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edwin_m's latest activity
E
edwin_m
replied to the thread
Questions regarding signal overlaps and signalling history
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Probably a case of inertia, plus the fact that as many of these causes of overruns became less likely, society's expectations of safety...
17 Aug 2026
E
edwin_m
replied to the thread
Nottingham City Transport
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The 13 was a longstanding route, running on Castle Boulevard when I had a flat there in 1987. The 14 was certainly more transitory and I...
17 Aug 2026
E
edwin_m
replied to the thread
Nottingham City Transport
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Perhaps they could revive the maroon they used to use for the 13 and 14, which ran in a somewhat similar direction via Castle Boulevard...
17 Aug 2026
E
edwin_m
replied to the thread
Pros and cons of Continuous Welded Rail (CWR)
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Yes I think broadly the same thing. Resonance is like when someone is being pushed on a swing. If pushed each time at the moment the...
17 Aug 2026
E
edwin_m
replied to the thread
Reform UK discussion
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I don't see that proving anything. Four of the Reform seats are above the average and four are below by fairly similar amounts. It would...
17 Aug 2026
E
edwin_m
replied to the thread
Reform UK discussion
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Regardless of the quality of the actual education, people who go to university will, on average, be exposed to a wider variety of people...
17 Aug 2026
E
edwin_m
replied to the thread
Pros and cons of Continuous Welded Rail (CWR)
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I thought they'd been banned because of the risk of hitting a resonance with the sway frequency of a vehicle, which might make it sway...
17 Aug 2026
E
edwin_m
replied to the thread
Charing Cross Renewals
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Switch diamonds changed to fixed, otherwise no change.
17 Aug 2026
E
edwin_m
replied to the thread
Questions regarding signal overlaps and signalling history
.
Usually 180m for automatic signals (defined in #12). For controlled signals, usually when the front of the train is a few metres beyond...
16 Aug 2026
E
edwin_m
replied to the thread
Questions regarding signal overlaps and signalling history
.
Most automatic signals don't have separate detection of the overlap. (Automatic signals just work themselves according to whether the...
16 Aug 2026
E
edwin_m
replied to the thread
Charing Cross area closed for 22 days this summer (26th July to 16th August 2026)
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If I recall correctly a couple of switch diamonds replaced by fixed but no functional change to the layout.
16 Aug 2026
E
edwin_m
replied to the thread
Unbuilt Connection to London Waterloo?
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Looking at it overlayed on a current map, it does look like modern buildings cover some but not all of the space with the turntable.
16 Aug 2026
E
edwin_m
replied to the thread
Off the road at Paddington
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It might reduce the weight to be lifted but it also reduces the amount of space for people to position themselves round it. And there...
16 Aug 2026
E
edwin_m
replied to the thread
Lewes and Wickford derailments - rail traceability and could the rail be substandard?
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It's widely reported that rail can get to 20 degrees above ambient temperature on hot days, depending on various factors such as how...
16 Aug 2026
E
edwin_m
replied to the thread
Off the road at Paddington
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A quick search suggests a golf buggy weighs between 300 and 800kg, and this one being larger will be near the top end of that range...
16 Aug 2026
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