gabrielhj07
Member
Might just be the video but I've seen much worse from a 455 and even a 450
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Class 701 'Aventra' trains for South Western Railway
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Snow1964
Established Member
Bit of a chicken and egg situation, if use the driving instructors to drive then can't be instructing (unless others crammed in watching). If not Instructing then who is doing the driving of the token service.
Sort of bonkers that weeks later cannot introduce a second diagram, as would have thought there should be handful trained up every week, and even at just 5 a week will only have done 240 drivers by Christmas (2024).
Goldfish62
Established Member
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- 10,065
Obviously never been on a 458 then.
Unbelievable. They've had years to develop the training programme.
Sounds to me like Ian Walmsley's (slightly) tongue in cheek comments that having run out of excuses not to introduce the trains SWR will string out training for as long as possible so that drivers need refreshers before they can be introduced, thus creating a self-perpetuating indefinite delay may in fact have more than a ring of truth!
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GeoffS
Member
508 and 529 (as per photo on wnxx.com)
TrainBoy98
Member
Cheers
norbitonflyer
Established Member
That's four days in a row for the same unit - a new record
Not showing on RTT for some reason
OneTrackMinded
Member
Yeah nothing at all on RTT
03_179
Established Member
Not showing on my system either
Sam 76
Member
To be fair the 777s went quite a while before increasing to 2 disgrams and after a couple of months ramped up quite quickly. Could happen with the 701s too once the programme is agreed
OneTrackMinded
Member
For those wondering about ABDO and if it's ever going to happen, there's this tender about it opened by the RSSB a few months ago. This indicates that, if it does ever get installed, it's probably going to be a long time in the future since it still seems to be in the research stage..?
www.stotles.com
T1326 Enabling assisted braking and door operat... | Stotles
RSSB is seeking to procure research to understand how the existing rules and standards enable or prevent the potential system performance, network capacity, and safety benefits of ABDO to be realis...
www.stotles.com
The_Train
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Does anybody know when 508 returned from MOD Bicester please?
SEtrains
Member
What 701 was dragged today? https://www.realtimetrains.co.uk/service/gb-nr:53070/2024-02-29/detailed
3973EXL
Established Member
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0Z20 - light diesel.
Realtime Trains | 0Z20 0911 Derby Litchurch Lane to Eastleigh Trsmd | 29/02/2024
Real-time train running information for 0Z20 0911 departure from Derby Litchurch Lane to Eastleigh Trsmd on 29/02/2024. From Realtime Trains, an independent source of train running info for Great Britain.
www.realtimetrains.co.uk
SEtrains
Member
Thanks,
Seems as though 47727 went to Eastleigh to take a 701 up to Derby. https://www.realtimetrains.co.uk/service/gb-nr:K01805/2024-03-01/detailed
Seems as though 47727 went to Eastleigh to take a 701 up to Derby. https://www.realtimetrains.co.uk/service/gb-nr:K01805/2024-03-01/detailed
norbitonflyer
Established Member
Once again RTT is being coy about which unit is on today
The_Train
Established Member
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Anybody know which unit please?
3973EXL
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701012
Not been to Bicester.
5Q70 Worksop - Wembley 24/04/23 701508/510
5Q12 Wembley - EH 14/06/23 701510
5Q12 Wembley - EH 15/06/23 701508
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OneTrackMinded
Member
Demonstration of the acceleration on these units, a massive improvement from what it's replacing
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norbitonflyer
Established Member
According to RTT, 701037 ran every day last week (which is a first - no unit before has done more than three consecutive days), and it is out again today.
701039 was allocated on the four consecutive working days Wednesday January 31st - Monday Feb 5th, but Windsor line services were suspended on Feb 1st because of an incident at Wraysbury.
701039 was allocated on the four consecutive working days Wednesday January 31st - Monday Feb 5th, but Windsor line services were suspended on Feb 1st because of an incident at Wraysbury.
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Peter Mugridge
Veteran Member
701 037 is showing again today on RTT, so that's now six operating days in a row.
I believe it is now two round trips and has been for a few weeks
Wow, those things shift!
0.7m/s from a standing start of acceleration imo seems to be undervaluing. Wouldn't be surprised it's a few m/s more. It's suppose to be more efficient with what power it has compared to other units plus a decent traction package. It won't be overhead line performance but it does seem to be in the 0.8s
OneTrackMinded
Member
Indeed they do!
Based off testing with a GPS acceleration monitoring device and comparing with a number of different results from all the other DC stock (desiro [444 and 450], desiro cities [700 and 707], electrostars [377, 378, 387, 376], networkers [465 [both motors], 466], junipers [458], 455, 777, the 701 is the fastest accelerating 100mph DC unit in the country, and the second fastest accelerating DC unit behind the 777, which is comparatively geared for 62mph (higher top speed gearing = slower acceleration and vice versa) (although I don't have data for the 710, so it might tie with that or be third because it has 90mph gearing).
It beats even the similar Desiro Cities (on DC of course) by a decent margin, especially when it comes to sustained acceleration at higher speeds.
It seems that the data provided on wikipedia is often wrong. The case with the desiros anyway is that the 0.85 figure is actually the AC acceleration rather than the DC, but this isn't specified on the Siemens specification sheet for the unit/s. Obviously they're trying to sell their product so they'd attempt to get higher figures in there without technically stating the power mode.
For the Desiro units, e.g the 450 and 444, they wouldn't ever be able to get to their advertised 1m/s^2 rate as they have such high power draw, meaning that the sub stations are unable to cope and therefore the power has been reduced significantly over the years. They’re quite close, but still behind.
In short, SWR’s “better acceleration” claim is indeed true after all, and to quite an extent as well.
Nicholas Lewis
Established Member
Desiros could have better acceleration rates they have the installed power but they were software restricted initially to follow VEP/CIG power profile and when the power system was reinforced that software restriction was never removed.
OneTrackMinded
Member
That's very strange, what's the point in reinforcing the power system if you can't use the benefits from it on the train family you have the most of?
Looks very fast though, interesting to know it can go faster than that.. and also a bit confusing since I did compare a few videos of other units like the 458, 455, and 707 and it beats them there as well so I guess the case is those units accelerate even slower on average than that. Or, and no offence to you or anything, I'm sure you're right, the calculations could be wrong. The GPS data is the most reliable though.
I never understand why drivers use reduced power a lot of the time in places where the speed limit would allow for full power for a decent amount of time. Hopefully in the training programme they're told to use more power when they can as to use the benefits of the new train.
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I can't remember where I read it but the 444 was said to be restricted to 70% of its maximum power and the 450 about 55% of its power.