Martin Shaw
Western Thunderer
Thanks Dave, I couldn't decide whether the rear unit was a BIL or not, chose wrongly.
Martin
Martin
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The photographs at Waterloo also take me back, as I was brought up in Staines. Yes the units used on the semi-fast service to Reading were very comfortable, and had Loos. Something missing from the EPBs, much to my discomfort late one night! But it was the Q1 that was really the star of the photos. [Sorry this system wouldn't let me quote the actual photos, but thanks for posting]The electric units in #890 are 2 x 2BILs and with what looks like a 28 headcode are on a Reading - Waterloo via Richmond service. They were a most comfortable unit to ride in, the picture takes me back to visiting my Aunt and Uncle in Staines 60 odd years ago.
Martin
The line started off as a single line branch from High Wycombe to Aylesbury, which did follow the topography more closely. When the “cut off“ upgrading was done, turning it into a main route Paddington to Birmingham, the track was doubled, but the second track was placed in a deep cutting to ease the grade for southbound trains. This happened at a time when mechanical excavation was available.
Was this a cut off from the 1930s Government paid for developments that the GWR took advantage of?
In short no. It was built by the GW & GC Jnt and opened in 1905 as the GC wanted a faster easier route to avoid the heavily graded tortuous Met route via Aylesbury. This also provided the GW a shorter route to Birmingham by cutting off the circuitous route via Oxford.



I wonder if any of those black faces ever became firemen or drivers?I should have recognised the loco from your avatar and handle, Col! It all comes together now. Was a class 15 or 16 also used as a pilot for a period, similarly buffed up? I'm pretty sure that, in the photo of 69657 above, the loco in the background is more likely to be a J69 than an N7 but I guess we'll never know for certain.
Here's 69614 appropriately receiving the attention which was normal for these pilots. I have to spend some time with Tim going through all these photos which I've already post processed, and there are several hundred of them which will appear on here eventually, so he can give me the background including dates.
Details: N7 0-6-2T 69614 carrying a 30A Stratford shed plate at Liverpool Street Station at an unknown date. It became an N7/4 in February 1940 and despite appearances to the contrary the condensers were removed in May 1936. It was at Parkeston Quay in April 1949 and then to Stratford in August 1951. It was withdrawn in December 1960 (SLS) and scrapped at Stratford Works in March 1961. (RO).
View attachment 135863
Tony - thanks for your interest. I reckon one of the best to show the changes - I hesitate to say improvements, as that is a matter of individual judgement - is 69657 which is what has stirred up these comments. I very rarely if ever use the built in automatic quality improvement tools during scanning as too often I've found that they have an unrequired effect, for example dirt removal can result in the suppressing of fine detail, so this is the basic scan and what I started with.
View attachment 135862
You can see the density changes around the smokebox and front frames/cylinder cover and also you can see marks around the dome and boiler top which, on enlargement, look like scabs. The neg is, in fact covered in these but they are difficult to see in the deep shadows. The station platform in the left foreground has some sort of drying marks. I suspected reticulation initially but I think this is related to the similar marks on the dome and boiler. It's also possible that these are microbe attack but to confirm would need a more forensic approach than I am applying as I simply want to get the best from the negs that I can. The whole frame is affected to a greater or lesser extent.
The dirt and scratches are removed as a matter of course and contrast is adjusted. Most of these marks are removed by using the "clone" tool which allows an area of similar density to be copied and used to replace the damage. That's all there is to it but to deal with each issue as a separate entity takes time. It fills the hours sitting in front of the box! It's important to me that every photo receives this treatment and is a "warts and all" approach. Those marks on the ballast which could be interpreted as dust and removed are, in fact physical rubbish. Lights or holes in an overall roof remain in the final picture as they were there when the photo was taken. When requested I have occasionally removed similar debris or painted out the odd crane growing out of a chimney but always have the original image as the reference.
I know there are others on this forum far more skilled than I in the use of Photoshop who may like to comment further.
The next several photos will be those Tim took around Braintree and Witham. Tim asked me yesterday to give these priority as he has a friend who wishes to make use of them.
Brian





More EMUs are notable in the left background.
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Was this a cut off from the 1930s Government paid for developments that the GWR took advantage of?
So roughly contemporary with the Langport cut off and Badminton line - the scale of capital investment the GWR put in about then is genuinely astonishing.
Driving wheelbase of the two classes seems to have differed only by 3" (longer on MN), and that was between the centre and rear driving wheels, which shouldn't have affected the expansion link position or shape. Rear axle to pony truck was a foot more on the MNs (ditto). Dimensions in front of the centre axle were identical. Cylinder bore was about 1.5in larger on the MNs.Dave
Thanks for pointing that out, I obviously didn't spot it when I looked at some MN pics this morning. It isn't so obvious in a view from an acute angle, well that's my excuse. I wonder if in putting the trunnion a bit further forward the same radius rod can be used on both classes, there will be some good engineering reasons for the difference.
I have found references to the valve gear on both rebuilt classes, the outside to be generally similar to the BR 2-6-4T ( another Brighton Works design) and the inside to follow the design of the Schools class inside valve gear, which one must assume worked well enough. The crank axle on both classes had been designed to take an eccentric in exchange for the chain drive sprocket after they were replaced following the earlier failures. On this basis there can't be that much difference in the valve gear of the two classes, unfortunately I can't find weight diagrams that would give wheel base dimensions which might be a clue.
Martin