Modelling Projects Blog

My past, present and future modelling projects. What has been, what might be, and what probably won’t

3D Printing for N Gauge

I’ve just taken the plunge and ordered a couple of these from Shapeways. No idea as to exactly what the quality will be like, but I’ve got the feeling 3D printed models like this may well represent the future of the model railway hobby.

The prototype is relatively obscure. A small fleet of these wagons carried china clay from Ponts Mill in Cornwall to Corpach near Fort William in Scotland. Rebuilds of earlier cement vans, they had a relatively short life, and represent the sort of vehicle that’s very unlikely to appear in ready-to-run form.

Paul Bartlett's Photographs: PRA China Clay RLS63xx &emdash; RLS6305 PRA

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BLS Re4/4 in N

A pair of BLS Re4/4s

When I’m not running trains in British outline mode, the layout can represent a station somewhere along the Bern Lötchberg Simplon main line. The distinctive brown Re4/4 locomotives are a signature item of motive power for the line. For many years the only available version in N gauge was the very old and long discontiued Arnold model. I managed to acquire a few of these a decade or so ago. Although acceptable in it’s time they’re crude models compared with more recent releases from Fleischmann or Minitrix, and indeed fall well below current British outline models from Farish or Dapol.

BLS Re425Which is why a new model of this iconic locomotive is good news. It’s from Arnold again, now part of the Hornby group, and it’s an all-new retooled version rather than a reissue of the long in the tooth original model.

Needless to say I’ve gone and ordered one.

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Coaching Stock Dilemmas

New and old Farish Mk1s

I’ve already replaced my older BR Blue and Grey Graham Farish coaches with new “Blue Riband” models, since the improved detail and close coupling mechanisms are a vast improvement. So now I’m considering doing the same with the WR chocolate and cream set used when running the layout in 1960s mode, and sell on the older coaches. One thought was a formation that could double up as a charter set when the layout is running in “present day” mode.

Unfortunately if you want to duplicate the real-life formations, that approach runs into problems. Here’s a photo of the Torbay Express behind King Edward I in 2010.

GWR No 6024

There doesn’t seem to be a ready-to-run RBR (Restaurant Buffet Refurbished) anywhere on the horizon, and I’m not expecting a model of that ahistorical Mk2 in chocolate and cream, but a representative 9-car formation behind modern-day steam power could be something like this:

BCK-FO-FO-FO-RMB-TSO-TSO-TSO-BSK

Meanwhile, the late-50s “Cornish Riviera” west of Plymouth was this nicely-modellable 7-car formation, all runnable with stock in the current Farish range (The RU isn’t out yet, but is imminent)

BSK-CK-FK-RU-SK-SK-BSK

Spot the similarities? This is looking like two totally separate formations. Especially when you look more closely at the present-day set and realise they all have Commonweath bogies rather than B1s.

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Placeholders

Placeholder wagons

On Steve Jones’ late lamented Electric Nose blog, he came up with the context of “placeholders” – models you know bear little or no resemblence to the real thing, but stand in for want of a better model. These two beasties are examples.

The china clay slurry tanker on the left is an old Peco wagon repainted in ECC blue with some Fox transfers. It’s not that close to the converted caustic soda TUA it’s supposed to represent, but ironically it’s as accurate as the Peco tank I repainted – that was supposed to have been a representation of those original caustic soda tanks.

On the right is one of the Graham Farish Tullis Russell PAAs which they made in the mid-1990s. The prototype is supposed to be one of the eight wagons used to transport china clay between Cornwall and Scotland for use in the paper industry. Although they’ve got the livery right, the actual model is something of a compromise, being one of their existing aggregate hoppers with a lid.

If you look at a photo of the real thing (from Paul Bartlett’s excellent website), you realise the model looks nothing like it apart from the fact it’s the right shade of blue and has four wheels.

Paul Bartlett's Photographs: Tullis Russell PAA China clay covhop TRL12300 TRL12800 &emdash; TRL12804 PAA

These wagons were signature items for Cornwall in the 1980s, given the rarity of the prototype I can’t see anyone coming up with a better version any time soon, and scratchbuilding replacements would not be an easy job. For the time being, they’re going to have to do.

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Fiddle yard and more oldies.

Lineup of three CJM Class 50s in the fiddle-yard. The track is Kato Unitrack using #6 turnouts.

Now I’ve taken delivery of another shipment of Kato Unitrack, all the track in the main line fiddle yard is down. It it’s current incarnation there are six roads using Kato #6 points and some 282mm radius curves to keep the track spacing tight. The tracks are in excess of ten feet in length, meaning there’s space for two trains in each road at least when running in British-outline mode.

Experience will tell if this formation will work; it’s accepable for a parade-of-trains approach but won’t allow realistic timetabled operation because it lacks the ability to reverse trains. I’ve drawn up an alternative scheme with eight roads and trailing crossovers at each end which will allow end-to-end style operation as well. That may end up reducing capacity slightly because all the additional pointwork at each end will take up more space, but will gain a lot in operational flexibility.

The three locomotives are again CJM models acquired during the 1990s, repainted and detailed Farish shells on CJM Saturn chassis. The trains are three iconic (for me at any rate) late-80s Cornish trains, the “Night Riviera”, the West of England TPO and the afternoon St.Blazey to Gloucester Speedlink.

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Oldies

3 old class 47 models

Now I’ve got some track down on the layout, a few older models are coming out of storage.

These three class 47 locomotives all carry liveries from the early 1990s, and represented the current scene at the time I obtained them. They’re all hand-finished models from CJM, all three based on detailed Graham Farish shells mounted on the (then) superior Minitrix chassis. Despite having been stored for a decade, all three ran straight out of the box, with only 47708 (the one in Network South-East livery) running slighly jerkily, probably down to dirty pickups.

I’m wondering how many of my old Farish models of similar vintage still run, and how many have died due to split gears. The big question now is how many older models are worth resurrecting, and how many should be retired in favour of newer more accurate products coming from Bachmann and Dapol.

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Where Nations Collide

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This is an ambitious project, which is an attempt to combine my British and Swiss modelling interests in a single layout. The idea is for a fixed track plan that will work either as a British or a Swiss outline layout, with scenery and buidings as swappable modules to enable the layout to be run in either mode. Time will tell whether or not this approach will actually work or not, but the intention is an operation-based layout rather than a exhibition-quality display layout.

It centres around a junction station between a double track main line and a single track branch, with a five-road marshalling yard for wagonload freight. In British mode it’s a Par/St.Blazey/Lostwithiel mashup with the yard handling china clay traffic. In Swiss mode it’s somewhere on the Lötchberg line with elements of Frutigen and Kandersteg. The fiddle yard is currently six main line tracks, although I have plans to expand this to eight. I haven’t completely decided how to configure the branch fiddle yard.

SONY DSC

It’s at a very early stage of construction at the moment, since the track plan isn’t completely finalised, and nothing’s actually fixed down or wired up. This is the far end of the line, with the junction with the branch and a couple of roads of the yard in place.

SONY DSC

What will be the station area, with a Dapol class 122 “Bubble car” looking a bit lost. The Speedlink/Enterprise era freight stock in the goods loop is being used to check clearances and siding lengths, and represents the longest train the yard can handle.

SONY DSC

A steam-era freight at the other end of the layout. Despite the mixture of stock while test running, it’s intended to keep to one era during operating sessions, so you won’t be seeing kettles and modern air-braked freight stock at the same time, at least not when anyone is looking.

The track is all Kato Unitrack, some of it ten years old and on it’s fourth layout. No, it doesn’t match hand-ballasted Peco Code 55 in appearance, but that’s not what it’s for. I’m using a mix of #6 and #4 turnouts; all main line points with the exception of one trailing crossover are #6s, while the yard is all #4s. I’m done this because the some older rolling stock with cruder wheel profiles isn’t happy on the lightly-sprung #4s, but #6s don’t give closely-enough spaced tracks for the yard.

More updates will come as construction progresses.

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Mini-Module idea – Llugwy

image from Google Maps

I’ve been wondering about this location for a mini-module based layout. It’s on the Cambrian line between Machynlleth and Dovey Junction where the line follows the river, and happens to be the exact spot where I used to watch trains on family holidays in 1973 and 74. The rolling stock at the time was a mix of DMUs and loco-hauled trains using class 24 locomotives, and I’ve got as far as acquiring a blue class 24, some Dapol gunpowder vans (the signature item for the line) and blue 101 and 108 DMUs for the project.

Looking at the meander of the river and the track curving in the opposite direction, it does make me think of a corner module. The problem is published mini-module standards use Kato’s #2 curves (249mm radius, about 9½”) which in my opinion is far too sharp for scenic modules, although the rolling stock of course has no problems negotiating them.

One option might be to use a much wider radius. The modularity of Kato Unitrack means that if you want an oval, you can build corner modules any radius you like as long as you build the things in pairs. So you could build a rugby-ball shaped layout with two sceniced corners using 381mm (approx 15″) radius corner boards, and two non-scenic 249mm corners. The whole thing will of course be little more than a scenic test track, capable of being set up on the dining room table when required.

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Mini Modules

I’ve been reading a thread on Mini Modules on RMWeb. This is a modular layout concept based around tiny modules, each roughly the size of an A4 piece of paper. Yes, that small!  Using Kato Unitrack, they clip together using Unitrack’s rail joiners to connect the modules. The small size of the individual modules mean you can go to town on the detail, yet still have something finished in relatively short time. While modular layouts can be somewhat toy-like with a lot of focus on gimmicks, Sir Madoc’s thread shows the scope for building far more realistic layouts using this approach.

Mini-modules have been promoted for people who lack the space a permanent layout, but I can also see the potential as an alternative to a more traditional approach for those of us who do have the space.

I’ve been intrigued with the concept for quite a while. I’m interested in both British and Swiss outline modelling, and often considered modular concepts where common elements like fiddle yards could be shared between multiple layouts. Mini-modules based on the popular T-Track standard, or something similar may be a good way of implementing this.

While I’m still looking for a new job I’m staring down the barrel of a potential relocation with no guarantee that any future home will have a suitable space for any layout of fixed size. The inherently flexible nature of mini-modules is a huge bonus here, in that they can be reconfigured to fit a space of any size or shape which might be available for a layout, something which isn’t the case for a large piece of benchwork.

Certainly there are some projects I’ve considered in the past which are ideal candidates for the mini-module approach, most specifically anything that’s centred on a “parade of trains” approach on a simple double-track main line rather than an attempt to model an operational hub. “Marine Parade”, based on Dawlish in Devon is a case in point. A six-foot stretch of main line with a variety of buildings behind the tracks is a relatively ambitious project for it’s size and simplicity, even if the majority of the buildings are adapted from commercially available kits rather than scratchbuilt models of the real buildings. Building it twelve inches at a time, completing and detailing each module before moving on to the next one has a lot of appeal. The same applies to my Swiss outline interests, which have a similar parade of trains approach. A small passing station on the Lötchberg line will fit into three or four module lengths. Big-time main line modelling based one of the classic trans-Alpine routes really rules out modelling an operational hub; they just take up too much space.

And that’s before we get into diversions and side-projects. I’ve always fancied building a small working diorama-style layout based on the Cambrian lines in the early 70s, and already have much of the rolling stock needed. And there are a few spectacular scenic locations in Cornwall that I’ve never quite managed to work into a room-filling layout plan. The Luxulyan valley on the steeply-graded and sharply-curved part of Par to Newquay branch is a prime example. It saw, and indeed still sees quite heavy traffic, both passenger and freight, but the narrow valley means you can capture the essence of it in quite a small space.

I have come to the conclusion that I am never going to complete a large, fully sceniced model railway layout. On layouts I’ve built before, I’ve got as far as scenery on some parts of the layout, but never fully detailed, and whole swathes never got beyond bare boards. Mini-modules may well be just the solution I’ve been looking for.

So now I need to stop talking about them on the Interweb, and build one or two.

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14′ x 9′

Having scrapped my previous model railway layout following an enforced relocation due to work, I’m in a position to make a fresh start. My new place has an attic space giving me a significantly bigger layout space than I had before. It’s approximately fourteen feet long and nine feet wide, although the stairwell and and chimney breast cut two corners out of one side, resulting in an irregular area with the full room length available on one side, and about ten feet clear along the other.

I’ve considered dusting off some pipe-dreams, filling the entire area with one big layout; in N that’s actually quite a big space, and I’ve worked out a way of fitting a Par+St.Blazey layout into the given area.

However, given that I’m into both British and Swiss outline modelling, my current thinking is to build two smaller layouts rather than attempting to fill the entire room with one big one. A larger semi-permanent one with a focus on operation along the rear wall, and a slightly smaller one transportable for exhibition use along the front wall.

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