SwissRailPassion Posted August 15, 2016 Share Posted August 15, 2016 The question is.................... How many DMUs are in this photo? 20150628130544_04.jpg One! Link to post Share on other sites More sharing options...
RMweb Gold russ p Posted August 15, 2016 RMweb Gold Share Posted August 15, 2016 It depends on whether the prototype HST is numbered 252001 or in the 41xxx series for power cars Link to post Share on other sites More sharing options...
br2975 Posted August 15, 2016 Share Posted August 15, 2016 The type of unit, set number and allocation are readily apparent. . The location may not be ? . But someone out there knows...... Brian R 9 Link to post Share on other sites More sharing options...
RMweb Gold 96701 Posted August 15, 2016 RMweb Gold Share Posted August 15, 2016 (edited) It depends on whether the prototype HST is numbered 252001 or in the 41xxx series for power cars It looks like it is 252001 leading on this photo which was taken north of Preston whilst the first one was taken south of Preston at Farington Junction. Does this make a valid snap for the DMU thread? If not, I'm happy to delete it. Anyway, it isn't north of Preston, It is south of the station. I really need to take more water with it! Edited August 17, 2016 by 96701 11 Link to post Share on other sites More sharing options...
Rivercider Posted August 15, 2016 Share Posted August 15, 2016 Now, here's a thing Kevin. I am thinking that one of our dates must be wrong, because I have a photo of W55033 on a Severn Beach service at Temple Meads dated 4/2/81 (the day before yours) and as you can see it has been re-painted in blue/grey livery. Hi Jonny, you are correct, I have a filing error in my notes. The shot of W55033 at Severn Beach was taken 11/2/80, and some time between then and 18/6/80 the collision at Severn Beach occurred. I have amended my earlier post and added a shot of 55033 when stopped at Marsh Junction cheers 2 Link to post Share on other sites More sharing options...
RMweb Gold russ p Posted August 15, 2016 RMweb Gold Share Posted August 15, 2016 Thats a superb photo. With those numbers that's two D(E)MU vehicles in a train that has loco hauled stock plus an EMU vehicle. I take it this was in top and tail mode as I doubt the train was through wired for multiple unit operation of the two power cars Link to post Share on other sites More sharing options...
lapford34102 Posted August 15, 2016 Share Posted August 15, 2016 I've put this one here some time ago but it is a good candidate for the "prototype for everything" dept. Stu 18 Link to post Share on other sites More sharing options...
RMweb Premium keefer Posted August 15, 2016 RMweb Premium Share Posted August 15, 2016 (edited) Thats a superb photo. With those numbers that's two D(E)MU vehicles in a train that has loco hauled stock plus an EMU vehicle. I take it this was in top and tail mode as I doubt the train was through wired for multiple unit operation of the two power cars But it's an RTC train with the red/blue coaches being Lab/test cars - these were usually fitted with all sorts of jumper cables to allow the vehicles to work together as required. Failing all else, control cables could be 'hardwired' through the train.I presume the power cars would work together (as normal) to power the train between Derby and the test site - then during the test too even if the APT p/c was working. Edited August 15, 2016 by keefer Link to post Share on other sites More sharing options...
RMweb Gold 96701 Posted August 15, 2016 RMweb Gold Share Posted August 15, 2016 (edited) Thats a superb photo. With those numbers that's two D(E)MU vehicles in a train that has loco hauled stock plus an EMU vehicle. I take it this was in top and tail mode as I doubt the train was through wired for multiple unit operation of the two power cars I wouldn't put Derby Research past connecting the two HSDT power cars together, otherwise I think they would struggle to get the APT power car up to the required speed for testing, assuming they were trying to test the running gear of the APT power car. Whoops. Cross posted with Keefer........... Edited August 15, 2016 by 96701 Link to post Share on other sites More sharing options...
RMweb Gold russ p Posted August 15, 2016 RMweb Gold Share Posted August 15, 2016 It may have had MU most pictures you see of APT power cars being tested with HSTs have only one power car so I've possibly wrongly assumed that the wiring from the APT was connected to the HST for running the APT. As I don't know what this consisted of it may be that both HST cars could power up together Link to post Share on other sites More sharing options...
bingley hall Posted August 16, 2016 Share Posted August 16, 2016 A Buxton 108 near Dove Holes in March 1989 Class 116 on Matlock-Derby service at Ambergate - 14 July 1983 Class 101 at Barmouth - 13 August 1983 18 Link to post Share on other sites More sharing options...
johnw1 Posted August 16, 2016 Share Posted August 16, 2016 It may have had MU most pictures you see of APT power cars being tested with HSTs have only one power car so I've possibly wrongly assumed that the wiring from the APT was connected to the HST for running the APT. As I don't know what this consisted of it may be that both HST cars could power up together Only one power car here https://www.flickr.com/photos/pics-by-john/7086881001/ Link to post Share on other sites More sharing options...
leopardml2341 Posted August 16, 2016 Share Posted August 16, 2016 Surely the key is in the name 'multiple unit' i.e. the ability to work in normal service in multiple with another similar, in control circuit terms, vehicle or vehicles. The prototype HST couldn't, because there was no other like it. The protoype APT couldn't; ditto. Production HST can't because no provision is made other than for rescue purposes. Pendolino trains can't; ditto. Having lit blue touch paper....... Link to post Share on other sites More sharing options...
RMweb Gold The Stationmaster Posted August 16, 2016 RMweb Gold Share Posted August 16, 2016 The type of unit, set number and allocation are readily apparent. . The location may not be ? . But someone out there knows...... Brian R I have a very strong suspicion that's a lot nearer to where you're sitting than it is to where I'm sitting. Link to post Share on other sites More sharing options...
Rivercider Posted August 16, 2016 Share Posted August 16, 2016 (edited) At Morganstown north of Radyr. Class 116 set C307 passes under the M4 on a service from Cardiff heading up the valleys, (this photo was taken from a public foot crossing) 11/8/82 (edit for date) cheers Edited August 16, 2016 by Rivercider 8 Link to post Share on other sites More sharing options...
45125 Posted August 16, 2016 Share Posted August 16, 2016 Surely the key is in the name 'multiple unit' i.e. the ability to work in normal service in multiple with another similar, in control circuit terms, vehicle or vehicles. The prototype HST couldn't, because there was no other like it. The protoype APT couldn't; ditto. Production HST can't because no provision is made other than for rescue purposes. Pendolino trains can't; ditto. Having lit blue touch paper....... HST could be coupled in multi, but the jumper sockets were removed late 80s. It wasn't unknown for two pairs of power cars to go on test from Derby in multi. Link to post Share on other sites More sharing options...
RMweb Gold russ p Posted August 16, 2016 RMweb Gold Share Posted August 16, 2016 Did HSTs have jumper sockets behind the front drawbar cover? Link to post Share on other sites More sharing options...
leopardml2341 Posted August 16, 2016 Share Posted August 16, 2016 Surely the key is in the name 'multiple unit' i.e. the ability to work in normal service in multiple with another similar, in control circuit terms, vehicle or vehicles. The prototype HST couldn't, because there was no other like it. The protoype APT couldn't; ditto. Production HST can't because no provision is made other than for rescue purposes. Pendolino trains can't; ditto. Having lit blue touch paper....... HST could be coupled in multi, but the jumper sockets were removed late 80s. It wasn't unknown for two pairs of power cars to go on test from Derby in multi. Agreed, but...... See the first line of my post where I mention '.....in normal service......' Link to post Share on other sites More sharing options...
flyingsignalman Posted August 16, 2016 Share Posted August 16, 2016 Some views of Chester Depot taken from the ex-CLC line in the summer of 1981. 19 Link to post Share on other sites More sharing options...
RMweb Premium Ian Smeeton Posted August 16, 2016 RMweb Premium Share Posted August 16, 2016 No jumpers or multiple working here. A very pleasant couple of hours round Scunthorpe with a very informative commentary. Regards Ian 13 Link to post Share on other sites More sharing options...
flyingsignalman Posted August 16, 2016 Share Posted August 16, 2016 (edited) The half-hourly Chester to Helsby via Hooton service was introduced when the line from Hooton to Rock Ferry was electrified. On one day in 1993 (sorry, I can't be more specific) I photographed the 3 units used on the service; 2 were class 101s and the third was a class 156. The class 101s are shown leaving the bay line at Hooton and the 156 (included for completeness) is shown crossing over to enter the bay. Edited August 16, 2016 by flyingsignalman 11 Link to post Share on other sites More sharing options...
br2975 Posted August 16, 2016 Share Posted August 16, 2016 At Morganstown north of Radyr. scan0017.jpg Class 116 set C307 passes under the M4 on a service from Cardiff heading up the valleys, (this photo was taken from a public foot crossing) 11/8/82 (edit for date) cheers Warning - "....know all mode activated....." Gelynis Farm "......know all mode de-activated....." Gold Star Kev, for visiting a site unknown to many local enthusiasts. . Brian R 1 Link to post Share on other sites More sharing options...
br2975 Posted August 16, 2016 Share Posted August 16, 2016 If your Limby Class 121 looked like this, at least one rivet counter would pull you up. . Canton 1985 . Brian R . N.B. This was the last roll ever exposed using this camera, which was replaced soon after ! 15 Link to post Share on other sites More sharing options...
flyingsignalman Posted August 16, 2016 Share Posted August 16, 2016 (edited) Three more..... (of which, I think, a couple have already appeared somewhere on this forum) Manchester Victoria, taken Ca October 1976 from the 2nd floor of the offices, outside the signalling school. On the Down Fast between the former Mold Jcn Nr4 and Sandycroft, 1979. Changing tokens at Portmadoc with a down passenger, 13/7/1978. Edited August 16, 2016 by flyingsignalman 13 Link to post Share on other sites More sharing options...
Derekstuart Posted August 16, 2016 Share Posted August 16, 2016 Hello Brian Sorry to be denser than usual, but I don't understand your comment about the Lima 121, rivet counters and your photo. Obviously I'm missing something... Link to post Share on other sites More sharing options...
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