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  1. TwistedMentat

    GWR Class 800

    If the reporter is just a generalist local reporter it makes sense for them not to understand the difference between overhead and diesel power. As far as they can see it looks and sounds like a truck. Power comes from the overheads as electricity and then a diesel gets switched in to power the...
  2. TwistedMentat

    Daily Mail on the attack over driver wages

    Ah yes, be jealous of those with better working conditions that were negotiated over time. But this doesn't align with the desires of the Daily Mail owners to return to the days of the landed gentry on top and others merely surviving.
  3. TwistedMentat

    No Heat-Related TSRs?

    Huge props to the crews and engineers over the previous years if the TSRs are less than one would've expected due to the huge heat right now.
  4. TwistedMentat

    GWR Class 800

    From discussions here it sounds like the Class 800 acceleration rate is capped in software. So it may feel slower but with all the grunt needed to get to 140MPH that max acceleration rate is probably held for much longer. So you get one steady acceleration instead of a peak of quick and then...
  5. TwistedMentat

    ScotRail HST Introduction - Updates & Discussion

    So what you're saying it's probably one of us on the forum to blame? ;)
  6. TwistedMentat

    GWR Class 800

    My understanding is the GWR has to pay for the trains provided. Staffing them is up to GWR. That means if they only have enough staff for one 5 car part of the 10 car set then they still have to pay for the full 10 cars. It should also mean that if a train is provided for a service but that...
  7. TwistedMentat

    Air Con trouble

    The handful of times I've been on an 800 recently have been fine. Even with the train at the point of standing room only and the vestibules crushed I felt perfectly fine.
  8. TwistedMentat

    Forth Bridge: how would you electrify it?

    Depending on the cost of other options it seems plausible to me it would still be the cheaper option. And if you limit the power draw for acceleration as the top speed of the bridge is only 40mph according to upthread, then the battery capacity can be pretty limited. Couple it with some slow...
  9. TwistedMentat

    Forth Bridge: how would you electrify it?

    More different stuff to maintain if nothing else. Honestly I think a smallish battery pack would be ideal here. Tie it into a system that automatically towers and raises the pantograph and boom. You've got a relatively simple system that also provides benefits outside of the one application...
  10. TwistedMentat

    Forth Bridge: how would you electrify it?

    With the improvement of battery technology would it be a crazy idea to add a smallish battery to a trainset and use that for such a gapped point? Couple with some sort of auto lowering and raising system for the pantograph like you have on the 800s. A battery could also help be a limp to next...
  11. TwistedMentat

    GWR Class 800

    ETCS should also help squeeze even more trains on. The speed will be a nice to have and help stuff like recovery. The bigger change will be upping the average speed. This has been already noted with the improved acceleration under wires allowing the 800s to essentially meet the original HST...
  12. TwistedMentat

    Great Western Electrification Progress

    I would have expected more than 2 years before any real corrosion set in. Is it oddly damp in the Severn tunnel compared to other tunnels? It is an old underwater tunnel after all. Not like a modern bored tunnel with massive concrete segments. Seems totally plausible that there is something...
  13. TwistedMentat

    GWR Class 800

    Cost and time most likely. And the first section would be Didcot to Paddington I imagine.
  14. TwistedMentat

    GWR Class 800

    The lack of speed is hardly the fault of the Class 800. UK regulations don't allow it to go any faster without in cab signalling. And while it's all equipped for that, it still needs to wait for the trackside work to be complete. Whenever that happens to be.
  15. TwistedMentat

    GWR Class 800

    Good enough is good enough. Perfect is a nice to have. Go out and ask the regular travelling public if they've even noticed. I've been on the 800 several times now with the missus and she's made no comment about noise or ride or anything else. As far as she's concerned it's a nice new shiny...
  16. TwistedMentat

    Great Western Electrification Progress

    The reasons seem fair and relatively easy to fix. Basically look at putting it somewhere better and make it a bit prettier godammit.
  17. TwistedMentat

    GWR Class 800

    It should be pretty doable in the shop, but you aren't going to be doing it at the platform. Anyways, I agree with the idea of creating a bunch of mid sized 7 car units is terribly short sighted. Too big for off peak, too small for peak, and you can't double up without really running into...
  18. TwistedMentat

    What if the DfT gave £1 billion a year for electrification?

    Ideally that's what would be happening. A known amount each year that you can then plan investments around. And if one bit takes a bit longer than expected *cough* GWML *cough* then the later plans are simply bumped back but are still the next to be done.
  19. TwistedMentat

    Its a bad day for overheads (14/06)

    Once the electrification is complete it will be very interesting to see how the overhead handles inclement weather. Given it's built like a brick ****house I'm expecting it to hold up better.
  20. TwistedMentat

    Victorian train lengths

    It does astound me thinking of such trains being worked. However it does look like trains have gone the same way as planes. Passengers tend to prefer frequency above most everything. So more regular smaller trains allows you to better match your journeys with your timetable. Just like we've...

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