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Michael Edge

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Michael Edge last won the day on November 12 2013

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  1. The main differences are the back sanders, boiler and tank vents but there are a lot of minor variations as well, including some just seen in the way of patch repairs to the bunkers. The back sander differences are covered in the etch, domeless or domed boiler are just different fittings and we are not providing the awkward cranked tank top vents.
  2. Good, keep on with that as far as you can, it saves a lot of time later. One thing to note though - make sure the solder comes through the joint all along - when soldering from the inside you should see a bright line of solder on the outside. If you don't it's sometimes necessary to scrape clean and re flux on the outside, still keeping the iron on the inside.
  3. Good detective work there, that settles that argument anyway. The loco roof looks very light in this photo though - which leads on to the other ongoing argument of what colour it was painted at any time. I have also wondered if it ever saw any use as a shunter in Wimbledon depot.
  4. No reason why we can't have it for Railex, possibly for Scalefour North but that depends on PhotoEtch. We may also supply this as more of a kit than before with at least some of the mouldings provided.
  5. It was certainly designed for tube use, in its original form it fits in gauge in a 12ft tube - out in the open it was lifted slightly on its bogies, posibly for vertical clearance on the power station ramp. The original diagram (but no photos) shows a central coupler of some sort. It was built with (and kept) Mansell wheels and was still air brake fitted at least at one end in the 1940s. It was definitely not designed as a shunter for unfitted coal wagons whatever it may have been used for - the "Thunderbird" function hadn't occurred to me but as you say it had very large air reservoirs. There is a great deal of mystery about this loco, I didn't say it wasn't at Durnsford Road from 1915, just that I've never seen a photo. The smaller loco (75s) was used for shunting the stock on and off the lift to the surface, no mystery about this one and of course it still exists.
  6. It doesn't seem to have been photographed at Durnsford Road until the 1940s , if it had worked there from 1915 as all sources show how did it manage to avoid the camera? There are any number of photos of it there from 1940s onwards and I've talked to lots of people who remember it being normally visible from the trains running past.
  7. I'll let you know when we have one in stock.
  8. The DS74 kit is out of stock, more expected in a week or so.
  9. The 4mm one is finished now, there will be more on the Judith Edge thread later.
  10. Cling film didn't exist in my aeroplane building days but we did have greaseproof paper as Mike suggests.
  11. Very nice work, I like the industrialised J63. The Hunslet buffers should be parallel though, not tapered.
  12. I had to produce something like this for Brunswick shed roof. I went back to almost forgotten model aircraft building technique and used various sizes of strip wood to construct the trusses. If anyone else remembers this model aircraft kits included a drawing which you pinned the various components on to while gluing them together, no jig needed just an accurate drawing. Once all the trusses are made they are pinned vertically on to another drawing and the longitudinal members added. At least your roof is straight - Brunswick was the only curved loco shed in the country (although the Severn Valley Railway have now built another one).
  13. With the ROD finished I started something a little different. This is another Dowlais loco to go with the little Beyer Peacock 0-4-0ST I built a couple of years ago. It was immediately obvious that the wheels were going to be a problem with very distinctive T section spokes. The only possibility from Slater's was to use 7851 tender wheels with an overlay on the back and create a crankpin boss. The back part of the spokes was etched easily enough, next to modify the wheels. Each wheel was mounted inside out on an axle and machined out at the back, the plastic rags up quite a bit doing this (and makes a mess on the lathe) but it's easily cleaned up with a scalpel - unlike old cast iron wheels which need a lot of filing for the same reason. From right to left, both sides of a wheel straight from the lathe, spokes cleaned up, overlay glued in (superglue) and finished wheel - apart from the crankpin boss. Fitting the overlay wasn't quite as straightforward as I had first thought, the etch had the spokes precisely placed radially, the wheels didn't. One position round the wheel fitted better than other possibilities though and they all had to be in the same place relative to the square hole for quartering of course. The front face of the wheel has another etched overlay, after machining down the existing boss it is gllued in place, lined up with a 10BA screw and nut. the 10BA screw is soldered to the back face and will be the basis of the crankpin. The space between the etches is made up with filler, this moulds round the screw and should lock everything up securely. Frames and footplate assembled now, the cab floor will be on the frames as in my usual practice with tank locos. It uses my usual compensation system, the two trailing axles are linked, the leading one rocks under a knife edge. The etched beams will have thickening pieces (machined brass) added later, this will do for now until the body is complete. This will probably be a fairly long term job, other work will take over for a while.
  14. The fishplates (rail joiners) are there as well, they do the mechanical alignment of the rails. I tried doing without them for my first exhibition layout (a long time ago) and just used bonding wires but that proved to be a mistake. I use the new Peco rail joiners now, not only are they a sensible length but they look like fishplates and actually grip the rail - still bonded round though for long term reliability. This shows how it's done on my latest layout "Wentworth Junction", the bonding wire is one the far side, it will be buried in the ballast. Another early mistake I made was to run the bonding wires straight across the gap - expansion/contraction of the copper wire soon started to randomly fracture the solder joint (and they were extremely difficult to find when they had failed), they are now always looped. This is a DC layout, for DCC all rails are separately bonded to two bus wires under the baseboard.
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