Chris M
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Post by Chris M on May 17, 2007 21:02:49 GMT
I vaugely remember reading somewhere that the Victoria line tunnels were built larger than the other tube tunnels to allow more space around the trains that would be the same size as other tube lines - the reason was either improved aerodynamics/airflow or quieter running (or possibly both). Did these benefits not happen as expected or did the benefits of larger trains simply outweigh them?
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Post by cetacean on May 17, 2007 21:28:48 GMT
Any chance of some details on in what way they're bigger? There was a feature in the London Paper a couple of days ago that said 11 feet longer and 4 inches higher ceiling. Is that accurate, and are they wider too?
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Deleted
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Post by Deleted on May 17, 2007 21:43:13 GMT
It's purely to ensure the train stops quickly without any hesitation when in station limits. It also allows the driver to override the brakes before the train comes to a stand, if they are quick enough, which results in less delay in reaching the next stop. Indeed so, really i meant why is it necessary to depress it continually ? Once the driver has decided to continue (where it's up to the driver to decide) I can see no merit in there being an awkward need to hold down a BOD - or a thumb switch. The driver aught really just need to push a button to release the brakes and continue as normal to next station ? (But I proffered the view in case someone could think of a good reason why that wouldn't work ;D ) Interesting point about the BOD needing restroaking Colin ..I never knew that ! As for the Vic line tunnels, don't get the wrong idea ...there isn't much extra room.... above the train the clearance is only a few inches - you can certainly open the front "M" door and touch the tunnel roof in places. And clearance at the sides is still pretty tight ... I'd assume if the 09 stock is larger than a 67 it's not by much, but every little helps !!
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Oracle
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Post by Oracle on May 17, 2007 22:33:12 GMT
Let's just hope that the trains don't foul anywhere in due course.
Also that the link to the Picc remains for a reasonable period post-intro "just in case".
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Chris M
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Post by Chris M on May 18, 2007 0:08:04 GMT
[ Indeed so, really i meant why is it necessary to depress it continually ? Once the driver has decided to continue (where it's up to the driver to decide) I can see no merit in there being an awkward need to hold down a BOD - or a thumb switch. The driver aught really just need to push a button to release the brakes and continue as normal to next station ? (But I proffered the view in case someone could think of a good reason why that wouldn't work ;D ) As a lay person who has never even had a cab ride, my thoughts on this are probably going to be inaccurate; but I'd have thought that just pushing a button/turning a knob or something like that would be fine. The only things would be there should be some visual indication that the override has been activated, and it should require some positive action to start the train moving again once the incident has been dealt with - this just to ensure the driver can't forget a handle has been pulled (not that it is likely, but a failsafe is good). As to how to implement the second of these, perhaps a button not in reach of the normal driving position should need to be pressed to move the train again once the passenger doors have been opened. This allows the train to stop at a signal between the incident point and the next station without inconveniencing the driver, but something needs to be reset once the incident has been dealt with. As it will be dealt with at a station, opening the passenger doors would seem to be a reliable indication that the train is at the station, especially as in manual mode the driver may not be as spot on the CDSE point as they otherwise would be.
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Post by setttt on May 18, 2007 9:17:17 GMT
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Oracle
In memoriam
RIP 2012
Writing is such sweet sorrow: like heck it is!
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Post by Oracle on May 18, 2007 9:38:36 GMT
I have been itching to say for ages now that these new trains remind me of the EE/SR 1940 Waterloo & City stock, with their small windows ...mo need for anything bigger as you need to see whether you are in the station or not! No daylight (other than for staff trains) on the Vic, so why have big windows? However "padded cell" still comes to mind! www.semg.org.uk/gallery/class487.htmlJust at the moment I NEED a padded cell!
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Post by tubeprune on May 18, 2007 14:01:35 GMT
Excellent pictures, Seth. I'm really interested to see the coupling between the two UNDMs and other cars. If you get the chance.......?
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Post by setttt on May 18, 2007 14:22:53 GMT
Excellent pictures, Seth. I'm really interested to see the coupling between the two UNDMs and other cars. If you get the chance.......? Thanks tubeprune. If the opportunity arises I'll try and get some shots of the couplings, but I'm not sure when that might be. I'll see what I can do.
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Post by onetrain on May 18, 2007 17:07:37 GMT
can i ask how many people paid £20 to see the new 2009 stock
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Post by Deleted on May 18, 2007 18:13:42 GMT
20£ - i give you 100£ when you show me the new Train! ;-)
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Post by onetrain on May 18, 2007 18:17:51 GMT
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Deleted
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Post by Deleted on May 18, 2007 18:22:43 GMT
about the sound of the 2009TS - is this the same with the 1996TS?
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Deleted
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Post by Deleted on May 18, 2007 18:33:16 GMT
and about the Numbering of the Carriages - i have hear the DM"A" is 70001?
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prjb
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Post by prjb on May 18, 2007 21:46:10 GMT
Train 1 is made up of: 11001-12001-13001-14001-14002-13002-12002-11002.
Just as an update for everyone, Train 2 is currently split into two four car units with one unit running on the test track in Derby and the other in the lab.
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prjb
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Post by prjb on May 18, 2007 21:47:05 GMT
Also that the link to the Picc remains for a reasonable period post-intro "just in case". The link will not be removed and will remain for engineers trains which will still need to access the line from time to time.
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Chris M
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Post by Chris M on May 18, 2007 22:24:48 GMT
Looking at those pictures, the thing that I immediately notice is the fire extinguishier in the saloon. I hope this will not remain in that position when running in passenger service, as it seems ideally placed to both get in the way and be a vandal magnet.
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prjb
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Post by prjb on May 18, 2007 23:07:03 GMT
No, the extinguishers are there for the engineering testing only. There will be no customer accessible extinguishers when the 09 enters service.
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Colin
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Post by Colin on May 19, 2007 1:36:58 GMT
really i meant why is it necessary to depress it continually ? Once the driver has decided to continue (where it's up to the driver to decide) I can see no merit in there being an awkward need to hold down a BOD - or a thumb switch. The driver aught really just need to push a button to release the brakes and continue as normal to next station ? (But I proffered the view in case someone could think of a good reason why that wouldn't work ;D ) Interesting point about the BOD needing restroaking Colin ..I never knew that ! I think that last line kinda answers your question there - it has to held in because of the re-stroke!! Train 1 is made up of: 11001-12001-13001-14001-14002-13002-12002-11002. Now that really does look like a bunch of Connect handheld numbers.....................
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Post by johnb on May 21, 2007 10:15:22 GMT
about the sound of the 2009TS - is this the same with the 1996TS? No. The 1996 stock makes the "gear change" noise, like class 365 EMUs, because the traction control system uses a (now outdated) GTO thyristor. The 2009 stock, like the 1995 stock (and the Electrostars, Desiros etc) uses an IGBT thyristor which sounds much smoother. en.wikipedia.org/wiki/London_Underground_1996_Stock#Traction_control has more than you could possibly want to know on the difference between the different sorts of electronic traction control systems. John B
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Post by 100andthirty on May 21, 2007 20:11:55 GMT
Dear all
note from professional pedant!!
IGBT - Insulated Gate Bipolar Transistor - not Thyristor
regards
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Post by johnb on May 22, 2007 11:24:47 GMT
Dear all note from professional pedant!! IGBT - Insulated Gate Bipolar Transistor - not Thyristor regards Bother, I knew that as well (I wrote the Wiki entry...) John B
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towerman
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Post by towerman on May 22, 2007 18:55:16 GMT
Does PRJB know why 67TS trains are making regular trips to Acton Works?
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Deleted
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Post by Deleted on May 23, 2007 13:12:07 GMT
Perhaps they are aging and need attention?
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prjb
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Post by prjb on May 23, 2007 20:42:11 GMT
I don't, but I will ask! Off the top of my head, maybe something to do with the NADB?
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Post by Deleted on May 24, 2007 0:33:09 GMT
I don't, but I will ask! Off the top of my head, maybe something to do with the NADB? According to an issue of Underground News, at least one unit is a testbed for the 2009TS traction package - perhaps the rest are being used for NADB testing.
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prjb
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Post by prjb on May 24, 2007 17:48:00 GMT
There is a unit fitted out with WRSL kit but not traction packages AFAIK.
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Post by tubeprune on Jun 2, 2007 8:24:36 GMT
First 2009 TS is due out from NPD this evening SS - W'stow. Ist time out of NPD.
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Deleted
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Post by Deleted on Jun 2, 2007 14:33:47 GMT
I presume this will be running manual operation?
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Post by 100andthirty on Jun 2, 2007 17:55:37 GMT
You are right - manual operation
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