arff999 Posted July 19, 2019 Share Posted July 19, 2019 Has any one wired a wye junction for DCC Be interested to see how you've done it. John Link to post Share on other sites More sharing options...
jamespetts Posted July 30, 2019 Share Posted July 30, 2019 Do you simply mean a single Y turnout, or a double junction? A single Y turnout is wired in the same way as a left or right hand turnout. Link to post Share on other sites More sharing options...
Zomboid Posted July 30, 2019 Share Posted July 30, 2019 Or is it a Wye in American terminology, ie a triangle? Link to post Share on other sites More sharing options...
Sails Posted July 31, 2019 Share Posted July 31, 2019 A wye junction, question might be better answered in the DCC forum, I'd be interested to here the answers, not something I suspect you see modelled that much. Mark Link to post Share on other sites More sharing options...
Fat Controller Posted July 31, 2019 Share Posted July 31, 2019 2 hours ago, Sails said: A wye junction, question might be better answered in the DCC forum, I'd be interested to here the answers, not something I suspect you see modelled that much. Mark Not many prototypes in the UK, at least not purpose-built for turning stock. The only ones I can think of are the one at Valley, Anglesey, of fairly recent construction, and Aberystwyth shed, where one replaced the turntable. Outside of North America, Spain was probably the biggest user, as Talgo sets had to be turned in their entirety. 1 Link to post Share on other sites More sharing options...
Zomboid Posted July 31, 2019 Share Posted July 31, 2019 Wiring one of those for DCC is exactly what frog juicers were invented for. 2 Link to post Share on other sites More sharing options...
RMweb Gold Harlequin Posted July 31, 2019 RMweb Gold Share Posted July 31, 2019 "Frog Juicer" or "Auto Reverser" - pretty much the same thing except that the Auto Reverser is specifically designed to switch the "polarity" of two rails at the same time. If the OP is talking about Y points then the old Code 100 electrofrog Y point does indeed need to be handled differently because the point blades don't have isolators built into the rails with links underneath that can be cut. So if you want to feed the frog from an external switch you have to cut through the rails. There might be other points in the Peco electrofrog range with the same issue. Link to post Share on other sites More sharing options...
RLWP Posted July 31, 2019 Share Posted July 31, 2019 2 hours ago, Fat Controller said: Not many prototypes in the UK, at least not purpose-built for turning stock. The only ones I can think of are the one at Valley, Anglesey, of fairly recent construction, and Aberystwyth shed, where one replaced the turntable. Outside of North America, Spain was probably the biggest user, as Talgo sets had to be turned in their entirety. Hatton: https://www.google.com/maps/place/Hatton,+Warwick/@52.295217,-1.6792188,641m/data=!3m1!1e3!4m5!3m4!1s0x4870cbd2cc67c5f7:0x82fef6b111f31116!8m2!3d52.300713!4d-1.6462357 Richard Link to post Share on other sites More sharing options...
RMweb Premium Flying Pig Posted July 31, 2019 RMweb Premium Share Posted July 31, 2019 (edited) I'm pretty sure the OP meant triangular junctions and it's a pity they haven't returned to confirm that. Edited July 31, 2019 by Flying Pig 1 Link to post Share on other sites More sharing options...
RMweb Premium melmerby Posted July 31, 2019 RMweb Premium Share Posted July 31, 2019 5 minutes ago, Flying Pig said: But loads of triangular junctions, Well used for turning steamers, with the lack of turntables these days. 1 Link to post Share on other sites More sharing options...
Night Train Posted August 3, 2019 Share Posted August 3, 2019 On 31/07/2019 at 07:26, Fat Controller said: Not many prototypes in the UK, at least not purpose-built for turning stock. There are two at Sellafield. https://goo.gl/maps/s37mhYTq7AmMYKJN8 Link to post Share on other sites More sharing options...
RLWP Posted August 3, 2019 Share Posted August 3, 2019 13 minutes ago, Night Train said: There are two at Sellafield. https://goo.gl/maps/s37mhYTq7AmMYKJN8 Wow, there are railways in all directions there! Richard Link to post Share on other sites More sharing options...
RMweb Gold SVR C & W Posted August 4, 2019 RMweb Gold Share Posted August 4, 2019 Chichester is another example of a triangle. Built to turn locos. Link to post Share on other sites More sharing options...
RMweb Gold The Stationmaster Posted August 4, 2019 RMweb Gold Share Posted August 4, 2019 (edited) Peterborough (GNR/LNER ) shed had a triangle instead of a turntable for turning engines. Triangular junctions were quite common - for example on the GWR/WR main line out of Paddington there were triangular junctions at West Ealing/Hanwell, Slough, Reading, Didcot (2), Thingley Jcn, Bristol East Depot/North Somerset Jcn and North Somerset Jcn/Temple Meads East, then another one just past Temple Meads at Bedminster. That meant there were 5 triangular junctions - counting the two at Didcot separately - in the first 53 miles out of Paddington. And as there are now what amounts to two separate triangular junctions at Reading there are still 5 in that distance with both. Reading and Didcot nowadays having a second triangular junction within a larger triangular junction. With at one time 9 triangular junctions between Paddington and Bedminster that gave almost as big an average as Paddington - Didcot with = 1 every 13 miles instead of =1 every ten miles. In fact overall, helped somewhat after the Grouping, the GWR had a considerable number of triangular junctions with the following immediately coming to mind - Greenford, Bradford Jcn, Westbury, Stoke Gifford/Filton(2), Plymouth (3 - incl one part GWR/part SR), Newport (2 on running lines), Cardiff, Swansea Loop, Carmarthen, Pontypool Road, Abergavenny (joint with the LNWR/LMS), Hereford (2 - partially joint with LMS constituents), Shrewsbury, Worcester, various in the Birmingham and Wolverhampton areas, several inherited from the South Wales grouped companies such as Carerphilly(2) and Pontypridd. But among all that lot there weren't very many which fit the image of a typical US wye with all three junctions pretty close together - Bradford junction came reasonably close (all three junctions controlled by one signalbox lever frame) as did the Cornwall Junction triangle at Plymouth although each junction there was worked by a separate signal box. Edited August 4, 2019 by The Stationmaster 4 Link to post Share on other sites More sharing options...
RMweb Premium melmerby Posted August 4, 2019 RMweb Premium Share Posted August 4, 2019 In the immediate Birmingham area there are three tri-angular junctions Soho, Perry Barr & Lifford as well as one further out at Water Orton (Sutton Park Line.) Others around Walsall etc. Link to post Share on other sites More sharing options...
RLWP Posted August 4, 2019 Share Posted August 4, 2019 2 hours ago, melmerby said: In the immediate Birmingham area there are three tri-angular junctions Soho, Perry Barr & Lifford as well as one further out at Water Orton (Sutton Park Line.) Others around Walsall etc. I should have remembered the first two, having lived not far from one of them Richard Link to post Share on other sites More sharing options...
RMweb Premium melmerby Posted August 4, 2019 RMweb Premium Share Posted August 4, 2019 43 minutes ago, RLWP said: I should have remembered the first two, having lived not far from one of them Richard There are plenty of others but UK ones are not specifically turning wyes which are still common in the US, especially in yards. There are still plenty of turntables as well. Link to post Share on other sites More sharing options...
RLWP Posted August 4, 2019 Share Posted August 4, 2019 1 minute ago, melmerby said: There are plenty of others but UK ones are not specifically turning wyes which are still common in the US, especially in yards. There are still plenty of turntables as well. I don't think it has ever been determined exactly what the OP was asking about Richard 1 Link to post Share on other sites More sharing options...
RMweb Premium melmerby Posted August 4, 2019 RMweb Premium Share Posted August 4, 2019 1 minute ago, RLWP said: I don't think it has ever been determined exactly what the OP was asking about Richard OP didn't reply to the clarification questions and we meantime, as usual, have gone walkabout! 3 Link to post Share on other sites More sharing options...
RLWP Posted August 4, 2019 Share Posted August 4, 2019 I like a good ramble 2 Link to post Share on other sites More sharing options...
RMweb Premium St Enodoc Posted August 5, 2019 RMweb Premium Share Posted August 5, 2019 20 hours ago, The Stationmaster said: But among all that lot there weren't very many which fit the image of a typical US wye with all three junctions pretty close together - Bradford junction came reasonably close (all three junctions controlled by one signalbox lever frame) as did the Cornwall Junction triangle at Plymouth although each junction there was worked by a separate signal box. Tolcarn Junction, just outside Newquay in Cornwall, was controlled by one box. Two of the legs were running lines (the main route to Par and the secondary route to Chacewater) and the third was used mainly for loco turning - there being no turntable at Newquay itself (I know you know this, Mike - just adding to your list for the information of others). 1 1 1 Link to post Share on other sites More sharing options...
Zomboid Posted August 5, 2019 Share Posted August 5, 2019 At no point has the OP said anything about this being for a British layout... 1 Link to post Share on other sites More sharing options...
RMweb Gold The Stationmaster Posted August 6, 2019 RMweb Gold Share Posted August 6, 2019 22 hours ago, Zomboid said: At no point has the OP said anything about this being for a British layout... Maybe there's a clue in his avatar? Link to post Share on other sites More sharing options...
Zomboid Posted August 6, 2019 Share Posted August 6, 2019 Maybe, but I'm not building a Futurama themed layout, so it could be similarly irrelevant. No need to stick a 47 on a turning wye, either Link to post Share on other sites More sharing options...
RMweb Premium melmerby Posted August 6, 2019 RMweb Premium Share Posted August 6, 2019 Talking of turning wyes: https://goo.gl/maps/wfPfhqi1GauoQqdQ7 1 Link to post Share on other sites More sharing options...
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