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Post by c5 on Jul 28, 2007 17:23:31 GMT
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Post by pgb on Jul 28, 2007 17:33:56 GMT
Looking at the pipework around it I would suggest it is a kind of tripcock device found on a steam loco (probably a met one looking at the colour!). Thumping the arm of the raised trip would twist the joint round opening a hole in the pipe, which looks like a vacuum pipe to me.
Could be wrong mind!
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Deleted
Deleted Member
Posts: 0
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Post by Deleted on Jul 28, 2007 21:18:16 GMT
Looks like it could be bi-directional, too, from the two steps/cam thingies on the round doohickey.
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Oracle
In memoriam
RIP 2012
Writing is such sweet sorrow: like heck it is!
Posts: 3,234
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Post by Oracle on Jul 28, 2007 22:45:20 GMT
Tripcock fitted to the Met loco at Quainton? It would be actuate the vacuum loco-brake, not the train air brake.
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Post by loughtonsiding on Jul 28, 2007 23:34:21 GMT
Tripcock fitted to the Met loco at Quainton? It would be actuate the vacuum loco-brake, not the train air brake. Yep. It is exactly the same pattern that was fitted to Class 31 diesels, for working to Moorgate. It would apply the vacuum brake throughout the train, and whatever brake is fitted to the loco (sometimes steam, sometimes vacuum). On a diesel it would apply the vacuum brake on the train, sir brake on loco. It looks to be next to the bogie wheels of 0-4-4 L44, so this would be for bunker-first running. The opposite side of the loco, with the tripcock visible between the driving wheels, can be seen at: tinyurl.com/27r2r5I believe the loco is (or was) temporarily at the Bluebell Railway) so the picture may have been taken there, if not Quainton. |
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Colin
Advisor
My preserved fire engine!
Posts: 11,346
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Post by Colin on Jul 29, 2007 17:23:00 GMT
I'd agree with the Bluebell Railway bit - I'm sure JTD has a vested interest there........
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Post by c5 on Jul 29, 2007 18:45:44 GMT
Yup.! This is indeed the vacuum Tripcock on Met 1. The is also one on the other side of the loco, but I cant recall if it was air or vacuum! I reckon it may be vacuum and that also operates the air brakes, when that one is in use. Sadly it does have to go back.... It goes like the clappers and is pretty good! It will be running during the Bluebell 125 event and next weekend. www.bluebell-railway.co.uk/bluebell/events/bluebell125.htmlIt was taken in a yard at Horsted Keynes where it is for a few weeks, yesterday it was for the re-launch of the "Chesham Set". Some photos are available on this website train.fotopic.net/metcoaches by a regular Bluebell photographer... Oh and it was "cut out"!!!   |
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Post by mandgc on Jul 30, 2007 6:28:58 GMT
Former Met.Rly Locos.
All the Steam Locos taken over from the Met. or aquired afterwards were fitted with the Vacuum Brake only and could only be connected to and control Vac. braked stock.
The Met. Electric locos were equipped with both Vacuum and Air brakes for use on the loco. but the air brake could not be connected to a train.
The Steam Stock (Aylesbury Line trains) was fitted with Vacuum Brake only and the Air Brakes were the only type in use on the Electric Multiple Units.
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