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Magic Buffer Stops at Proof House Jn

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Magic Buffer Stops at Proof House Jn 17/03/2018 at 00:39 #106821
9pN1SEAp
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Hi,

Whilst trying to work round a TCF I decided to work a train reverse from St. Andrew's to Birmingham reverse via UWL. It happily went through Grand and Curzon but when it got to keyed points P555 - between signals 149 and 142, it stopped "at buffer stops" and just sat there, not a peep from the driver. It didn't reach shunting signal 155 as I hoped. If I reverse it and try again, same thing happens again at that junction.

I've attached a save. I know it's an outlier case so not a world-beating bug!

Thanks!
Jamie

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Jamie S (JAMS)
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Magic Buffer Stops at Proof House Jn 17/03/2018 at 00:44 #106822
pedroathome
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9pN1SEAp in post 106821 said:
Hi,

Whilst trying to work round a TCF I decided to work a train reverse from St. Andrew's to Birmingham reverse via UWL. It happily went through Grand and Curzon but when it got to keyed points P555 - between signals 149 and 142, it stopped "at buffer stops" and just sat there, not a peep from the driver. It didn't reach shunting signal 155 as I hoped. If I reverse it and try again, same thing happens again at that junction.

I've attached a save. I know it's an outlier case so not a world-beating bug!

Thanks!
Jamie

I dont know if this is the same issue as the following, all be it in a different location, although from your description it does (Not had chance to look at the save):

https://www.simsig.co.uk/Forum/ThreadView/43472

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Magic Buffer Stops at Proof House Jn 27/05/2020 at 12:28 #127162
Soton_Speed
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Seemed to have found the equivalent issue on the UP DEL - 2N54 blocked by TCF/locked points at Proof House Jn so reversing back to New Street. Magic buffers between T206 and T205....

Save attached.


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Magic Buffer Stops at Proof House Jn 27/05/2020 at 15:26 #127169
Albert
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Off topic: it appears that reversing between Proof House and Landor Street is still possible there & is a signalled move, so that would be more realistic in the 2N54 case.

In any case I don't see a difference between the three eras in the overlap track circuit there. At least, when comparing the signal number plans - the layout on the UW is slightly different than on the PDF plan so perhaps there's been a sim update introducing an era difference there? (Proof House Jn is different, of course; and that caused issued in the linked thread at signal 82.)

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Last edited: 27/05/2020 at 15:30 by Albert
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Magic Buffer Stops at Proof House Jn 27/05/2020 at 15:53 #127170
GeoffM
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There is a join between eras there. It's logged on Mantis for me to look at, though I've not had success fixing it yet.
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Magic Buffer Stops at Proof House Jn 27/05/2020 at 21:15 #127179
Soton_Speed
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Albert in post 127169 said:
Off topic: it appears that reversing between Proof House and Landor Street is still possible there & is a signalled move, so that would be more realistic in the 2N54 case.
Drive phoned up saying incompatible traction - train is a Cl 323.

I dunno whether in reality there is enough knitting to reverse behind NS138? Would enough wiring be provided in case of a mis-route?

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Magic Buffer Stops at Proof House Jn 27/05/2020 at 21:51 #127183
Steamer
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Soton_Speed in post 127179 said:

I dunno whether in reality there is enough knitting to reverse behind NS138? Would enough wiring be provided in case of a mis-route?
Quail shows that wires are provided along the Up and Down Derby as far as Grand Jn, presumably to provide wrong-route insurance. However, whether or not a train would be authorised to use them in this situation is another matter entirely.

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Last edited: 27/05/2020 at 21:52 by Steamer
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Magic Buffer Stops at Proof House Jn 28/05/2020 at 00:15 #127188
GeoffM
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Soton_Speed in post 127162 said:
Seemed to have found the equivalent issue on the UP DEL - 2N54 blocked by TCF/locked points at Proof House Jn so reversing back to New Street. Magic buffers between T206 and T205....
Same issue - connection between two eras, of which there is one on each line around Proof House and a couple of other places. Once I work out a fix, it'll apply to all of them.

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