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Rick_Skateboard last won the day on May 13 2011

Rick_Skateboard had the most liked content!

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  1. Thanks for the replies guys, Howard, the lever frames on the Leeds City thread are things of beauty! I'm familiar with Leeds as it is today, so I enjoy watching the model coming together. I’ll have a read of the link from the scalefour forum, thanks. I’m planning to modify the MSE kit, perhaps even build something new and just use the cast levers. Cheers Rick
  2. The MSE lever frame kit has arrived, and I've had a look at the bits. The cast levers are nice, although the handle and pull rod to the latch could probably be improved on. I'm not 100% convinved by the frame arrangement, and I may try to modify it or build something else. The issues are discussed on this thread. I've made a start on the locking drawing, but I think I'm making hard work for myself by doing it on paper! I need to get on with learning CAD. I've got hold of some small 12v electomagnetic cabinet latches that might be a star
  3. Hello, Does anyone have a clear picture of 44871's nameplate when it was called 'Sovereign'? Thanks Rick
  4. Hi Michael, I think Line Clear Release is the correct terminology, it certainly appears on the box diagrams. According to the book, the shunting key can be released under two condtions; section clear or behind another train. It is electrically released by the block instrument in both instances, and the block is locked until it is replaced. Because withdrawing the key locks the block, it would not be possible to get LCR for nos.4/5/11, so they will be electrically locked. Looking at the interlocking at Dunkeld it appears that the shunt key lever does mechanically lock the starte
  5. I'll have a look at the SigScribe software, thanks. I see what you mean about the single line clearing point, I hadn't fully appreciated how the operating regulations would effect the interlocking in that way. Cheers Rick
  6. Excellent work on the grille, it really looks the part. Rick
  7. Thanks, I can see the sense in those additions. 12 is the FPL for 13 (that probably isn't clear from my drawing), which is worked as a crossover. So I've already got 4 locks 12 and 17 locks 12, which in turn locks 13 in either position. I've also got 11 and 16 being released by 13R and 15R. Is it right that points release signals, but signals lock the FPL, where provided, rather than the points? I'm sure you're right about 17 being a miniature arm, I will change it on the next draft. I don't think any passenger trains will be terminating, so that's not an issue. Ch
  8. Now that I’m happy the layout is mainly correct, I’ve had a go at a locking chart, based on what I’ve read and what I think should lock what logically. I’m not sure what the relationship between no.2 signal and no.13 and 15 points should be? Should a train be cautioned at 2 before being allowed to move up to 4 if the points are reversed (ie; not set for that train)? I suppose the same could be said for signal no.3 if no.9 crossover was reversed and the movement was being signalled towards no.5 and the up platform, but with no.15 was reversed. Or am I overcomplicating it? Any comments on t
  9. Ok! Thanks. I'm surprised it involved passing signals at danger, but I suppose that actually makes sense so that there's no confusion between a shunt and a movement through the section. Do you know if the signalman would have given a yellow flag to start the move, or just given verbal permission to move when ready when handing over the shunt token? I assume the interlocking would allow the shunt back out of the section (into the station or yard) to be signalled normally? Cheers Rick
  10. Thanks again for the replies, it’s been a really interesting discussion. I always think it’s good to be able to find a real life example of something you want to model, and I think Dunkeld is the example to follow for the down end of Braeintra. For that reason, I think I will stick with no.11 reading straight into the section (LCR), and no shunt ahead arms on no.4 or no.5. I haven’t found a real life example of a shunt ahead arm on tokenless block in Scotland. I see what you mean about the diagram referring to a shunt lever and a shunt key, but in the pic
  11. It looks like Dunkeld & Birnam on the Highland Mainline has a shunt disc that reads into the section, so it must have been allowed on the Scottish Tokenless Block system. The diagram is below, the disc is no.12. https://www.flickr.com/photos/lickeybanker/49676480758/in/[email protected]/ the disc can be seen just by the bufferbeam of the 37 in this photo, and has an arrow showing that it is for the siding. Based on that I think I'll keep the no.11 on my layout as it is. I think if I put a shunt ahead arm under no.4 I'd have to do the same for no.5?
  12. Thanks Mike. If a shunt disc signal is not sufficient to enter the section on tokenless block, does No.11 on my diagram need to be a full size arm? Or perhaps it would be better to move the points from the yard back behind no.4, so the disc reads up to a main arm, as Jeremy suggested in a post above. I guess the shunt disc at Lairg is sufficient to enter the section on ETS working? If my understanding of the Scottish tokenless system is right then the token is released from a lever in the frame. The lever can only be pulled after a release is given by both boxes. I’m
  13. I would have assumed that in later days, after Highland Railway perhaps LMS/BR, there would have been some level of electrical locking added to the original arrangement that would lock any signal capable of sending you into the section to the token machine? Perhaps not though! I think Lairg must have been resignalled/modified at some point; the signals in the picture I posted are LMS type, not Highland. On the tokenless block system there is a physical shunt token that can be released even if the single line is occupied by a train heading away from you, with agreement
  14. Thanks again for the replies, I had previously wondered if it was a signal to shunt into the section, but I didn't know if that was right or not. This raises a few more questions, please bear with me! At Lairg, how would the shunt ahead signal be interlocked with the block, which I assume is ETS? If there is no signal beyond, does that mean a train departing from the yard is entering the block on the authority of the shunt disc only - obviously with the staff too? Does this mean I should have a shunt ahead arm under No.4 on my diagram? And if so, does that work with tokenless bl
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