Poor Old Bruce Posted May 25, 2020 Share Posted May 25, 2020 Hi Folks, I have been asked if I can find a gradient profile for the Cardiff to Rhymney line. If it was LM territory I might stand a better chance but South Wales is another world. I have had a quick Google but that didn't seem to show up anything for me so I am wondering if anyone on here can point me in the right direction please. TIA Richard Link to post Share on other sites More sharing options...
philip-griffiths Posted May 25, 2020 Share Posted May 25, 2020 RW Kidner’s book The Rhymney Railway from Oakwood Press. I was surprised that it did not have a gradient profile but in the appendices it contains ruling gradients between junctions and stations. I’d recommend you try the Welsh Railway Research Circle. They have line specialists who would be able to help. regards. 1 Link to post Share on other sites More sharing options...
philip-griffiths Posted May 25, 2020 Share Posted May 25, 2020 The other option is Middleton Press Cardiff to Cae Harris. It has the profile as far as Ystrad Mynach. While the Rhymney and New Tredegar Lines book has it north of Ystrad. 1 1 Link to post Share on other sites More sharing options...
RMweb Gold The Johnster Posted May 25, 2020 RMweb Gold Share Posted May 25, 2020 Can't remember all of it, but definitely level Crockherbtown Jc-Crwys Rd, then 1 in 90 Crwys Rd-Van, level Van-Caerphilly. It's uphill all the way at varying gradients from Aber Jc, steepest pitches IIRC Bargoed-Brithdir and Pontlottyn-Rhymni (to use current spelling). Line speed in the 70s was 90 mph as far as Van. 1 Link to post Share on other sites More sharing options...
Poor Old Bruce Posted May 25, 2020 Author Share Posted May 25, 2020 Thanks Guys, that gives some clues to follow. Link to post Share on other sites More sharing options...
RMweb Gold The Stationmaster Posted May 26, 2020 RMweb Gold Share Posted May 26, 2020 I have an official list of all the gradients which are steeper than 1 in 200 on that route but apart from a general description of where they are (i.e. between, say,Tirphil and Pontlottyn) it does not give sufficient information to create a gradient chart. And obviously it does not include those which are not as steep as 1 in 200. 1 Link to post Share on other sites More sharing options...
eastglosmog Posted May 26, 2020 Share Posted May 26, 2020 The gradient profile changed quite a bit during the life of the line due to the activities of the NCB and its predecessors. Settlements of 6m or more altered the gradients quite a bit. Link to post Share on other sites More sharing options...
Poor Old Bruce Posted May 27, 2020 Author Share Posted May 27, 2020 13 hours ago, eastglosmog said: The gradient profile changed quite a bit during the life of the line due to the activities of the NCB and its predecessors. Settlements of 6m or more altered the gradients quite a bit. Point taken thanks but still no better off. Link to post Share on other sites More sharing options...
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