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| London Transport (uk.transport.london) Discussion of all forms of transport in London. |
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#1
December 3rd 09, 04:14 PM
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New central conductor rail - Stockwell
Just noticed this morning a new section of rail which looked like it
might not be made of standard railway line steel. Are they steel or something else which conduct better, since they don't have to take any weight? Martin J. |
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#2
December 3rd 09, 04:50 PM
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New central conductor rail - Stockwell
On Thu, 3 Dec 2009 09:14:58 -0800 (PST), martin j
wrote: Just noticed this morning a new section of rail which looked like it might not be made of standard railway line steel. Are they steel or something else which conduct better, since they don't have to take any weight? There's a relatively new design of conductor rail by Brecknell-Willis. It consists of an aluminium extrusion (for lower resistance to electric current than steel) bonded to a stainless steel wearing surface. Is that perhaps what you saw? |
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#3
December 3rd 09, 06:34 PM
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New central conductor rail - Stockwell
On 3 Dec, 17:50, Bruce wrote:
On Thu, 3 Dec 2009 09:14:58 -0800 (PST), martin j wrote: Just noticed this morning a new section of rail which looked like it might not be made of standard railway line steel. Are they steel or something else which conduct better, since they don't have to take any weight? There's a relatively new design of conductor rail by Brecknell-Willis. It consists of an aluminium extrusion (for lower resistance to electric current than steel) bonded to a stainless steel wearing surface. Is that perhaps what you saw? Sounds like it, thanks |
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#4
December 3rd 09, 07:10 PM
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New central conductor rail - Stockwell
On Thu, 3 Dec 2009 11:34:35 -0800 (PST), martin j
wrote: On 3 Dec, 17:50, Bruce wrote: On Thu, 3 Dec 2009 09:14:58 -0800 (PST), martin j wrote: Just noticed this morning a new section of rail which looked like it might not be made of standard railway line steel. Are they steel or something else which conduct better, since they don't have to take any weight? There's a relatively new design of conductor rail by Brecknell-Willis. It consists of an aluminium extrusion (for lower resistance to electric current than steel) bonded to a stainless steel wearing surface. Is that perhaps what you saw? Sounds like it, thanks You're welcome. I found some details that might interest you: http://www.brecknell-willis.co.uk/systemscr.htm and: http://tinyurl.com/yjm87qf or: http://www.bbrail.com/Country-Case-S...ductor-Rail%29 |
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#5
December 4th 09, 09:09 PM
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New central conductor rail - Stockwell
Bruce wrote:
On Thu, 3 Dec 2009 09:14:58 -0800 (PST), martin j wrote: Just noticed this morning a new section of rail which looked like it might not be made of standard railway line steel. Are they steel or something else which conduct better, since they don't have to take any weight? There's a relatively new design of conductor rail by Brecknell-Willis. It consists of an aluminium extrusion (for lower resistance to electric current than steel) bonded to a stainless steel wearing surface. Is that perhaps what you saw? Seen them on the Victoria line as well. But haven't seen any 09 stock anywhere. |
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