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From Fast to Slow at Sharnbrook Jn?

You are here: Home > Forum > Simulations > Timetables > West Hampstead > From Fast to Slow at Sharnbrook Jn?

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From Fast to Slow at Sharnbrook Jn? 06/01/2022 at 09:59 #143369
bugsy
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1766 posts 		I have 1D06 approaching Sharnbrook Jn on the Down Fast when a slot was given on the Down Slow.
I am tempted to ignore it and send the train via the Down Fast as there was nothing in the timetable to suggest that it has to use a particular line. Would it be wrong to do this?
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Everything that you make will be useful - providing it's made of chocolate.
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From Fast to Slow at Sharnbrook Jn? 06/01/2022 at 10:28 #143371
y10g9
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895 posts 		May I suggest that you read the manual as it explains all you need to know about the Slot on the Down Slow at Sharnbrook Junction. This is the section to read which I have quoted below for you.

Quote:
Sharnbrook Junction
To send a Down train on the Up and Down Slow requires Leicester to give a slot . In real life West Hampstead can only request this slot by phone to Leicester PSB, with Leicester normally granting the slot as they see trains approaching without the need for a phone call. The section is quite long so it may be more efficient to send a Down train via the Down Fast - as long as it will not delay anything on that line. Keep in mind the steep gradient over Sharnbrook Summit.

In the simulation, the slot will be granted if a train is approaching on the Down Fast or the Down Slow, regardless of the timetabled routing. The slot will be taken away if the routes set at Sharnbrook Junction take the train onto the Down Fast. There is no facility to phone Leicester in the simulation.

Before 1987 the slow line was a double goods line. The lines were singled and made up to passenger standards, coinciding with the opening of Leicester PSB in 1987. Leicester PSB replaced a number of manual signalboxes on the route (both fast and slow lines) and it's not practical to simulate these on the fringe at the same time as a modern standard. Therefore, artistic license can be assumed for early 1980s eras.
End of the day, if the train is not booked to go Slow and its already on the Fast, then leave it on the Fast
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From Fast to Slow at Sharnbrook Jn? 06/01/2022 at 11:12 #143372
bugsy
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1766 posts 		I always read the manual before starting a new sim. Unfortunately my memory isn't that great and most of which I read ends up somewhere other than where it should in my brain.
However, thanks for providing the relevant text in your post
Everything that you make will be useful - providing it's made of chocolate.
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