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Mail Rail (Post Office Railway) visit
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On Mon, 12 Mar 2018 16:51:56 -0000 (UTC) Anna Noyd-Dryver wrote: wrote: On Mon, 12 Mar 2018 13:28:34 -0000 (UTC) Anna Noyd-Dryver wrote: wrote: On Mon, 12 Mar 2018 11:04:07 +0000 Roland Perry wrote: In message 2132316179.542480534.571005.recliner.ng- , at 17:05:04 on Sun, 11 Mar 2018, Recliner remarked: Additionally the conductor rail has to be removed to allow the passenger train to run; this is not a problem in itself but it does prevent future demonstrations of automatic trains (something I'd love to see, but I don't know if it's on anyone's agenda) if you remove too much of it. I didn't know the line had been used for trials of automatic trains? How would they get them up and down, given that the old depot can no longer be used for surface access? Here's how they took out some of the remaining trains in 2011: https://www.londonreconnections.com/...ving-the-mail- rail/ Some quite thin chains given how heavy those locomotives must be. Surely the single yellow fabric strap is the more concerning part of the set up? Depending on what they're made of fabric straps can be exceptionally strong. Plus I doubt that carraige is as heavy as the locos. There are four yellow straps lifting the carriage. There's just one lifting the power units. I saw 4 metal chains lifting those. Rather thin looking chains IMO given those loco sections must be at least a ton each. Look at the second picture in the link above. From the loco, working upwards: four chains, stretcher bar, single yellow strap, hook/block-and-tackle, cables. Anna Noyd-Dryver |
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Mail Rail (Post Office Railway) visit
On 12/03/2018 17:46, Anna Noyd-Dryver wrote:
Look at the second picture in the link above. From the loco, working upwards: four chains, stretcher bar, single yellow strap, hook/block-and-tackle, cables. I think there may possibly be 2 straps. In any event, a single 75mm webbing strap can often be rated at more than 10 tonnes -- Robin reply-to address is (intended to be) valid |
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