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I think you may not have fully understood the message of the earlier posts. The Thameslink + Zone 1-6 ticket is not recognised by GTR as being valid on the 08.07 train from Three Bridges (this is a Southern service from the Arun valley/Horsham). To avoid challenges to validity you would need...

Although there were problems with the mercury arc rectifiers, I understand the reason for temporary withdrawal of the 303's was a series of spectacular transformer failures. Although the rectifiers were involved in setting up the electrical conditions that damaged the transformers, the...

Shipping transformers long distances by road is still frowned upon. The Department of Transport partly funded construction of the Terra Marique, a direct descendent of the 'Fishers' with Ro-Ro capability, which is still used to move large loads around the UK. See...

The CEGB operated two roll-on roll-off heavy load vessels, the Aberthaw Fisher and the Kingsnorth Fisher, which were typically used for this type of shipment. To quote from https://www.rhoosehistory.org.uk/gallery_7_industry.html (which has a number of photos of the Aberthaw Fisher): The...

I would suggest that the destination was Abham 400/132 kV substation (near Buckfastleigh). This has two large supergrid transformers and was built around 1972.

The Horsham depot was in the town centre on the East side of Denne Road, opposite Normandy. It can be clearly seen on one of the NLS maps of the area (https://maps.nls.uk/view/103192714) at TQ 172 302. The site was redeveloped for housing circa 1990.

A lot of coal, yes, but nothing compared with the big power stations! A CEGB 2000MW coal fired station, although much more efficient than the mill engines, would still need to produce around 6000MW (6,000,000 kW) of thermal power to deliver 2000MW of electrical power to the Grid. That's 2000...

As Gloster has suggested there are many variables and it is only possible to make an 'order of magnitude' estimate. If we start with the 450hp engine, this is equivalent to 336kW of mechanical power, so it would seem reasonable to assume that it operated with an average output of 250-300kW. To...

Found a photo of GWR 1151 on-street in Swansea (1959), complete with bell. https://www.flickr.com/photos/taffytank/5957134943

'Pylon' may be the preferred term in everyday language, but as you suggest the technically correct term is 'tower'. Common industry technical standards for much of the world are established by the International Electrotechnical Commission (generally abbreviated to IEC), who publish the...

My mistake, I failed to spot the switch in topic from the WLL to the NDL.

I disagree. The description exactly matches the stock used for the 'Kenny Belle' (Clapham - Olympia) shuttle at various times over the years. A Google search throws up various references to this odd peak-hour only service, but there is a good 'London Reconnections' article at...

As an ex-CEGB engineer, I couldn't resist checking the numbers on this. 'Hard' coal is widely reported as having an energy density of 24 Million Joules per kg. This sounds a lot, but 1 Joule of energy will only deliver 1 Watt of power for 1 second, so you need 1000 Joules to deliver 1kW for 1...

It's a Belmond Pullman charter organised by a local charity; see https://www.stch.org.uk/support-us/events-calendar/belmond-british-pullman/ for details. The passengers will be visiting Hampton Court, not Surbiton!

I haven't seen these trains (Southern terminating at Shepherds Bush) recently but a quick look at RTT for tomorrow provides some answers: 1) 2M21 (08.40 ECR - SPB) is formed at ECR off the 2O15 from WFJ, so should be 377. It returns to CLJ as 2O27, then to depot 2) 2M41 (14.46 SRS - SPB)...

I attended school in Shrewsbury between 1969 & 1976 and used to observe daytime traffic on the Marches line. I don't have any useful records, however my recollections regarding passenger operations are as follows: 1969-70: NW/SW services formed of Class 47's hauling Mk1 coaches. I have no...

The failure of a 700 across the station throat at Horsham also caused a number of the Arun valley trains to be turned short yesterday. This was reported on Southern travel information: Customer Advice: Earlier today, the 09:29 Thameslink service from Horsham to London Bridge broke down outside...

Apologies! I was referring to the services that passed from Southern to Thameslink last week, however I didn't make this clear. The transfers have been discussed previously in the Class 700 thread, however for the record they are detailed at...

You may have a point there. The turn around time was a bit tight with arrivals at xx.18/xx.48 and departures at xx.27/xx.57; bringing the arrival forward to xx.15/xx.45 gives a more reasonable 12 min. However, the New Cross Gate calls have been reinstated today with a WTT arrival at London...

I don't have an answer, however I was reviewing the first week of Thameslink (TL) performance on the Horsham route this morning and noticed that the TL services were subject to a short notice timetable variation (marked VAR on RTT) on Thursday/Friday. The result appeared to be just that they...