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    ECML/MML major power problems (09/08)

    950MW of wind disappeared, as well as around 500MW of gas and solar each according to gridwatch. Thats 2 GW of loss in a few minutes. That's fairly substantial. It also happened at roughly peak demand, meaning there was a lot less spare capacity in the system as backup. No, most wind turbines...
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    Station Approach Speed.

    That platform looks significantly longer than 100m or 4 car likely closer to 12 car, and they still came in at 29 Generally for an 8 car or ≈160m-180m platform our TOC trains new drivers for 30mph at the ramp in good conditions. This will usually comfortably get you stopped in step 2, with...
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    Double decker trains

    Unless no individual is taller than 4ft then yes, we could fit double decker trains on the networks. Unfortunately they would only fit little people.
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    Double decker trains

    When the potential costs are tens of billions I'm not sure it's wise to run an experiment with the public purse. Government isn't exactly flush with cash.
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    Seven UK Trains Fail RSSB Seat Comfort Targets

    Agreed, British fire regulations for mattresses means that Latex foam mattresses especially are much less comfortable than those in the US for example. It's a very credible excuse and could take years to iron out the kinks and get back to a similar level of comfort.
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    Yellow warning panels - reflections?

    345s are automatic, and they scream bloody murder if you try to move and they aren't working or have been switched off.
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    Class 345 progress

    Speeds are all displayed on screen in MPH regardless. They are the standard units we use here, it's definately running in kph behind the scenes though and just converting on the display. All the data logging is in kph. IIRC if the ETCS computer is switched off outside the COS the train is...
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    Class 710 LO

    9 car 345s also been needing regular reboots, ETCS computer related.
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    Class 710 LO

    710103 in chadwell heath turnback for the last couple hours.
  10. I

    Idea for additional non-friction Train braking

    Exactly these, just didn't know the name. Never seen them in the UK, but I know they exist.
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    Idea for additional non-friction Train braking

    Are you essentially suggesting a big fan at the front of the train blowing air forwards? That will do somewhere in the region of diddly squat to stop a train. A jet engine might to something helpful but have you considered the fact that high speed jets of air aren't going to be good for...
  12. I

    Class 345 progress

    True but it would get the 7cars back to the east where they belong.
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    GN Class 717

    It's not that it becomes unsafe at 120 minutes. It's that it is a degraded situation. I.e worse or more risky than designed. Therefore it's more unsafe than the normal procedure at all times. All degraded working is usually limited, either by time or distance. It's a get out of jail free card...
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    Class 345 progress

    3 people will certainly be an instructor and 2 trainees. They will be driving if the service is a 345 or a 315. The bombardier tech has to be in the rear cab, and he is employed to be available even when the train is sitting in the depot incase the train is needed for service. Whilst I...
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    Class 345 progress

    Peak times they have to use the 345s, there's just not enough 315s left to run a full service. But weekends and off peak it seems there are less 345s than usual. Sunday's are usually almost all 345 but this week there was just 1 that I saw running. Seems less a full withdrawal, more like they...
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    Class 345 progress

    From what our training suggested then no, not fitted. The platform extensions for 9 cars have been ready for some time on the west, but they still aren't using them. From what I gather that is due to software issues requiring constant resets of the ETCS computers, which takes a long time...
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    Class 345 progress

    Drivers will be in control of releasing the doors in certain driving modes. In some modes there is supervision to prevent wrong side door releases. There are rumours that the 9 car units will have an update that will enable the function outside of the core, this may well be accelerated after the...
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    Class 345 progress

    There isn't a system on the 345s to prevent wrong side door release except within the core. Whilst it's possible it was a software glitch more than likely it was just a case of the driver opening the wrong side. Stratford is high risk for this because of the right-hand side doors on platform 8.
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    Class 710 LO

    But a trains just a train, innit?
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    Class 710 LO

    I have seen a 710 in the old oak area before in one of the various sidings there. That was about 6 months ago or more I guess. Not in the main xrail sidings though, but visible from the Overground tracks anyway.

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