and in your messages on this web site. If you want to publish any of this material elsewhere or use it commercially, you must first obtain the ...
... Hayfield Thank you both for taking the time to explain. I thought it looked like the rail I had seen in books but its the first time in the flesh posted: 28 Feb 2015 11:24 from: D Foster Bridge Rail being of very shallow depth had to be laid on longitudinal baulks where there was any weight of traffic. (Baulk road was kept to gauge by gauge bars). As far as I know it was always iron rail. This meant that for Standard Gauge lines it was rapidly superseded by Bullhead or the unsuccessful Double Headed rail in the UK. The GWR in particular was extremely fond of recycling and used large amounts of redundant Bridge Rail for sign posts, fence posts and also the stumps of boundary markers. Until recently at least there was a remaining post for a sign at Banbury. Fence posts are all over the ex GWR- notably and accessibly on the Llangollen Railway- where there is also a boundary marker. I have examples of narrow gauge (2ft) industrial bridge rail- about 2" tall and ...
... 2013 15:36 from: Hayfield Matt thanks for that,will try and follow it up John posted: 29 Sep 2013 18:05 from: Martin Wynne Hayfield wrote: What I am looking for is a gauge with a positive connection to the rails but allows for the 1-20 inclination. I have a contact who is willing to turn me a set and I am looking for any advice that is available Hi John, The deeper slot face on the inside in your sketch serves no purpose. The head of bullhead rail is radiused on the corners and will easily turn through the small angle of 3 degrees within a standard roller gauge slot: 2_291255_350000000.png It is only necessary not to make the slot so deep that it engages the rail foot. A slot depth of 1.0mm is about right* for 4mm scale. The chairs hold the rail upright (at 3 degrees, 1:20), so when using functional chairs there is no need for the gauge tool to hold the rail, it is used solely for gauging. *for ...
... , now that I've got John's Servo Towers, there's the question of getting the signaling underway. After that there's the conversion of all my 00 stock to EM. Sometimes I wish I'd been a little less ambitious and either stuck with 00, which would have saved a lot of time at some point in the future, or chosen a smaller prototype! And then most of the station needs ballasting! Sometimes I find myself thinking that I could make a small diversion and build a simple station using half a dozen of Peco's new bullhead points in either 00 or EM, just to have something running and complete and not be left staring at 20 feet of incomplete station 6 years on! Well, Yeovil has been 4 years in construction so far, and it's 6 years since doing any work on my old layout and I suppose I'm missing all the other aspects of construction that make our hobby so diverse and rewarding. So apart from finishing off laying in the last of the surface run wiring I've not done much recently and at the moment selling lots ( ...
... to the above question be, to ensure all templates are saved in the box folder, and backed up elsewhere, then to re-install of the TDV (build #4009)? You shouldn't ever need to re-install Templot just to change a setting. Simply restarting Templot clears everything, although I can't think of any reason why you would need to do even that. Question 3. Is there anyway I can change the crossing angle decision points? No. They are set up to match the common UK REA bullhead sizes and the early flat-bottom drop-in replacements. I agree that it would be handy sometimes to be able to change them, but given the massive range of prototype possibilities (just think narrow-gauge for a moment, or USA practice), the user interface to do so would be a nightmare. There are several places in Templot where stuff which could be quite easily implemented in the code, isn't available simply because the user interface to control it would be too complex. Folks already complain that Templot ...
... you to post messages in the usual way and the email clearly contains your Templot Club user name. Sorry to hijack Brian's topic. Martin. posted: 4 Sep 2011 21:34 from: R A Watson Brian, Sorry, I do not have the T D V, much too modern for me, but Phil has and can probably help. Martin, I believe H T C is make of mobile phone with 3g capabilities, also too modern for me. I have only recently learnt how to put together full size bullhead track. Wally posted: 4 Sep 2011 23:28 from: Brian Nicholls R A Watson wrote: Sorry, I do not have the T D V, much too modern for me, but Phil has and can probably help. Hi Wally, Thanks again for your input, I'm sure Phil, being the expert on the subject would solve the problems in a flash. I did not post the box file of the formation because I did not necessarily wish to take up any ones valuable time, but am willing ...
... track it's likely that the check flares were bent rather than machined. You may want to change the rail section data at real> rails> rail section data... menu item. If I use one data set and then change my mind does Templot simply update everything based on the new choices, or do I need to re-model? I'm not too clear what you mean by "data set"? Everything in Templot is set individually to match your chosen prototype. Unless changed the defaults are always for REA bullhead track dating from about 1925. Once changed the settings remain in force* for subsequent adjustments to the control template but don't change any previously stored templates. However there are several "modify on rebuild" functions to make various aspects of the stored templates match the current control template. You will find these as modify group to match menu items. *if you mint a NEW control template, some settings are restored to the REA defaults. Last, the track plan I am following has a gradually tightening curve. How can ...
... well worth it. Last edited on 31 Oct 2014 03:02 by DerekStuart posted: 4 Nov 2014 18:21 from: Tony W Hi Derek. I have now had a chance to scan the table I referred to earlier. It comes from a small book called British Rail Handbook by B.K.Cooper published in 1981 and refers to the then modern Flat bottomed point work being installed by BR. Note that the limits for a crossover are often lower than for a single turnout due to the reverse curve. I would expect that Bullhead P&C speed limits would be lower than these figures but it is undefined interesting to see how slowly the limit rises as the turnouts lengthen. 2151_041315_060000000.png Regards Tony. posted: 4 Nov 2014 20:02 from: DerekStuart Cheers Tony. Someone did also show me a copy of a BH version of that document, but in the 100s of bits I've got I've misplaced it. If the 'owner' is agreeable I will upload it to this thread as it would make a good comparison for anyone else between the two ...
213. Gaunt turnouts
... topic: 2571 Gaunt turnouts posted: 8 Nov 2014 05:47 from: Martin Wynne Pictures of gaunt turnouts don't come up very often -- this one was posted on RMweb recently: http://www.rmweb.co.uk/community/index.php?/topic/92091-some-very-fundamental-questions/#entry1649022 Thanks to Jonathan. Here are some cab views of the gauntletted bullhead track on the Boyne viaduct at Drogheda in Ireland. When this bridge was rebuilt in the 1930s it was no longer wide enough for the original double tracks, so they were gauntletted together. I took these pictures on 5th September 1986. The track on the bridge is now ordinary flat-bottom single track for the sake of using standard modern equipment. 2_080030_460000000.jpg© Martin Wynne 2_080030_460000001.jpg© Martin Wynne 2_080030_460000002.jpg© Martin Wynne Gauntletted track is quite a rare beast. The main reason for including gaunt turnouts in Templot is because they come in very handy as a source of partial templates in complex formations. See the template> gaunt options>? gaunt- help menu ...
... an old one removed from the turnout on the right and waiting to be collected, or a replacement waiting to be installed. It's odd that they would leave it where it is, rather than in the 6ft way, but maybe that was the most convenient spot for access to/from their trolley while the other line was still in use. Given the walkway on the left they would have placed it close to the track and well out of anyone's way. What looks strange though is that it is standing upright. Short bullhead rails left lying about almost always lie flat, unless several are stacked together. All in all a very odd photograph. Strangely none of the dozens of folks in the picture seem to be taking the slightest interest in this check rail. I've noticed that in other pictures too. You almost never see anyone looking at a check rail. Martin. posted: 14 Nov 2014 14:45 from: DerekStuart "Strangely none of the dozens of folks in the picture seem to be taking the slightest interest in this check rail ...
215. Some more info . .
... : 27 Nov 2013 05:50 from: Martin Wynne Hi Max, The easy one first: How do I get the foot of the rail to show? I can't see the edges of the rails once the actual rail is on top of the ties. Click the real> rails> head and foot (flat-bottom rails) menu item: 2_090523_110000000.png You won't see any changes on the trackpad, except that the info panel will show FB instead of BH -- FB is flat-bottom rails, BH is bullhead rails: 2_130700_220000000.png Click the real> rails> rail section data... menu item to set the width of the rail foot to match the rail which you are using. The data is in prototype inches, so you will need to measure your rail and do the scale conversion. (Templot can convert it for you if you use the input conversion factors, but I've received complaints that I include too much information in my replies.) n.b. You won't see the rail foot edges when printing the control template ...
... topic: 2298 New templates from C&L in 00, EM and P4 posted: 28 Aug 2013 10:04 from: Martin Wynne C&L have finally released a huge new range of printed templates, created by Len Newman: http://www.finescale.org.uk/index.php?route=product/category&path=631 These are excellent REA bullhead template drawings with full chair detail. If you scan these templates (private use only) and load them into Templot as picture shapes, you can overlay the Templot equivalents and create fully chaired versions of your Templot track plans. (For curved turnouts, use the image wrapping function in the background shapes to curve the scanned image to match.) Here I have done that with the P4 B-8 template and overlaid the equivalent Templot template. To create that in Templot, change to a generic-type V-crossing and convert RAM to CLM crossing angles. I'm hoping these few example screenshots fall within fair dealing for copyright. These templates represent years of work by Len Newman - ...
... topic: 1601 Modern flat bottom rail turnouts posted: 24 Aug 2011 20:52 from: simon moore Recently i have been experimenting in the art of track building& perfecting various aspects of copperclad pointwork. Having found bullhead rail quite easy to work with i decided it was time to have a go at a modern turnout. Flat bottom rail is rather chunky& needs rather more filing& work to get a nice vee& as a result offers different challenges. After a quick google for information& photos i came across James Wells, Eastmoor blogspot which i have read in the past. James works i believe for Grantrail so he knows his stuff when it comes to track. The one thing that cropped up was templates& designs for modern trackwork& turnouts or rather lack of it. This has got me thinking about templot, Although i am not genius templot user i do use it to print off turnout templates to work from& find it useful that way. Having read the Eastmoor entry it got me wondering if anyone had designed a modern ...
... 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 rail ware my track is FB i could not see ware i could change this to FB rail Does this matter? if so is their a way to change templot to flat bottom rail any help would be very much appreciated thanks Derek Turner posted: 23 Nov 2012 11:24 from: Martin Wynne dlt65 wrote: is their a way to change Templot to flat bottom rail? Hi Derek, Welcome to Templot Club. To change to FB rails, click the real> rails> head and foot (flat-bottom ...
219. Construction methods
... : 21 Mar 2012 18:08 from: Tony W julia wrote: But I have plans on my drawing board for an BR(S) 00 scale layout, for which I would love to make my own track. What are the current options for hand laying track? Are there techniques that give an effective looking chair finish? Thanks J Hi Julia. You could use the same construction methods for OO as HOe ie PCB sleepers, but if you want to achieve chaired track then you will need to use code 75 bullhead rail and plastic chairs with either plastic or timber sleepers and solvent glue. These components are supplied by both C&L or Exactoscale. An internet search will soon find them. Tony. Parts of Templot Club may not function unless you enable JavaScript (also called Active Scripting) in your browser. Templot Club> Forums> Trackbuilding topics> Construction methods 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 ...
... to Templot Club. Here are a couple of images to help explain.These are switch-diamond-crossings (i.e. they have movable K-crossings), but you can add slip roads to make them into slips, just as for fixed K-crossing diamonds. The two sets of moving switch blades at the centre always move together, in opposite directions: switch_diamond_10bh.jpg switch_diamond.jpg Notice that in a flat-bottom switch-diamond (lower photo) the switch tips (points) are carried on two separate timbers. In a bullhead switch-diamond (upper drawing) both switch tips share a common wider centre timber. Here is an excellent picture from Mick Nicholson showing a flat-bottom double-slip with movable K-crossings. As one switch blade opens, the other closes. You can see that this doesn't affect the provision of the slip roads in the other rails: fb_movablek_dslip.jpg© thanks to Mick Nicholson Using movable K-crossings will give you very much more reliable running at 1:10 angle, and they are much easier to construct ...
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