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| London Transport (uk.transport.london) Discussion of all forms of transport in London. |
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#11
January 30th 10, 05:30 PM
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Long DLR Train
In message , Basil Jet
writes I suppose what I'm really asking is whether the heavy rail standard still has any virtues. I think a DLR set might struggle trying to reach 140mph on a run down to Ashford.  -- Paul Terry |
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#12
January 30th 10, 06:39 PM
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Long DLR Train
On 30 Jan, 18:30, Paul Terry wrote:
In message , Basil Jet writes I suppose what I'm really asking is whether the heavy rail standard still has any virtues. I think a DLR set might struggle trying to reach 140mph on a run down to Ashford. * As would the majority of heavy rail I should think. But is it more to do with what else might hit you on the line? |
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#13
January 30th 10, 07:16 PM
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Long DLR Train
"Recliner" wrote in message ... "MIG" wrote in message This morning I've seen a three-unit train running on the DLR, with the designation "Special", in between other services. (Am I the only one having trouble perceiving the "articulated vehicles" as anything other than units of two coaches?) Like any other articulated vehicles (particularly trams), the short coaches share a bogey. The only mainline trains with this configuration in the UK are Eurostars, but they're quite common elsewhere. Never a good idea to write 'only'. Someone is bound to come along and point out that Tyne & Wear Metro units are articulated, and operate on main lines. Paul S |
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#14
January 30th 10, 07:31 PM
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Long DLR Train
On Jan 30, 7:39*pm, MIG wrote: On 30 Jan, 18:30, Paul Terry wrote: In message , Basil Jet writes I suppose what I'm really asking is whether the heavy rail standard still has any virtues. I think a DLR set might struggle trying to reach 140mph on a run down to Ashford. * As would the majority of heavy rail I should think. *But is it more to do with what else might hit you on the line? Freight trains on the mainline versus forgotten tools on the DLR? |
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#15
January 31st 10, 06:34 AM
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Long DLR Train
"Recliner" wrote in message ... "MIG" wrote in message This morning I've seen a three-unit train running on the DLR, with the designation "Special", in between other services. (Am I the only one having trouble perceiving the "articulated vehicles" as anything other than units of two coaches?) Like any other articulated vehicles (particularly trams), the short coaches share a bogey. The only mainline trains with this configuration in the UK are Eurostars, but they're quite common elsewhere. The diagrams and photos I have seen seem to me to show 2 car bodies and 4 bogies per unit. Was I looking at the wrong images? DW downunder |
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#16
January 31st 10, 09:27 AM
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Long DLR Train
On 31 Jan, 07:34, "DW downunder" noname wrote:
"Recliner" wrote in message ... "MIG" wrote in message This morning I've seen a three-unit train running on the DLR, with the designation "Special", in between other services. (Am I the only one having trouble perceiving the "articulated vehicles" as anything other than units of two coaches?) Like any other articulated vehicles (particularly trams), the short coaches share a bogey. The only mainline trains with this configuration in the UK are Eurostars, but they're quite common elsewhere. The diagrams and photos I have seen seem to me to show 2 car bodies and 4 bogies per unit. Was I looking at the wrong images? DW downunder If you mean diagrams like this one http://upload.wikimedia.org/wikipedi..._New_Train.PNG then it would indeed appear to be wrong. Maybe the wheels were added as an afterthought? |
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#17
January 31st 10, 09:51 AM
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Long DLR Train
"MIG" wrote in message
On 31 Jan, 07:34, "DW downunder" noname wrote: "Recliner" wrote in message ... "MIG" wrote in message This morning I've seen a three-unit train running on the DLR, with the designation "Special", in between other services. (Am I the only one having trouble perceiving the "articulated vehicles" as anything other than units of two coaches?) Like any other articulated vehicles (particularly trams), the short coaches share a bogey. The only mainline trains with this configuration in the UK are Eurostars, but they're quite common elsewhere. The diagrams and photos I have seen seem to me to show 2 car bodies and 4 bogies per unit. Was I looking at the wrong images? DW downunder If you mean diagrams like this one http://upload.wikimedia.org/wikipedi..._New_Train.PNG then it would indeed appear to be wrong. Maybe the wheels were added as an afterthought? It's obvious that the artist got carried away. This is a more accurate drawing of the current stock: http://media.photobucket.com/image/d...LUEREDORIG.jpg The problem seems to be that it's hard to find pics of DLR vehicles with visible wheels -- they're usually behind a platform or the current rail. But this photo gives some impression of the centre articulated bogie: http://www.flickr.com/photos/2477273...57605340322709 |
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#18
January 31st 10, 12:28 PM
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Long DLR Train
On 31 Jan, 10:51, "Recliner" wrote:
"MIG" wrote in message On 31 Jan, 07:34, "DW downunder" noname wrote: "Recliner" wrote in message .. . "MIG" wrote in message This morning I've seen a three-unit train running on the DLR, with the designation "Special", in between other services. (Am I the only one having trouble perceiving the "articulated vehicles" as anything other than units of two coaches?) Like any other articulated vehicles (particularly trams), the short coaches share a bogey. The only mainline trains with this configuration in the UK are Eurostars, but they're quite common elsewhere. The diagrams and photos I have seen seem to me to show 2 car bodies and 4 bogies per unit. Was I looking at the wrong images? DW downunder If you mean diagrams like this one http://upload.wikimedia.org/wikipedi...20080224151715!... then it would indeed appear to be wrong. *Maybe the wheels were added as an afterthought? It's obvious that the artist got carried away. This is a more accurate drawing of the current stock:http://media.photobucket.com/image/d...pictures/astoc... Except that the scale is all wrong, with tiny bogies entirely below the skirts. It's the skirts that are the main problem, because only the bottom of the wheels is visible below the skirts that cover the bogies. One can only assume that they are attached to bogies, but there are definitely six axles per unit. At a glance, the wheels either side of the bendy bit seem quite far apart for a single bogie, but no further apart than the pairs at the outer ends. I think it's probably an illusion caused by the smallness of the wheels. |
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#19
January 31st 10, 01:35 PM
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Long DLR Train
On 31 Jan, 13:28, MIG wrote:
On 31 Jan, 10:51, "Recliner" wrote: "MIG" wrote in message On 31 Jan, 07:34, "DW downunder" noname wrote: "Recliner" wrote in message .. . "MIG" wrote in message This morning I've seen a three-unit train running on the DLR, with the designation "Special", in between other services. (Am I the only one having trouble perceiving the "articulated vehicles" as anything other than units of two coaches?) Like any other articulated vehicles (particularly trams), the short coaches share a bogey. The only mainline trains with this configuration in the UK are Eurostars, but they're quite common elsewhere. The diagrams and photos I have seen seem to me to show 2 car bodies and 4 bogies per unit. Was I looking at the wrong images? DW downunder If you mean diagrams like this one http://upload.wikimedia.org/wikipedi...20080224151715!.... then it would indeed appear to be wrong. *Maybe the wheels were added as an afterthought? It's obvious that the artist got carried away. This is a more accurate drawing of the current stock:http://media.photobucket.com/image/d...pictures/astoc... Except that the scale is all wrong, with tiny bogies entirely below the skirts. *It's the skirts that are the main problem, because only the bottom of the wheels is visible below the skirts that cover the bogies. One can only assume that they are attached to bogies, but there are definitely six axles per unit. At a glance, the wheels either side of the bendy bit seem quite far apart for a single bogie, but no further apart than the pairs at the outer ends. *I think it's probably an illusion caused by the smallness of the wheels. Actually I could be confused. I think the new units (supposedly illustrated in the diagrams) have longer bogies, or possibly just a longer middle bogie. |
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#20
January 31st 10, 01:37 PM
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Long DLR Train
On 31 Jan, 14:35, MIG wrote:
On 31 Jan, 13:28, MIG wrote: On 31 Jan, 10:51, "Recliner" wrote: "MIG" wrote in message On 31 Jan, 07:34, "DW downunder" noname wrote: "Recliner" wrote in message .. . "MIG" wrote in message This morning I've seen a three-unit train running on the DLR, with the designation "Special", in between other services. (Am I the only one having trouble perceiving the "articulated vehicles" as anything other than units of two coaches?) Like any other articulated vehicles (particularly trams), the short coaches share a bogey. The only mainline trains with this configuration in the UK are Eurostars, but they're quite common elsewhere. The diagrams and photos I have seen seem to me to show 2 car bodies and 4 bogies per unit. Was I looking at the wrong images? DW downunder If you mean diagrams like this one http://upload.wikimedia.org/wikipedi...20080224151715!... then it would indeed appear to be wrong. *Maybe the wheels were added as an afterthought? It's obvious that the artist got carried away. This is a more accurate drawing of the current stock:http://media.photobucket.com/image/d...pictures/astoc... Except that the scale is all wrong, with tiny bogies entirely below the skirts. *It's the skirts that are the main problem, because only the bottom of the wheels is visible below the skirts that cover the bogies. One can only assume that they are attached to bogies, but there are definitely six axles per unit. At a glance, the wheels either side of the bendy bit seem quite far apart for a single bogie, but no further apart than the pairs at the outer ends. *I think it's probably an illusion caused by the smallness of the wheels. Actually I could be confused. *I think the new units (supposedly illustrated in the diagrams) have longer bogies, or possibly just a longer middle bogie.- Sigh ... I meant supposedly illustrated in the diagram I found, not the one you found of the earlier kind. |
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