Category Archives: Glenmutchkin
A while back I outlined the struggle (that may have been largely in my head!) with wiring the single slip into the MPD. After some frantic reappraisal of this as the layout was being set up at Scaleforum (thanks Chris!), it was fully operational.
Given this is a further blog post on this slip, you can tell there is a but……….. In this case it was that route setting the turnout such that it was electrically correct was not intuitive. The difficulty lay in the straight through route – to set it electrically for the route through on the main required a different arrangement of the switches to that for the straight run from the loop to the MPD. This was even though the physical route setting could be exactly the same, so it become quite confusing! Not having a power district breaker meant that the layout locked down rather too frequently as a result.
Although I don’t see it myself, the guys think that one of my main operating crew has a bit of a reputation for being a moaner when things aren’t as easy as they could be…… With this in mind, it is clear that I have to do something about this to keep the peace. In addition to the use of LED route identification lights on the control panel, I have found a third way of powering the crossings on the slip. Its this
This is a frog juicer (apologies for the Americanism!) and is simply a device that detects a short-circuit when a vehicle hits the crossing. Instead of tripping out (as a power district breaker would), it swaps the polarity. This happens faster than a circuit breaker can trip or the locomotive motor react so can be relied upon to switch the crossing without any visible effect on operation.
The net impact of this is that my slip only needs to be set for the route that is being used. The crossings will not be changed by this route setting, instead as the first wheel touches each crossing it gets switched to the correct polarity.
Well the layout made it to and from Scaleforum – possibly I did too!
Last Friday, the inside of the hire van looked like this. Whilst the cases worked a treat, the dismantling of the layout from being set up on my own took a long time – much longer than I had hoped or expected.
Once at the venue, I was able to press gang some “volunteers” to erect the layout and this was much easier.
Getting the beams levelled up was speedy even though none of my press team had any experience of my logic! Indeed, with their help, it assembled itself quicker than Portchullin does although the jury is out in my mind as to whether this is simply because it as yet has rather less on it!
The layout’s size quite quickly became apparent; especially its depth – as can be seen here with Chris in the background for a sense of sale! Please don’t tell my wife this is actually quite big, I have been telling her it is pretty normally sized!
I did not manage to get front side all that often so I have only fairly limited numbers of photographs. Fortunately Samuel Bennett has come to my rescue and has provided a number of photographs to show what it looked like to the visitor.
We only had three correct Highland locos chipped up (and one of these decided to sulk after a couple of hours!) so we did break out the blue diesels to make sure we had a fully operational layout. Above there are a few of the locos awaiting chipping on shed and below we have the scene 50 years later!
……..and below is simply confused!
Although the layout did not operate perfectly, it did behave much better than I (and my operating team) had feared! The two page list of faults and issues to resolve with the trackwork, wiring or stock is a fraction of the list that would have existed after Portchullin’s first outing (if I ever had one!).
The signals received a lot of comment, even if there was one missing because I managed to damage it as I was packing the layout. There’ll be another post on these soon.
With the need to load the layout in the back of a van to get it to Scaleforum looming, I have been pressing ahead with the creation of travelling boxes for the boards.
Despite being pretty simple, they do take a long time to make but those for the main visible boards are at least all now complete – and here they are on parade!
Well, it is twitching quite a lot anyway……………..
A significant day in the life of Glenmutchkin over this weekend, as I have got a significant proportion of the trackwork which has been laid operational. Admittedly I have an electrical issue in the branch bay (something is wired backwards!), the fiddle yard has not yet been linked to the layout and the single slip still has not be corrected but it works…………..
This is my Loghgorm Bogie (Clyde Bogie series) built by John James. The body is not quite sitting right on it, which is why there is a bit of bouncing; which is a bit worse when it runs faster as below.
Lots to do, but we are getting there! There will be a working layout for Scaleforum!
So with nine weeks to go (a couple of which will be lost with a summer holiday) to Glenmutchkin’s first outing at Scaleforum, the state of progress is at the forefront my mind! It is probably rather more at the forefront of the exhibition manager’s mind!
So help to calm the Scaleforum’s exhibition manager’s nerves, here is a progress report and update photographs to prove that even if I have not been providing many posts, progress is being made on a number of fronts:
Most of the track is laid and wired; much of it is also ballasted, although it still needs colouring.
Most of the signals are finished but not yet linked up (which explains some of the droopy angles of the arms!). There will be more posts on this topic soon.
The principal bridge has been finished for a while, but it is looking a bit more “at home”.
…..especially with a fine loco to set it off.
One of the worst parts of Portchullin is the lack of thought I gave to transporting the layout about. One of its attractions is the curve which makes it unusual but this makes the boards big, cumbersome and above all awkwardly shaped to transport. It also made them difficult to create packing solutions for and the limited solutions that I adopted have never been good enough which has plagued the layout throughout its life.
It was a mistake I am anxious not to repeat with Glenmutchkin and now that it is beginning to accumulate some finished elements, it is definitely time to deal with this and create some cases to enclose the boards when they are either stored or transported. My requirements for these were that they provide rugged protection to allow the layout to be transported without risk of being damaged. I also wanted them to be easier to move, in particular on my own, and to pack away themselves without taking up significant amounts of space.
There are (presently, there are plans……) six scenic boards and the crate for the first two – for the smallest boards – is now complete. The concept I came up with is to use end pieces that secure the two boards on top of each other, face to face. To this, I have added larger panels to close in the sides and prevent these exposed parts from damage. To try and speed up assembly and also reduce the space that they need, each end is hinged to and end piece but conceived such that they fold onto each other so that they pack into the minimum possible space.
One of the other features I included was nicked from the St Merryn team was to introduce packing pieces to make sure that the ends stand clear of the rail ends. A simple feature that I had not seen described before.
To make the combined case and boards easier to transport I have introduced some trolley wheels – the operating crew are pretty excited with this and can hardly believe how much they are going to be spoilt! The other little trick I am please to have employed is to introduce slight feet to enable fingers to get below the box to lift it.
I have concluded that only the two smallest boards can be paired up in this manner as they are already quite heavy and will get more so as I add the remainder of the features to their topsides. Thus the remaining board cases will be slightly different.
It is a fair time since I built my last building, so feeling that it was time that I rediscovered my mojo for architectural things I have made a crack at a building that will be a fairly key feature on Glenmutchkin – its pharmacy .
This is inspired, and largely a facsimile of, The Kyle Pharmacy that could be found on the approach to the ferry pier. Or at least it could until the 1970s when it was swept away to make a larger car holding pool for the ferry. In addition to being a characterful building, as you can see below, the real pharmacy at Kyle was a key part of the local community and I wanted to capture this feature in Glenmutchkin.
The pharmacy building is going to be located on the most prominent position at the front of the layout, so it definitely deserved some time being spent on it. Taking Peter Bond’s advice, it is going to be assembled in components which will make painting a great deal easier but rather than using plasticard throughout as he would have done, I have arranged to have the shop front and bay etched. I did so as I concluded that getting the slenderness and crispness of these was going to be key to get the feel of the model convincing. Peter is a professional architectural modeller and bending plasticard to his will is therefore his stock in trade – not quite so me!
So these are the basic etches back from PPD:
Some of the bay assemblies and the bay largely completed:
The real value of etching the components can be seen in the shopfront – I at least can’t get plasticard to look like this!
My last post recounted the difficulties that I was encountering correctly wiring up a slip and the technique I had arrived at to overcome this, This precipitated various bits of advice including an alternative approach provided by Richard.
Richard’s solution is certainly a little easier than my approach to wire and does not need an additional point motor to run the extra switching required. It is, however, slightly less idiotproof in use than my version – this is because once the approach turnout is set for the branch in my version, the whole of the run was also set electrically. On Richard’s version, it is also necessary to decide whether the main line to yard is to be set for the yard.
This is what it looks like as a wiring diagram and it is important to note that the approach turnout (A) is also operating one of the slip’s switches too.
I need to fire up the soldering iron now and undertake the correction, so that we can play with trains!