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grahame
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« on: July 10, 2014, 20:01:58 » |
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17:23 Portsmouth Harbour to Cardiff Central due 20:43
This train is being delayed at Westbury.
This train will no longer call at Trowbridge and Bradford-on-Avon.
Will be formed of 7 coaches instead of 3 between Westbury and Bristol Temple Meads.
This is due to safety checks being made. How many 15x units can be coupled into a train? Can't recall seeing a train longer than 6 carriages - and that 6 carriage train wasn't exactly welcomed at Weymouth where the platforms had to be switched around. |
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Coffee Shop Admin, Chair of Melksham Rail User Group, TravelWatch SouthWest Board Member
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Network SouthEast
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« Reply #1 on: July 10, 2014, 20:41:35 » |
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In theory 12 cars is the limit for 15x.
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SDS
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« Reply #2 on: July 10, 2014, 20:54:58 » |
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Not strictly connected but I have seen a 16 car class 365 before (4 sets). The rear most set of 4 was LOU and ran as a Cambridge cruiser to Kings X. They routed it into the old Platform 1 at Kings X where it fouled the points. I believe they then sent the 8 car back to hornsey.
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I do not work for FGW▸ and posts should not be assumed and do not imply they are statements, unless explicitly stated that they are, from any TOC▸ including First Great Western.
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Network SouthEast
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« Reply #3 on: July 10, 2014, 20:57:28 » |
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There's a video on YouTube of an 11 car 375 assisting a failed 12 car 375. A whopping 23 car formation! Although 375s are limited to 12 car maximum in normal service.
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phile
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« Reply #4 on: July 10, 2014, 21:51:12 » |
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Due to "Safety Checks" being made the 17 23 Portsmouth Hbr to Cardiff (3 Cars) and the 17 30 Weymouth to Bristol (4 Cars), the latter having been delayed at Westbury ran, in effect, as a combined train.
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thetrout
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« Reply #5 on: July 10, 2014, 22:42:51 » |
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Well I responded to this post but for some reason it didn't register. Probably my mobile though as sent the post from that. 2C36 has been known on many occasions to run in a 7 or 8 Carriage Formation of various 15x units. It's certainly usually formed with a minimum of 5 Carraiges. Even with just a Guard and Driver the whole consist will continue to Frome   Usually it is the leading set that is used for Passenger seating however. Also South West Trains regularly run Class 159's in 3 Unit formations totalling 9 Cars. I have also seen 3x Class 444s run together in formation (15 Carriages) I think the longest Domestic train in the UK▸ is the ScotRail Caledonian Sleeper? |
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PhilWakely
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« Reply #6 on: July 11, 2014, 22:07:12 » |
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Also South West Trains regularly run Class 159's in 3 Unit formations totalling 9 Cars.
I have seen 2x3 car 159/1 + 2x2 car 159/8 (i.e 10 cars) on the Exeter to Waterloo service on a handful of occasions, although I cannot recollect the precise dates and services. |
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Network SouthEast
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« Reply #7 on: July 11, 2014, 22:37:20 » |
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SWT▸ run 10 car 158 and 159 combos on certain weekday peak services.
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Rhydgaled
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« Reply #8 on: July 12, 2014, 09:29:35 » |
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The Nov2013 Modern Railways has an article on the Nottingham resignalling project. This involved some positioning moves with lots of coupled sprinters. There's a picture of a test run with a class 153, two class 156s and two class 158s (five units, nine carriages). Similar topics on RailUK fourm suggest that the limit is the number of cabs. If that's correct, and the five units in MR▸ was the maximum, you could probably run five class 159s in multiple which gives you a 15 coach train.
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Don't DOO▸ it, keep the guard (but it probably wouldn't be a bad idea if the driver unlocked the doors on arrival at calling points).
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phile
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« Reply #9 on: July 12, 2014, 10:03:21 » |
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There is a maximum of 8 cabs (4 Units) applied to any formation which includes a Pacer/s.
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bobm
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« Reply #10 on: July 12, 2014, 12:36:12 » |
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I think the longest Domestic train in the UK▸ is the ScotRail Caledonian Sleeper?
At 16 coaches the Highland Sleepers are indeed the longest domestic passenger service - except last Monday when the northbound left a faulty coach behind at Crewe in the early hours of the following morning. (Oh and Wednesday night when they didn't run at all)  |
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fatcontroller
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« Reply #12 on: December 19, 2014, 02:00:28 » |
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Pacers have a maximum of 8-cabs.
15x's can run a maximum of 12-cabs.
Of course a 158/9 still has to be considered as 3-cabs and 158798 is only 2!!
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former FGW▸ Staff now working for the People's republic of ScotRail
Anything I post is my own personal view and not that of FGW, FirstGroup, ScotRail or Transport Scotland.
Anything official from these sources will be marked as such.
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JayMac
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« Reply #13 on: December 19, 2014, 07:56:00 » |
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So, true 3 car 158/159s can theoretically run as an 18 vehicle consist?
Whilst FGW▸ 's reformed 3 car 158/9s can only run as a 12 vehicle consist?
Have I got that right? I guess the same would be true of the 150/9s with their 3 cabs, if there were enough of them.
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"Good news for regular users of Euston Station in London! One day they will die. Then they won't have to go to Euston Station ever again." - David Mitchell
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Network SouthEast
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« Reply #14 on: December 19, 2014, 08:08:22 » |
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So, true 3 car 158/159s can theoretically run as an 18 vehicle consist?
Whilst FGW▸ 's reformed 3 car 158/9s can only run as a 12 vehicle consist?
Have I got that right? I guess the same would be true of the 150/9s with their 3 cabs, if there were enough of them.
As I wrote above, the limit is 12 car for 15x. The number of cabs is relevant, because of interactions with Pacers, which as phile says is limited for 8 cabs. So you could have a 158798 (a true 3 car 158) for example coupled to 3 class 143s to make a 9 car formation, but the other 158 hybrid 3 cars could only run coupled to 2 class 143s. The reason for this limit in carriages and cabs is because of the limit of the electrical control systems. |
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