I cannot comment on the details of valve gear design, which is beyond my level of technical comprehension. But perhaps I can make a general...
Although the rebuilding of No 3566 took place in 1929, it was then subject to prolonged and extensive testing. It was 1932 before the first...
Update now on S&DRT web-site: https://www.sdrt.org/agreement-between-the-sdrt-and-the-west-somerset-railway-heritage-trust/
I believe Lemaitre was an employee of the Nord Rly, and his exhaust was certainly fitted to a number of Nord engines, including some of the...
Full marks there for effort! Without RCTS booklets and Ian Allan ABCs, and only patchy coverage on Wikipedia, I find very difficult to work out...
78000-64 all delivered in BR mixed-traffic lined black. WR allocation 78000-9 all subsequently repainted green, some lined and some unlined....
Quote from "Chapelon" thread: A question that arises is whether Gresley, when he was developing his 3-cylinder conjugated gear approach around...
It occurs to me that there is an analogy between Chapelon’s rebuild of the Paris-Orleans Rly Pacifics and Maunsell’s rebuilding of the SECR D/E...
The SNCF classification system sometimes allowed the same class name to be given to different types on different SNCF regions - a bit like the...
If No 3403 is built, it might have a different role to Tornado and the P2, which are big engines best suited to main-line operations. The V4 is a...
Apologies - I stand corrected. I had thought that both LSWR & SECR had adopted the steam-braked engine plus vacuum-braked tender combination, but...
I believe that both Urie & Maunsell had also favoured the arrangement of steam-braked engine with vacuum-braked tender. But I don't know of that...
The LMS Stanier Class 3 2-6-2T had a boiler of almost identical size to the GWR small prairie (length 10ft 10in, diameter tapering from 4ft 2in to...
A possible addition would be B2 (LCDR 0-6-0 and LBSC 4-4-0), although the 4-4-0s had been rebuilt to B2X before Grouping. Amusing to see how the...
Adams had brought this order numbering system from the GER,where he had previously been loco superintendent. According to the RCTS "Locos of...
Some interesting observations above. Perhaps I may add that the dome on the Austerity boiler is further back than that on the GCR 4-4-0,...
My understanding is that, although steel fireboxes had become standard in North American practice in the 19th Century, European locomotive...
Looking at the old OS maps, the route into the original 1849 Rowsley station passed under the A6 very close to the junction with the road (now the...
I think we need to include EMUs to get a full picture of the motive power designed and built under Bulleid. From a quick totting-up of numbers...
Careful - don't tempt fate! The Black Brigade tend to get their way in livery debates. According to the GER Society web-site, Adams himself...
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