Deleted
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Post by Deleted on Jul 4, 2009 8:27:52 GMT
While building models of Q and R stock I have noticed that the central buffing pad under the connecting door in the centre of the driving ends differ depending on which end they are. 'D' end pads have a square hole in the centre. Can anyone please enlighten me as to the purpose of this just so I can justify the hole in my finger  that resulted in trying to replicate it on my Q38 DM? Thanks. |
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Post by tubeprune on Jul 4, 2009 14:30:59 GMT
This is a complicated story. Be prepared to give up halfway through.
On stocks built or converted betwen 1936 and 1962, the buffer at the west end of cars was different from that at the east end, mostly. The west end buffer was a solid block while the east end buffer was a hollow pressed steel unit with a large horizontal leaf spring behind it. The idea was that when the couplers were released, the spring would push one unit away from the other. The arrangement also ensured you couldn't couple a D end to another D end. The dimensions of the buffers vary and the east end buffer face protrudes about 6ins further.
The arrangement was applied to all stocks built betwen 1936 and 1962. It was also applied to Q Converted, F refurbished and H Stock converted cars. The Qs and Hs were different in that the east end DMs had spring buffers at both ends. I cannot work out why and I don't remember anything different about coupling Qs.
Now the question is, did D DM Q38s have spring buffers at both ends and, if they did, did they survive the block formation project in the mid 1960s? Anyone any ideas?
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Deleted
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Post by Deleted on Jul 4, 2009 17:51:08 GMT
Thanks for that. I would presume then that the hole in the 'D' end pad was to enable access for lubrication of the leaf spring. From my limited collection of pictures it would seem that the F stock did not have the cut-out. This is a huge relief as it would involve trying to drill a square hole in solid whitemetal!
As tube stock had a similar arrangement, howcome there is no hole in the 'D' end of the pad on them? Was access available another way?
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Post by tubeprune on Jul 4, 2009 20:40:39 GMT
I'm not sure why the Qs and Hs had the hole and others didn't. I can't even guess. I doubt it was lubrication. You could easily reach them from the top.
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metman
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5056 05/12/1961-23/04/2012 RIP
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Post by metman on Jul 5, 2009 1:01:12 GMT
The O/P stock also had this hole on the 'D' end. I've modelled it on my CO/CP stock!
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that resulted in trying to replicate it on my Q38 DM? Thanks.
