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drduncan

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  1. drduncan
    If you use the scale link etched ones they can give you a short circuit too!
  2. drduncan

    Modbury

    drduncan replied to Ian Smith's topic in 2mm Finescale

    Simply breathtaking. Duncan
  3. drduncan
    It was the inference that to be prototypical derailments are necessary (and therefore perhaps to be encouraged) that made me smile. To continue this line of thinking does this mean that 3rd rail or OHE layouts should have a certain number power failures or MAS signalled layouts a particular number of signal failures per exhibition? D
  4. drduncan
    An excellent issue and as always a delight to read Iain Rice’s thoughts and wisdom. Duncan
  5. drduncan
    Richard Butler’s Westcliff uses the normal layout dc controller to turn the TT via a change over switch. The rails are aligned by eye - even I managed to work it without messing it up. WRT DCC perhaps one of these auto return loop thingies might be able to deal with the polarity and supply issue. But as Nampara won’t have a TT (at least in this version) it’s not a dcc problem I’ve had to ponder or play around with. But in case I change my mind anyone got a photo of mixed gauge TTs? Duncan
  6. drduncan
    I’m afraid I have no idea about what happened to the 43to1 7mm kits. DrDuncan
  7. drduncan
    I can confirm that a good friend of mine has acquired the ABS 4mm range and is working hard to reintroduce them. I am sure that when products are ready for re-release there will be announcements in the model railway media (there is a lot of things to sort through, though, so please be patient!). I have been asked to point out that this new business has nothing to do with Smallbrook studios. DrDuncan
  8. drduncan
    Rich, I wonder if the curve is due to the supports breaking off - you can see some in the bottom image. As you are using a plinth maybe go for heavy supports the don’t taper to a point? Duncan
  9. drduncan
    If the corridor connection is flexible could you use small rare earth magnets to make the illusion of working connections complete? Duncan
  10. drduncan
    Mike, Excellent design and production! Duncan
  11. drduncan
    Hi Mikkel, The brake lever wasn’t too bad to draw in fusion, the brake gear was much harder to get right! The pin vice has got a tapered reamer that is used to open up the holes in coupling rod - and yes it is a nasty looking thing. (The next instalment of the rtr conversion blog will reveal all). You can see the rods in question at the bottom of the photo and just creeping in is the top of the chassis they are for - an L & Y Barton Wright 0-6-2t (don’t ask...). Duncan
  12. drduncan
    Mikkel, As always your research and attention to detail is impressive and inspiring! Duncan
  13. drduncan
    Well the Mars became a photon Mono after supplier problems. It’s been joined by a wash and cure and after some niggles (bloody disasters) with photon workshop resolved by chutibox I’m turning out ex CMR China clay wagons for Nampara. Here the first 6 are awaiting W irons axle boxes etc, buffers and couplings to get to the ‘I really ought to paint, letter and weather these’ stage...
  14. drduncan
    Don’t forget that the 6 feet was a minimum. The spacing could be greater (sidings were 10ft as I recall) to allow for infrastructure that might otherwise foul the loading gauge on the ‘standard’ spacing eg signal posts etc. So it depends on what your crossover is for...and what’s surrounding it... Duncan
  15. drduncan
    What is that loco lurking in the back? D
  16. drduncan
    In a constructive and supportive manner least the pros send round the heavy mob to critique my riveting, I think (hope) you meant gripe.... Alternatively, you could borrow from the late great Sir T P and use ‘anal retentive with a loose grip’ (he was referring to CMOT Dibbler) and apply it to your griper of choice. Duncan
  17. drduncan
    The progress is that photon workshop keeps crashing! I intend doing and uninstall re-install. Also I couldn’t find the file validator so I’d appreciate it if anyone could provide the file path to help me locate it in the app. Regards Duncan
  18. drduncan
    I shall look at the firmware and try the z rotation too. D
  19. drduncan
    Thanks I’ll adjust the layer and try. D
  20. drduncan
    I’ve looked at the source file in Fusion and the perpendicular lines are not seen. D
  21. drduncan
    Any suggestions what is going on here? You can see lines perpendicular to the planking that aren’t on the STL or prints from any other make of printer. The print was done on a Mono was at an angle of 45 deg using elegoo black water washable; 0.051 layer depth. Thanks in advance. Duncan
  22. drduncan
    The Fusion 360 pattern tool allows you to ‘follow a path’ eg the edge of a saddle tank and you can tell it how far apart you want the rivets. I am using it on the locos on my 3D workbench with some success (but not on one particular design and I can’t fathom why). D
  23. drduncan
    Mike Oxon’s experiments on red colour in b&w photos in one of his blog posts should also be considered. D
  24. drduncan
    My rationale for all red (notwithstanding the GWR.org quote which I hadn’t come across somehow) was that the grey was a continuation of previous practice coupled with human nature ie if you tell a painter to use grey not red they will paint all the bits that had been red grey. So no black on grey meant no black in red either. So while mikkel’s wagon is a better model than mine I think mine look more plausible!!!! (and this is likely to be the only time I can say that about Mikkel’s exemplary work!) Duncan
  25. drduncan
    Dear all, My photon mono (not a X unfortunately) has just arrived as well as a bottle of elgoo water soluble black resin. Can anyone give me the optimal exposure settings for this resin on the mono so I can tune it all in using one of those downloadable exposure test pieces? Thanks Duncan
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