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Dave John

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Posts posted by Dave John

  1. Evocative pictures as ever. 

     

    One very small observation; the handle of the luggage trolley seems to be sticking out at a eyecatching 45 deg, it might well take someones eye out. Surely it would be fully upright against the frame to put the brakes on if it had them, or at least not present a hazard? 

     

    Really the rest is very impressive. 

  2. On my previous layout I had a siding on a slight incline which meant wagons needed a handbrake.They could be released to roll down as needed.  I used an old H+M point motor under the board mounted upright which pushed a bit of piano wire up a brass tube to catch the axle. Two buttons, up and down, simple remote handbrake. 

     

    Lots of modern ways of doing it, but it works. 

    • Like 3
  3. In a similar way to the above post, but without electricity. Might be of interest. 

     

    Kelvinbridge, ex CR. The photo is I think early 1960s, it never changed from its original layout. The same idea, a twin trap point set into point blades. There is no headshunt, the tunnel under kelvingrove park is just behind the photographer. So any shunting movement into the yard would have been in darkness. Fun in steam days. Note the rather large piles of coal, complete mystery to me how they stayed up since there was no sign of staithes or other supports. 

     

    post-30265-0-24470700-1508193145.jpg

     

    I live 2 streets away on the right. I did think about modelling it, but went for Partick instead. 

    • Like 1
  4. Thanks Paulie. 

     

    There is a bit of a background to most of the sounds I would be interested in. 

     

    All this is a bit long term, my Caley stuff is all dc and some is small, decoders and speakers would need rebuilds. To add to the fun I have several locos which had two westinghouse pumps. 

     

    Might all be a bit pie in the sky, but I thought I'd investigate the possibilities.

     

    Cheers. 

  5. Ok, this is a question for the sound experts out there. 

     

    Lets say that I have a rare record of Caledonian engines in action. Well, I do. Argo Transacord EAF  74 as it happens . There are sound clips on there which can no longer be recorded such as a westinghouse pump in full action. 

     

    So if I were to transfer that recording to my computer, remaster it, split it into tracks and the play specific sounds while I am playing trains thats fine I think, personal use.  I have done so. 

     

    Now lets say that I send a copy of those tracks to a sound chip expert who puts them on a chip and then makes that available to all interested parties am I infringing copyright? Would anyone in the sound chip business even be interested given the market might run to half a dozen ?

     

    Bear in mind that I have no real experience of on board sound, I am asking the question in the vague possibility that someone either tells me that its possible but pricey or that you all tell me I'm an idiot and that I should go back to worrying about the correct number of bolts on scale chairs. 

     

    So, opinions gents ? 

     

     

  6. I had the same sort of issues when having a go at building a curved viaduct. It is simulating concrete but the general construction of foamboard clad with embossed styrene is as suggested by various posters above. The underside of the arches is made with corrugated iron plasticard with the back as the face side to give the effect of the timber formworks cast into the concrete. 

     

    There are a few pics of the whole thing going together on my blog;

     

    http://www.rmweb.co.uk/community/index.php?/blog/2091/entry-19618-a-viaduct-and-a-background/

     

    and associated posts. 

  7. Hmm, atmospheric pics as ever. I do like this thread.

     

    Ballast that needs cleaning, that wanders off into odd colours, gets where it shouldn't and vanishes from where it should be ? Historically the railways had a lot of folk that spent their lives cleaning it, removing it from where it shouldn't be and putting it back where it should be. Call it a work in progress GN, I suspect the PW way gang has wandered of for a friday game of golf and a few pints. 

     

    Actually the yellowish tinge would be rather nice if you were modelling the CR: various observers note that CR ballast was a bit yellow from Blast furnace slag mixed in with ash on minor lines. My guess would be chromium salts, but it is just a guess. 

     

    I'm sure that you will get it resprayed in the end, but meantime it doesn't detract from the overall feel of the pictures. 

    • Like 1
  8. Hmm, so what we want is a simple roundy layout. Just an inner and outer loop. Stations close together, some as close as 800 yards.  Track gauge that scales out to four feet so OO is actually right. Easy to handle 3 coach trains. A simple signalling system that says stop or go and actually stops the trains if they go when they should not. 

     

     

    Fantasy?  Nope, its called the Glasgow subway....... 

     

    Sorry , couldn't resist. 

     

     

     

    Actually one of my walks, I do a lot these days, is to walk the subway. I live a stones throw from kelvinbridge so thats number 1. You can follow it on google earth but I calculate that visiting every subway station on foot is about 25 miles of walking. Takes a full day but you do get to see a lot of the city. The Caledonian pup slept for ages after that one.

    • Like 4
  9. Well, as my mother was fond of saying, the road to hell is paved with good intentions. 

     

    Perhaps as a tentative suggestion it might be an idea to restart the thread. Look at the signals, both semaphore and lights which are available off the shelf to modellers. Then suggest via some practical examples the way in which they could be used in a manner which would, within the limits of an average model railway, control the movements of trains within the context of a model railway. 

     

    Surely the idea is to get folk going with signalling, which was I think the ops concept.  Its a complex subject and of course is both time and location specific. But getting started and thinking about the absolute details on a case by case basis might be a practical approach ? 

     

    Just a thought. 

    • Like 1
  10. But back to the op. If someone is going to produce a rtr single it will be OO . So its going to be popular and creating a scene or mini layout around it is a good entry into pre-group modelling. Ok, we might snipe at rtr, but it will give a new modeller a feeling for the overall size and look of pre grouping stock. So again Vicza I'd go for it.

     

    We all started with OO and got fussy later.

    • Like 1
  11. Go for it vicZA. Good to see someone having a go at pre-group modelling. You have to start somewhere and all of the above advice is good. Search about, there are sites for most of the pre grouping companies with a lot of detail. Most are very helpful, they have folk with a huge knowledge base. I would have got nowhere fast without this lot.

     

    Quick plug;

     

    http://www.crassoc.org.uk/web/index.php

     

    as an example. 

     

    Anyway I warn you, pre group modelling is very addictive. You start off thinking that you can buy stuff, then you discover its all about kit and scratch build. Peco code 75 is a good start, but then you do a bit of research looking at old pics and somehow you realise that you can do better. Then you find out how much satisfaction doing it all yourself gives. 

     

    Oh, and the sleepers  were 8' 11 1/2 inches. The reason ? Tax. 

     

    http://www.rmweb.co.uk/community/index.php?/blog/2091/entry-18495-some-trackwork/

    • Like 2
  12. Its worth keeping on trying SWTDriver. Compensated chassis do work. All the above advice is good, I read up about them and talked to folk before I tried one. Half a dozen bad compensated chassis later I built one that ran like a dream. Thirty years later it still does. 

     

    So whats my advice ? Simply that when you do crack it the satisfaction more than makes up for the learning curve. 

     

    The thing that I finally realised I was doing wrong was the coupling rods. The cure ? Buy a box of 1.5 mm drills and never use them for anything else. ( or whatever size, they fit gibson crankpins ) Make the rods up and drill the first hole of both pairs into a block of good wood, preferably formica faced. Leave the first drill bit through the rods and the wood. Next drill bit, second hole through both, leave it in place. Next drill bit etc. Mark the rods , I dot a bit of paint on the rear. Then reference everything else from the rods. I have a set of old romford axles with the ends turned down to 1.5 mm, use the coupling rods to set the axle bearings up. 

     

    Its not my Idea, I borrowed it from lots of other folk. Try it, might help. 

  13. Interesting. 

     

    I can see those pens being used for making the framework for scenic items such as trees and shrubs then having flocks and foams added. Perhaps for forming the base for coal loads, covering of real coal. Even for making the basic forms of terrain, less mess and a lot lighter than plaster mixes. 

     

    A  bit like the silhouette really, intended for card cutting for artwork, now a major tool on the modelmaking bench. 

     

    Worth keeping an eye open for an inexpensive one. 

  14. The devil in me ( Its the whisky ye ken ) just wants to nick all the pictures of these buildings and then set up a spoof estates agents website. Really it would be fun to see how few folk realise they are actually models and start to bid stupidly large amounts of money for them.

     

     

    Ok, its a daft thought, but I'm off to bed giggling at the idea......... 

  15. This is a picture of the CR crossing the Kelvin adjacent to what was Partick Central station. It is a girder bridge with a support formed by two circular stone pillars. The girder ends are equally supported on the pillars. The pillars themselves are not in line with the flow of the river, water just swirls about them. You can still see the bridge on google earth, the angle of the pillars is about 45 deg to the water flow. So I'd say fit the pillars to suit the girders not the water. 

     

    post-30265-0-86341600-1502960462_thumb.jpg

     

    Sorry about the picture quality, I wanted to capture the Kelvin in spate which tends to mean in the pouring rain. 

    • Like 3
  16. Some very interesting modelmaking. 

     

    I too enjoy a bit of lathework, there is satisfaction in removing material from the solid bar to create a part. But 3d printing isn't cheating, its just the opposite process, putting liquid material together to form a shape. Mouldless casting really.  So I think that machining from solid and 3d printing are complimentary techniques, just a case of choosing the best process for the task. 

  17. Sometimes it is just about setting yourself a challenge. It may work out, if not chalk it up to experience and have a go at something different. If everyone just stuck to what was known to work we would all still be using 3 rail tinplate track. 

     

    Anyway, for a bit of general silliness I made this one go up and down instead of along the track. Pointless but fun. 

     

    https://www.flickr.com/photos/dave_john/8035090191/in/photostream/

    • Like 4
  18. Um. There are pics of bits of engines on my blog. In a sort of EM as it happens. Now I'm not an expert, but I like wheels on rails. Electricity goes up, force goes down. So, I have messed about with all sorts over the years. I like compensation, I have never got on well with springs. I accept thats just me, others do very well with them.

     

    Really once you start building your own chassis it comes down to spending a lot of time working out what suits you. My little old Caley pug has just a fixed rear axle and a swinging tube front axle. It can shift 20 assorted wagons, half of which are whitemetal. 

     

    One thing I learned a long time ago. Its not what the standards say that matters, its what works for you. 

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