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martyn11post

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Posts posted by martyn11post

  1. Not sure why the media has gone into hysteria around smart meters, it has its flaws, but I've found it quite useful.

     

    I've had one for 3 years now and happy with it. Does what it says on the tin. Gives meter readings and let's me know when I've left the gas on... which has been useful on two occasions. One when the gas boiler got stuck on (timer broke) and the other when the oven started leaking. Now true, I would have found both at some point... and not necessarily the selling points the energy companies were going for...

     

    It also lets me know when the tumble dryer has finished, as it is in the out house, saves me make unnecessary trips in the rain in winter!

     

    The two flaws the Government made upfront, was not standardising the physical meters (make it easy to change suppliers) and trying to make it compulsory/push targets which has driven this you must have a smart meter. For some it will work, for others it won't.

     

    As for saving money, I probably have changed my habits around leaving the heating on all day (there was a clear benefit of using the timer), leaving the oven on for extended periods and the use of various electrical appliances. Probably one-off hits, but I worked out it saved me around £50/annum from typical £500/annum (with recent price hikes that's probably been wiped out!)

     

    ...and thank goodness I no longer have to crawl into the cupboard with a flashlight to get a reading to correct yet another bonkers estimated bill based on the duckworth-lewis method of energy usage... I'm building a model steelworks, not a lifesize replica...

  2. Thanks all, for your wonderful suggestions.

     

    Stand on Cardiff Central and look east (up direction).

    .

    The South Wales main line drops, on bridges and arches, whilst alongside it two tracks rise to reach Cardiff Queen St.

    .

    Brian R

     

     

    There are several examples of this in Cardiff, including Clare Road underbridge in Grangetown, where there are also 2 distinct but not radically different levels; the northern section, carrying the SWML, is lower and graded downhill to the west, while the southern half carries the approach roads to the carriage shed, Radyr Quarry, and Panarth /Barry lines.  But the bridges in Splott that carry the Cardiff Tidal Sidings branch and the adjacent disused trackbeds are even more complex, especially at South Park Road where there are levels that, as well as carrying the Tidal branch, serve now abandoned trackbeds tor Swansea Street goods (TVR), Marhalling sidings, and a flyover for connected to high level sidings at Marshalling, this latter on a still extant brick arch bridge rather than the plate girders that serve for the others.

     

    I'm embarrassed to say I've lived in or near Cardiff for 12 years and had totally forgotten the mainline is elevated on a series of bridges with the valleys line rising up and over!

     

    The bridges in Splott isn't something I've seen before, but fascinating to see especially as you have plate and brick adjacent but at different levels.

     

     

    The Worcester Foregate to Malvern line crosses the River Severn and it’s flood plain on a high brick arched viaduct. At one time a goods branch left the main on the north side, descending steeply to quay level where Pitchcroft grandstand is now. The remnants are visible from Google Earth. Put a pin in the roundabout just north of where the railway crosses Croft Road.

     

    The Malvern line is what I had imagined in my head as a design, really clear when you see it in Google street view and very useful.

     

    Thanks,

    Martyn

  3. Hi All,

     

    I have an interesting problem, which I hope to solve by copying a prototype as there is a prototype for everything (I hope).

     

    Basically my railway (plan) has 3 levels (call them high/mid/low). The low line disappears into a tunnel (hidden sidings), the high level is the main layout and the mid was planned to be the viaduct/bridge.

     

    Are there any real world examples where a viaduct would have two lines converge, one climbing / one falling to a common height that I can use for research/inspiration?

     

    Or would it be separate viaducts in the form of a 'Y' joining together?

     

    Thanks,

    Martyn

  4. I hope this is of interest.

     

    https://interestingengineering.com/energy-storage-trains-work-power-gravity

     

    It is a news item about a concept called 'rail energy storage'. Basically you use surplus renewable energy to push a train up a hill. When the sun goes in, wind stops blowing etc you let the train roll back downhill and harvest the energy.

     

     

    Worth watching last week's BBC Click which has a report from the test track (first 7 mins): https://www.bbc.co.uk/iplayer/episode/b0b7x8gl/click-sustainable-states

  5. Amazing to see the detail and stages you go through Mike.

     

    Out of curiosity, what rubber do you use to make the moulds below?

     

     

     

    attachicon.gifWP_20180409_21_53_57_Pro.jpg

     

    Next make the mould, the smokebox door is top left, insulating tape wrapped round the disc to contain the rubber. Most moulds are made with patterns stuck to the bench top with double sided tape, a lego box built round them and the rubber poured in, bottom left contains the sandboxes and lubricators for the 3P, the other two are replacement kit moulds. At the back is the 4mm 3P, there was some rubber left over so I built a dam round the chimney with BluTack to mould it - this is the large diameter chimney fitted with new cylinders and outside steampipes, the 7mm model is as built.

     

    That's all for now, last remaining body job machining the chimney and dome - details later.

  6. Hi

     

    I'm trying to identify the lorries seen from 2.55 in this video:

     

     

    https://www.youtube.com/watch?v=4j0Hf7uxBvw&t

     

     

    I think it may even be two manufacturers, but the images are a bit blurry.

     

    My knowledge on old lorries is non-existent! So any help much appreciated. I'm trying to recreate them for my steelworks layout (under development!).

    My assumption is the same lorries may have also operated at Llanwern's sister plant of Ebbw Vale.

     

    Thanks in advance.

     

    Martyn

  7. Current Port Talbot(& Llanwern) signalling (current) is two red lights alternate flashing (vertically mounted) at crossings.

    post-21425-0-55695300-1513468436_thumb.jpg

     

    Entrance to sheds are Red & green light again vertically mounted typically above the door/roller shutters.

     

    Some have now been replaced recently by standard 3 aspect signals (although not seen amber in operation.) Also half barriers have been installed on hot metal routes.

    • Like 1
  8. Hi,

     

    Not sure if any on else is having the same issue with the subscription service, but I'm yet to receive:

     

    17 IC 125

    & 21 King

    & 23 Caledonian Single.

    (I also haven't had 25+ but I seem to get them two issues behind...)

     

    Is anyone else having a similar problem or could supply me contact details to enquire. (I think I had a note say there was a delay with 17?)

     

    Thanks,

    Martyn

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