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  • Location
    Taunton, Somerset
  • Interests
    Southern Railway, West Somerset Railway.

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  1. I'll looking to build my own controller for dc and have seen several circuits. Most seem to require 16v ac input which then gets rectified to 12v dc via a diode bridge. If I had a 12v supply, then could I use this and omit the rectifier? The psu I have is a computer one. I don't understand the advantage of 16v ac input unless it's to avoid wrong polarities when connecting it to a dc input. Also "smoothed" v "unsmoothed"? Just seems a waste to buy a 16v ac transformer just for it to be immediately converted to 12v dc when I could input 12v dc direct? Thanks
  2. Thanks for the replies. On my current layout there are 10 turnouts and two semaphore signals worked from a twelve unit megapoints controller. I switch crossing polarity with microswitches. I have a route setting diode matrix for the turnouts. This layout has been a testtrack and I am now moving onto the "main event". Reading about it, relays seem better than microswitches and I have had to replace a couple of microswitches as well as making the servo mounts more complex. I was just trying to figure out how to fire the relays. I see that megapoints supply relay drivers, but I am always looking to do it myself. I'm not sure I'm going to do the route setting again as the new layout is more complex and has exponentially more routes (but i might do). So I guess the answer is to use DPDT switches on the control panel. as per this sketch:
  3. using relays as polarity switches for servo point activation. Is it acceptable to use the point switch circuit in series with the relay to trigger the relay? as per this diagram? in practice, the relay board (Megapoints) has 12 positive on/off inputs for each of 12 servos and a single common negative,
  4. Thanks I have Pryers book. It has some good pictures but no drawing. However, I now have one from elsewhere so I will try and make up my own version!
  5. Thank you. Maybe I didn't phrase the question very well. I need some typical LSWR / BR(S) gates. Can I use a generic design, or did the Southern do something different or distinctive? I like to scratchbuild!
  6. Hi there, I am looking at building level crossing gates for my LSWR / southern / BR (S) layout. This is to cross a main road. There appear to be a myriad of differing designs across the whole country, but did individual railways have specific patterns? It seems that the variables are 1. Whether the horizontals are tapered or parallel 2. Design of mesh or no mesh and metal bars 3. Whether the internal bracing is "x" or single diagonals 4. Design of posts 5. Location of targets. Most gates seem to be two or three bays across the country. Many earlier designs are more esoteric, but these were mostly replaced or only survived on quieter lines. I suppose the easiest is to copy from an original, I have photos of chard junction and braunton, both are which are different. Does anyone have any specific info on southern style of gates or any drawings? Thanks
  7. Thank you. i like the colin waite ones but they are really fiddly! Ill try peco and see how we go. Thanks again
  8. I'm soon to start the new layout. In the past I have always used 4mm OO scaleway track and plan to do so again. I can't remember what joiners i have used in the past. Presumably Scaleway ones, but they are quite big and interfere with the chairs on the first couple of sleepers. I may have cut them down in the past but this generates its own "crushing" problem. On the current layout, I used colin Waite etched fishplates and soldered it all up solid, but now I have expansion problems. I like the look of the peco bullhead joiners...but do these fit Scaleway? What is the best and most authentic joiners to use with Scaleway?
  9. Where the records still exist, they are held at NRM York and can be consultedfit free. Guess they are shut at the moment though
  10. This railway was abandoned in 1898 and left in the charge of two gangers to keep the grass down. Rather inventively, they used grazing pigs to help with this. Its undated, but I believe this picture is from around 1899 so after abandonment and I imagine the duckboard has been placed by the gangers to make their life easier. No trains expected as the railway is closed, indeed the passenger coach can be seen on the right minus its wheels.
  11. I think you should start with the track, not with the stock. Once the track is laid and ballasted, it is difficult to replace, whereas stock can be sold and new purchased. Not so easy to rip up the track. Peco has the best range. Code 75 looks much better than code 100, but both have the sleepers too close together although thousands of people use it without worrying. The newer peco bullhead range looks really good and is also code 75. But go with peco of some sort.
  12. I've come across this topic just now. Also, I would be interested in how you deal with the short circuit/overload protection.
  13. You need to reload it from the shapes menu. Click "shapes" then select "recent". You should then see your .bgs3 file to be reloaded. Hope that helps.
  14. Plenty of pictures of red ones online such as this...https://images.app.goo.gl/dr8mXCg7kddr68rM7 Is this wrong?
  15. Hi Chris, I don't quite understand this bit...
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