Baseboard
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Tame Valley Baseboard
The River Tame and the Huddesfield Canal both sit in the Tame Valley spanned by the Saddleworth Viaduct. This is the next most challenging baseboard on the layout. It’s not as heavy and large as the Big Boy but it has its own challenges. The plan dimensions are 2.4m by around 1.1m but a lot more variable due to the valley undulations. As I have had to compress things to get a reasonable size layout, so the topology is also compressed. Now, if I had the time, I might have planned the cross sections to be following that topography exactly. As you can see from the plan, that involves roads,…
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Roughing it
I constantly judge the perspective of the layout before anything is completely fixed. That means that the hill and cutting on the station section needs to be roughed out early on. I took some Bunnings XPS and used a hobby knife to shape the hills roughly. This is still a work in progress and I find myself constantly adjusting the look of it. Trying to balance the prototype with the curved constraints of the model is a challenge. Also a challenge is taking care with the knife.
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Big Boy Baseboard
The Framework Split In order to avoid lots of joins in the scenic section framework, I decided to split that part into 2 large sections. Each about 2400mm long and about 1100mm deep. This is not really recommended if you’re going to move things around a lot on exhibitions. Especially if you don’t have the appropriate trailer. I’m not thinking about exhibitions (at least not yet). The other reason do two sections that big is that it resulted in a split nicely between the station and the viaduct. Big Boy Of the two, the biggest section contains the station and goods yard as it’s mostly sitting above the valley that…
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Joining the baseboards
Once I’d built the 4 simple sections (all 80mm deep), I was ready to test my connections idea. I wanted to make the sections relatively easy to pull apart and join back together so I went with alignment dowels and offset latches. Both of these aren’t simple Bunnings or Mitre10 buys (B&Q or Home Dept) so I needed to turn elsewhere. Brass dowels as used by British modelers and screwed in are not cheap and postage makes it worse. In the end I went with eBay push-in aluminium dowels secures with liquid nails. Maybe not as robust as the brass option but seems to work OK. The offset latches were…
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OK, time to build with plywood
Done the research. Made the plans. Will it actually come together? Ok, gotta start somewhere so let’s start with the easy one: the simple back wall plywood baseboard sections. Each section of the layout is designed to be light and detachable. To do this I decided on 9mm marine plywood. I know a lot of people talk about birch being a better material but frankly too expensive here in Australia for my taste. I also thought about make the cross sections out of thinner plywood to make things even lighter but decided against it. That would have made joins more complex and more difficult to nail. It would have also…