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JamesT's latest activity
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JJamesT replied to the thread Trains all at a stand in the Manchester area... (Thursday afternoon 06AUG2026).You're just playing with semantics. A UPS also switches to providing power from the batteries within milliseconds, when it works. It...
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JJamesT replied to the thread Trains all at a stand in the Manchester area... (Thursday afternoon 06AUG2026).I don't think something going wrong necessarily means preparation was incorrect. From the description we've had, NR had put in...
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JJamesT replied to the thread Trains all at a stand in the Manchester area... (Thursday afternoon 06AUG2026).Something that switches over to batteries is a UPS!. The generator may well be fed through the UPS, but that's irrelevant to the point...
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JJamesT replied to the thread UK switching to electric vehicles discussion.That's exactly the opposite of what that article says.
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JJamesT replied to the thread Trains all at a stand in the Manchester area... (Thursday afternoon 06AUG2026).But also, nothing is ever 100% reliable. You can build massively redundant systems, but sometimes things fail in a way that the standby...
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JJamesT replied to the thread Trains all at a stand in the Manchester area... (Thursday afternoon 06AUG2026).Big proper UPSes generally have the ability to add additional battery capacity. But you're still dealing with a different order of...
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JJamesT replied to the thread Trains all at a stand in the Manchester area... (Thursday afternoon 06AUG2026).Post #147 of this thread states that there are two independent power supplies to the ROC. The reporting that there was only a 90 second...
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JJamesT replied to the thread Trains all at a stand in the Manchester area... (Thursday afternoon 06AUG2026).I think the route director from Network Rail expressed it fairly well. https://www.bbc.co.uk/news/articles/cn5nlvdxpwpo The first thing...
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JJamesT replied to the thread Stopgap options to cover for delays to introduction of Class 810 for EMR?.Could I just confirm, although the maintenance contract is now with Hitachi, the 222s are being maintained in the same place by the same...
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JJamesT replied to the thread Avanti 805's under the wires on WCML (Euston - LIverpool).And to go with that 2tph from Bristol to Birmingham.
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JJamesT replied to the thread Trains all at a stand in the Manchester area... (Thursday afternoon 06AUG2026).The flip side is that it can take a certain scale before redundancy is worth it. Does every individual signalbox have generator backup...
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JJamesT replied to the thread Trains all at a stand in the Manchester area... (Thursday afternoon 06AUG2026).Though depending on quite how big a load we're talking, the UPS may only be sized to keep things running until the generators are...
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JJamesT replied to the thread Train drivers’ decades-long ticket fraud ‘cost taxpayer millions.Though as DRS is a FOC they can't really reciprocate with passes, presumably they would have to pay towards providing it for their staff?
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JJamesT replied to the thread New passenger numbers and Crowding figures published.Have they? Has the number of services a day returned to pre pandemic levels yet?
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JJamesT replied to the thread East-West Rail (EWR) countdown to entry into service.I expect it's a typo/autocorrect of buffet counters.