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Longbridge turnback

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Longbridge turnback 19/03/2017 at 11:01 #93795
Soton_Speed
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35 posts
Having done an exhaustive search on here and throughout Google, I can't seem to find the length of the turnback siding at Longbridge. Any ideas? Don't mind adding the info to the wiki...

Also, is the crossover at Lifford West Jnc wired in real life so that AC traction can reverse at SY527? The sim allows this but wondered about operational realité...

TIA

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Longbridge turnback 19/03/2017 at 11:12 #93796
Danny252
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1346 posts
Measuring the turnback on Google Earth, it's optimistically 194m (signal may be further back from the catch points than I assumed).
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Longbridge turnback 19/03/2017 at 13:26 #93813
JamesN
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864 posts
Soton_Speed in post 93795 said:

Also, is the crossover at Lifford West Jnc wired in real life so that AC traction can reverse at SY527? The sim allows this but wondered about operational realité...

TIA
Yes, and infact there is a main aspect route from SY41 in Platform 4 at Kings Norton to SY47 to allow this move to be carried out in passenger service. Not the most common recovery move on the Cross City, as it is quite disruptive, but I've seen it done on occasion with infrastructure issues at Longbridge.

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Longbridge turnback 19/03/2017 at 23:29 #93877
Soton_Speed
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Danny252 in post 93796 said:
Measuring the turnback on Google Earth, it's optimistically 194m (signal may be further back from the catch points than I assumed).
Right, enough for a 6-car 323 but not for a 9-car (or specifically a 3-car on top of a 6-car) in times of 'service perturbation'.

JamesN in post 93813 said:
Soton_Speed in post 93795 said:

Also, is the crossover at Lifford West Jnc wired in real life so that AC traction can reverse at SY527? The sim allows this but wondered about operational realité...

TIA
Yes, and infact there is a main aspect route from SY41 in Platform 4 at Kings Norton to SY47 to allow this move to be carried out in passenger service. Not the most common recovery move on the Cross City, as it is quite disruptive, but I've seen it done on occasion with infrastructure issues at Longbridge.
Thanks, TIL. Had always assumed that SY41 was only to allow access to the Camp Hill line from Kings Norton OTP.

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