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jonhall

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  1. Mixing the two types of traffic also makes the services complicated to operate, and has potential to import delays from one area to the other. I know one ex operator of trains south of the Thames found a sure-fire way of ruining both bits of their network was when a fault on the Kingston roundabout transferred a delay from the Windsor side to the mainline/suburban out of waterloo (or v.v.). I can imagine the derision on the platform at Birmingham when the announcer tells them the 15:22 at platform 2 is delayed by 300 minutes due to track problems in the Aachen area. Another negativ
  2. I think Martyn and Paul you both have much more experience of modular setups, I still 'think' about the 'front' and 'back' of a layout, but I recognise that they can be reversed (or double sided) in a modular system. My OCD would tend to view low-to-high as Front-to-back, and therefore tend to want to use A-G not G-A to describe the profile... Jon
  3. Its (from memory) 6mm, but if I had more CAD skills I'd put it as a 'parameter' so that they could enter the actual thickness of the sheet and it would be adjusted. I can add the engraves (I was also thinking to add the profile letter to be engraved on the end, but that would need more layers or some editing between file, and maybe even your logo) but that won't be this week as I'm a bit tied up. Jon
  4. I've used it as a socket for the trackbed to sit in. if you were not using laser cut trackbed it wouldn't be required (although I think still useful). It also occurred that we might want the board profile code engraved on the end A-G and we might want a centreline engraved as well. Jon
  5. Paul, uploaded as both DXF and DWG. I've drawn it with each half profile on a single layer, and everything common on another layer of its own, so to do a flat profile (what I've called D-D) they would turn on 3 layers LeftD, CommonToAll, RightD Jon BONSAI RHB FIRST PUBLIC DRAFT.DWG BONSAI RHB FIRST PUBLIC DRAFT.DXF
  6. As the first kits have hit the doormats of customers, and been torn open and started, I have been asked about location of the air brake distributor - these are the photos I have that sort of show location - if you follow the pressure release handle from the bottom of the distributor, it end s up as the white loop that you see just above the step, so I would put it in the middle of the wagon, opposite the cylinder assembly. Jon
  7. The previous owner was making some progress in Blaenavon, however Cancer got him, before they were progressed very far. Jon
  8. My Cargowaggon Single kit is finally available. Resin bodyshell, Etched W-irons and ferry fittings Whitemetal springs, axleboxes, buffers etc Laser cut acrylic floor and spacers, Laser cut Rowmark trusses. £27.50 plus £1.25 in paypal fees £3.85 postage 1st class in the UK for any number of vans. PM for details of how to get your hands on them. Thanks Jon
  9. I can see the desire to limit module proliferation, but I'd probably prefer to let people do what they want in the hope that more took it up. and to add another option.... I think that looks a bit better than the two embankment options using the existing landforms... Jon
  10. I think in the interests of getting this off the ground, and since I have access to a laser cutter, provided people were happy to use 6mm ply (in practice 5.5mm ish) I could do an initial set of ends for whoever wanted them at 'material cost + postage'. This might have a negative impact on the viability of batches through G&H, so it needs a bit of thinking about - its likely they would be about the same price as G&H, but wouldn't have the min-order requirement. Once the spec is set I'll obviously post DXF/DWG files here as well for anyone to make their own arrangements. J
  11. and to explore the options that gives you I can't see most of the 'symmetrical in deep cutting' getting used much (but it might give an exit from fiddle yard profile? ) Jon
  12. 50mm trackbed, 8mm dia holes. All contours intersect at the 'front' edge of trackbed, not through centreline The two lowest profiles simply continue on the same gradient to the 'uphill' edge. The steepest profile intersects the top of a 300x300 box, and the slightly lower one halves the gap at 51mm form the top the retaining wall gradient is constant across all contours and intersects the second contour at 10mm from the edge of the trackbed. I've added a 3mm shoulder, and its currently drawn with a socket for a trackbed tongue to fit at 100mm, but that wou
  13. It depends what period. earlier it was oil in bogie tanks, later gas in 4 wheelers, you will need to look for trains in the period you are interested in. John Dedman was active in the area, he has a number of photos in his albums https://www.flickr.com/photos/johndedman/26156814785/in/album-72157629766666828/ https://www.flickr.com/photos/solent-rails/8729984596/in/photolist-eirsgN-264oqfw-cJ8wbY-eH2n2p-e56jYr-Y67F9d-ZaaHzN-rTf8D1-TKtxuw-xRP3zi-fADdrv-i3HKAU-fAeSWj-TKtxUQ-eirteQ-cycMh3-de12RM-qZUbvZ-23JHJK9-E3dkAa-eh4rJP-SNdEZC-JpVUv6-xRLWiV-e
  14. I've drawn this and have a few questions. On the left drawing: the profiles all pass through the 100mm datum at the left hand edge of the trackbed, on the right hand drawing they intersect the symmetry line. I feel that the right hand version might be better, but only if the depth of the board below the datum was greater. Diameter of bolt holes? 6mm? 8mm? Treatment of trackbed ?- plain on the 100mm? or raised by 3mm with a shoulder (as shown on the Freem009 spec) ? Trackbed width - 50mm? or 60mm? retaining wall? - I've drawn them all
  15. So how is the chap in the video showing common sense? It would seem to me that it would be common sense not to be walking across the traverser pit, particularly when the thing is in motion, and as I suspect the traverser would have had an operating cabin, and since it doesn't seem to be visible in the clip, it suggests he is on the operators blind side. For all its many faults, H&S processes clearly have a measurable impact on reducing the number of workers who never came home, or did come home but with major bits missing. Unfortunately deaths at work do still hap
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