The rail on the inner radius of the curve is set lower than the outer rail enabling the train to tilt explaining why trains seem to rise above each other because you will be facing the side of the opposite train that is either tilting down or up giving the impression of an elevation difference in track when it's just opposing levels on the individual rail although as mentioned above Westminster could be amplifying this effect with a height change. The southern end of the Met line platforms 2 and 3 take this to the extreme with a 15mph speed limit giving a severe tilt and subsequently giving a significant height difference when observing a train on the opposite track.
I don't know whether I missed something, but which Met line platforms 2 and 3 are being referred to?
The fact that the wheels are mounted fixed on axles will cause wear, no matter what lateral forces occur. If a train traverses a 90 degree bend, the outer wheels will travel about 8 feet further than the inner wheel (assuming standard gauge) so there must be some slip. Obviously the effect will be greater the smaller the radius of the bend.
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Thanks for the interesting, full explanation. No doubt the points here and elsewhere are regularly inspected for signs of any potential "spread."
If you have the opportunity to watch the Channel 5 program on Paddington Station, you will see an HST derailing in platform 2 due to track spread. It took best part of 2 days to repair. In this case it was due to the rotting of the longitudinal wooden baulks to which the rails had been fixed.
It went through ECS this time, but that's not to say it couldn't run in passenger service. It would need a loco on both ends, but that's simple (assuming there are locos rated for passenger operation in the tunnel, as all normal passenger movements are EMUs). Whether the doors line up with the tunnel evacuation doors is probably the biggest issue, but I have no idea whether they do or not.
I think the biggest issue would be speed. Not only is the stock old (and so generally not as good for high speed, but this is just conjecture), but the only locos that could haul it, in the form of class 92s, are 20kph slower (160kph vs 140kph) than the Shuttle services - which would mean that timetabling it in between all of the shuttle services, as well as the eurostars would be difficult, the Chunnel is already quite a busy railway.
There are already goods services through the tunnel, including the one from China. What is used to haul them?
Someone from the Rail Delivery Group was interviewed about 06.20 this morning on Radio 4's Today Programme. I was half asleep at the time but I think they admitted there was no new money in this. It sounded a total PR stunt. Not helped by the way the RDG spokesman kept using the same phrases his media trainer had clearly taught him. My favourite moment was when the presenter asked is it true that the foreign railway operators who own so many British franchises are charging high fares in the UK to subsidise passengers back home.
If this is true, it seems odd that this is allowed when a bus company cannot use profits from a successful route to subsidise other unprofitable services.
Filming "on location" took place all over London, depending on what was needed to suit the plot. Locations near the studios would be preferred (hence in the later series scenes involving railway lines tended to be in third rail territory despite the supposed East End setting) but I've spotted scenes filmed some distance from Merton, such as in Kingston town centre, on Holborn Viaduct, and on the Victoria Embankment.
(Similarly, I was watching a drama recently that was supposedly set in Manchester, but in one scene a London bus was clearly seen)
Not forgetting 'Prime Suspect' supposedly based in London, was filmed in Manchester. The giveaway? A mint RM complete with polished nut guard rings, an offside routenumber display. I could never see the stock number, but I'll bet it was RM1414 borrowed from the GMT Museum.
Not forgetting THE classic faux pas, 'Foyle's War' the series which was after the end of the war where he's chasing spies, filmed in Dublin for the period architecture, the set dressed with a fully badged up RM on route 19!
Holborncentral, think they moved locations about series 3 or 4, and again in the 90s. That was the Merton location. Sun Hill became much less East-end!
They moved in 1987 from Wapping to Kensington, where series 3-5 were filmed, and then in 1989 to Merton where the remaining 21 seasons were filmed. The first move, from Wapping, was forced on them because of altercations with the News International strikers mistaking the actors in costume (i.e police uniform) for the real thing.
So how do the episodes filmed in Du Cane Road, Wormholt Road and Steventon Road in Shepherd's Bush fit in?
Just back from a trip to Rome. The system is very small with only 2 lines (or maybe 3, but line C doesn't appear on many maps). Trains are walk-through 6 car trains, but I did see 2 older trains in service. One very noticable thing was the presence of 2 soldiers armed with machine guns in just about every station, not just the major tourist destinations.
For those interested in older transport, the line from Laziali to Giardinetti (although currently cut back to Centocelle) on what appears to be Metre gauge is an interesting experience, but travels through much less picturesque areas.
For those interested in trams, most of them are older, and are horribly delayed at certain times of the day at Piazza di Porta Maggiore. At this point several lines meet in a circualtory system inside a roundabout. When the traffic snarls up no-one will give way, not even for the trams.
One episode of The Bill was filmed in my old school, St Clement Danes in Du Cane Road, East Acton (or was it Shepherd's Bush). It was most peculiar watching them in all of the corridors and playgrounds that I was so familiar with. They also filmed an episode in Wormholt Road and Steventon Road, also near my school, near where I lived until I was 7, and where many of my relatived used to live. I would guess that the program (trying not to call it a show) was filmed all over London.
I was in Stuttgart in the summer, and, although I didn't plan it, I did have a couple of short trips on the U-bahn. It seems that it was converted from a metre gauge to standard gauge in the mid 80s. The central part is dual gauged, but it doesn't appear to be everywhere. I assume that some of the narrow gauge track is used for the heritage service. The trains are yellow 2 car units, often coupled together to form 4 car trains. I didn't really have a good chance to look, but ot appeared that the cabs are separated from the main part of the carriage by a full with glass window, giving an excellent view of the line in front (or indeed, to the rear).
EDIT. I forgot to mention. As the train approaches a station you can press a button to request that the adjacent door opens. When arriving at the platform the door THEN OPENS WHEN THE TRAIN IS STILL MOVING. (referring to people who consider this to be dangerous on LU).
Last Edit: Sept 21, 2017 11:58:58 GMT by countryman