|
Post by br7mt on May 12, 2012 18:12:15 GMT
|
|
|
Post by br7mt on Feb 26, 2012 16:18:52 GMT
I understand 30587 was used simply because it was available.
Regards,
Dan
|
|
|
Post by br7mt on Feb 26, 2012 16:15:47 GMT
More than likely the TRV picked up a few faults and the work was planned in.
Regards,
Dan
|
|
|
Post by br7mt on Feb 24, 2012 20:14:50 GMT
Probably best to wait until after the job has been completed. That way an accurate story can be told rather than speculation Regards, Dan
|
|
|
Post by br7mt on Feb 22, 2012 22:47:22 GMT
It's more than a gauging run.
Regards,
Dan
|
|
|
Post by br7mt on Feb 19, 2012 21:56:43 GMT
Although, depending on when (if) the Class 20's are finally withdrawn, it will eventually be used as part of ERTMS.
Regards,
Dan
|
|
|
Post by br7mt on Feb 12, 2012 16:56:35 GMT
BTR - Ballasted Track Replacement.
Regards,
Dan
|
|
|
Post by br7mt on Jan 22, 2012 22:26:03 GMT
Yep Regards, Dan
|
|
|
Post by br7mt on Jan 22, 2012 20:47:57 GMT
Is it available in electronic format for download? Sample articles, and membership details, are on line at: lurs.org.uk/Oooo, I'm on the cover of the January 2012 issue! Regards, Dan
|
|
|
Post by br7mt on Dec 29, 2011 21:42:44 GMT
Well there is plenty of kit from the Victoria line to resignal it with ;D Regards, Dan
|
|
|
Post by br7mt on Dec 29, 2011 21:40:28 GMT
Pass then. You should be able to feel the train accelerate faster than before. Out of interest were you sitting in a Motor or Trailer car?
The on / off traction characteristic is very much a feature of SelTrac, as I don't think it has a coast mode. You get a similar effect on the DLR. Basically it is the ATO system trying to match the speed profile required.
Regards,
Dan
|
|
|
Post by br7mt on Dec 29, 2011 19:47:53 GMT
All Jubilee line trains have enhanced traction software. As I have already explained the more lightly laden the train is, the more chance you will have of experiencing the maximum acceleration rate.
Regards,
Dan
|
|
|
Post by br7mt on Dec 26, 2011 17:39:50 GMT
Honest answer: don't know.
Regards,
Dan
|
|
|
Post by br7mt on Dec 26, 2011 11:35:18 GMT
Not pointless at all, it means the timetable can be kept to and passengers got to their destinations as quickly as possible. In fact it is probably more important to use ATO so that the smaller number of available trains can do as many journeys as possible.
Regards,
Dan
|
|
|
Post by br7mt on Dec 23, 2011 14:41:48 GMT
ERTMS Level 3 is said to use a very similar set of signalling principles to SelTrac S40 and probably all the other moving block ATP and ATO systems as well (Bombardier Cityflo, Invensys WestRace etc). Once you've got ATP implemented it isn't that big a technological leap to implement ATO. The principle challenge is to get the ATO control algorithm right and most of that is achieved anyway through the development work for ATP (brake rates and gradients for example).
Knowing how robust the safety case has to be before ATO is permitted, then yes, I would quite happily ride in an ATO train at 125mph or even faster.
Whether the cost / benefit ratio favours ATO though is a different matter entirely.
Regards,
Dan
|
|
|
Post by br7mt on Dec 20, 2011 20:45:06 GMT
The tender has been won by Bombardier. I suspect though that it is testing of S7 enabling work resignalling.
Regards,
Dan
|
|
|
Post by br7mt on Dec 14, 2011 22:39:55 GMT
If both units have the 'Do Not Scrap' signs in them I suspect they are destined for Eastleigh or are earmarked for for other uses (Acton Works shunter or ERU training aid). We originally had 3060 earmarked for the AIT Project, but luckily we got 3079 instead as the wheels on 3060 are far too small to support anything other brake testing.
Looks like 3060 is for storage and 3061 for ERU, but of course that may change.
EDIT - surprised no one mentioned the Battery Locos that were visible at Northumberland Park last weekend. They've been there for weeks.
Regards,
Dan
|
|
|
Post by br7mt on Dec 13, 2011 21:59:50 GMT
Is it the A-Stock unit earmarked for the emergency training role?
Regards,
Dan
|
|
|
Post by br7mt on Dec 4, 2011 16:45:05 GMT
I think it's to monitor movement of the viaduct during the adjacent CrossRail works.
Regards,
Dan
|
|
|
Post by br7mt on Nov 29, 2011 22:21:55 GMT
I get the impression a lot of changes won't be immediately visible as they are part of the links to the new Crossrail bit of Tottenham Court Road station. Clearly the finishes have been temporarily applied so that the Northern line platforms are in a fit state for use over th Christmas period.
Regards,
Dan
|
|
|
Post by br7mt on Nov 29, 2011 22:15:01 GMT
We're getting there Regards, Dan
|
|
|
Post by br7mt on Nov 2, 2011 20:59:57 GMT
Would you believe that the AIT and TRT ran side by side from Acton Town up the bank just after 11.20, with the AIT taking precidence over the junction! I'm convinced someone in Picc Line Control worked that out spot on! Gave the ETOs a wave as they passed us then we got the route out of Acton sidings. We took the fast line to Ealing Common while the TRT ran straight on up the w/bound slow towards Northfields (now stabled behind the Cravens on 15 Rd). It was pretty good watching the action from the second mans seat in 3213 (facing central London). Pleased to report that we carried out the first main line track recording run today with the AIT. Regards, Dan
|
|
|
Post by br7mt on Nov 1, 2011 20:50:22 GMT
Currently 4-car config in existing blue / white scheme, albeit a bit grubby. Reform as a 6-car now scheduled for late November, location and method just needs the final nod from LU. Sorry, no times available publically as per Rule 7.1. However the route is Northfields - Acton Town - Uxbridge - Acton Town - Uxbridge - Acton Town - Northfields and we're running between the peaks. Photo at Uxbridge: www.rmweb.co.uk/community/index.php?/gallery/image/33072-ait-at-uxbridge-sidings/Regards, Dan
|
|
|
Post by br7mt on Nov 1, 2011 16:54:44 GMT
Yeah, sorry to all those who were out yesterday to see it, didn't manage to get the paperwork ready in time. Plan is to run to run again tomorrow, all being well. Will put up a photo of the train in Uxbridge sidings when I get home.
Regards,
Dan
|
|
|
Post by br7mt on Oct 26, 2011 20:50:37 GMT
Like any computer based ATP / ATO system it will share the base set of logic in terms of speed profile etc, but the implementation is very different. Cityflo uses CBTC i.e. is radio based, where SelTrac uses TBTC i.e. inductance loops for train positioning. I'm not sure if the SelTrac family of systems has a line of sight detector, anyway I suspect the Jubilee and Northern won't change now until the rolling stock needs replacing.
Regards,
Dan
|
|
|
Post by br7mt on Oct 26, 2011 20:16:59 GMT
The Bombardier Cityflo system has line of sight detectors mounted on the front of the train, so you have to question whether drivers need to sit in the cab any more especially under ATO control.
Regards,
Dan
|
|
|
Post by br7mt on Oct 25, 2011 21:24:10 GMT
We have a few other tricks up our sleeve to take the pain out of the NL upgrade. For example - the Highgate Test Facility is being significantly extended in length so that more meaningful testing can be done on it. Late start up is also commencing on the High Barnet branch every Sunday to give a bit more time in Engineering Hours.
You are right though that TBTC passenger service is a long way off yet.
Regards,
Dan
|
|
|
Post by br7mt on Oct 25, 2011 21:18:13 GMT
It's not the trains as far as I know - we haven't done anything to them!
Regards,
Dan
|
|
|
Post by br7mt on Oct 20, 2011 18:31:02 GMT
That will be 3067, it will be used by BCV to train cleaning staff.
Regards,
Dan
|
|
|
Post by br7mt on Oct 6, 2011 19:18:45 GMT
Apparently a feasibility study is being done to see whether 2-3 additional trains can be formed for the Bakerloo Line, which might be why so many more are now being saved.
In other news we are hoping to move 3079 to Northfields at some point in the next few weeks.
Regards,
Dan
|
|