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| Minor corrections 31/12/2018 at 18:10 #114459 | |
TUT
532 posts |
I've just noticed that in the 2016 era, WMSC's signals at Aynho junction are correctly labelled NA4763 and NA9769, however, the inner and outer distants are still labelled BS303R(R) and BS501R(R). I also believe opposing locking should be omitted for OB1768 and OB5001 at Banbury Road. Also JT82 (Chalfont and Latimer northbound outer home) is still three-aspect and I've seen it show as three-aspect in some plans, but it is definitely four-aspect. Last edited: 31/12/2018 at 18:11 by TUT Reason: None given Log in to reply |
| Minor corrections 08/08/2019 at 22:16 #119963 | |
9pN1SEAp
1180 posts 
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Also a minor cosmetic. The Southbound exit at Harrow in full LUL mode - the crossover isn't a scissor junction IRL. And could the boundary between North and BCS-OXF be drawn in please. Jamie S (JAMS) Log in to reply |
| Minor corrections 08/08/2019 at 23:52 #119964 | |
Hap
1037 posts |
Boundary issue has already been logged #17275
How to report an issue: www.SimSig.co.uk/Wiki/Show?page=usertrack:reportanissue Log in to reply |
| Minor corrections 09/08/2019 at 01:22 #119966 | |
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TUT
532 posts |
9pN1SEAp in post 119963 said:Also a minor cosmetic. The Southbound exit at Harrow in full LUL mode - the crossover isn't a scissor junction IRL.Good spot, but it used to be a scissors crossover. It was only converted to two independent crossovers fairly recently, though I'm not sure when and whether or not it was too recently to be included in any of the eras of Marylebone currently simulated 9pN1SEAp in post 119963 said: And could the boundary between North and BCS-OXF be drawn in please.In real life that section is just part of the North panel, although I believe it is planned for it to go into Rugby ROC along with Claydon and the East-West line some time before the eventual closure of the rest of Marylebone IECC Log in to reply |
| Minor corrections 09/08/2019 at 03:14 #119967 | |
GeoffM
6376 posts |
TUT in post 119966 said:9pN1SEAp in post 119963 said:Dated April 2017, so yes, dated later than the sim. By May 2018 it was separate crossovers.Also a minor cosmetic. The Southbound exit at Harrow in full LUL mode - the crossover isn't a scissor junction IRL.Good spot, but it used to be a scissors crossover. It was only converted to two independent crossovers fairly recently, though I'm not sure when and whether or not it was too recently to be included in any of the eras of Marylebone currently simulated 
Post has attachments. Log in to view them. SimSig Boss Last edited: 09/08/2019 at 03:15 by GeoffM Reason: None given Log in to reply The following user said thank you: 9pN1SEAp |
| Minor corrections 09/08/2019 at 07:54 #119968 | |
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9pN1SEAp
1180 posts
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Fancy that. They ripped out the junction and I never noticed :) Thanks all! Jamie S (JAMS) Log in to reply |
| Minor corrections 09/08/2019 at 12:28 #119969 | |
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TUT
532 posts |
Looks like it was done in a blockade in Easter 2017: http://districtdavesforum.co.uk/thread/28132/metropolitan-line-easter-blockade-2017 So looks like it was probably just a few days or weeks after that photo was taken Geoff Last edited: 09/08/2019 at 12:30 by TUT Reason: None given Log in to reply |
| Minor corrections 12/08/2019 at 21:32 #120022 | |
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metcontrol
227 posts |
I knew it had happened but didn't realise it had been as long ago as 2017. Time flies. There are other similar changes planned at Harrow over the coming months/years (funding/new signalling system pending) with most of the crossovers being replaced either as "simpler" scissors or split crossovers as they did in 2017 on the southbound. The aim is to remove the "move-able angles" which are a maintenance and failure nightmare. For those who don't know, put simply the "diamond" within the scissors also has point blades so when the route is set across the crossover, there is a continuous rail throughout the route. They are notoriously unreliable especially during periods of very hot weather (though the current "summer" is proving slightly less problematic). In terms of the LUL bit on Marylebone, Harrow North Junction (between North Harrow and Harrow-on-the-Hill) is also on the cards for replacement plus numerous alterations at Amersham including the loss of a siding. However one bit that won't now be changing is a junction south of Watford leading to a wish-list branch and chain to Watford Suburban / Watford Junction. Log in to reply |
| Minor corrections 13/08/2019 at 16:56 #120024 | |
Steamer
3984 posts |
metcontrol in post 120022 said:Interesting. Why did LUL install them? Heavy rail tends only to use them in high speed areas. Does LUL provide them on points with tight curves? "Don't stress/ relax/ let life roll off your backs./ Except for death and paying taxes/ everything in life.../ is only for now." (Avenue Q) Log in to reply |
| Minor corrections 13/08/2019 at 18:13 #120025 | |
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metcontrol
227 posts |
I am not sure of the exact reasons they were installed other than they were originally provided for faster crossing speeds. Network-wide there are a multitude of oddities like this and the Harrow area in particular (especially the signal cabin itself) is littered with lots of different examples. Unlike the rest of LU, the part of the Met Line depicted in Marylebone is much more like the national rail network, with mostly full-speed overlaps and multi-aspect signalling (albeit provided by LU style signals). Log in to reply |