The Bridges at Saltash

Post details of your T gauge layouts and the progress you are making.
Post Reply
User avatar
dkightley
Posts: 1223
Joined: Wed Nov 13, 2013 9:43 pm
Location: Nottingham, UK

The Bridges at Saltash

Post by dkightley »

I've been contemplating where I go to follow up The Bridge......a bit of a problem, really! And I've come up with a concept of a design for a layout that includes the three identifiable bridges that surround the landscape at Saltash, just outside Plymouth.

Here's a 3D concept view of what I'm currently thinking of:
Saltash_Concept1.PNG
Saltash_Concept1.PNG (111.02 KiB) Viewed 15614 times
Left to right.....the Coombe viaduct, the Royal Albert bridge (both built by IKB), and the Tamar bridge. Initial idea is to have some form of return loop behind/under the layout surface, and for the road bridge to have moving traffic!

I'd welcome thoughts, etc.......
Doug Kightley
Webmaster here and volunteer at the National Tramway Museum http://www.tramway.co.uk

Ruskyviewer
Posts: 31
Joined: Sat Apr 09, 2016 9:46 am
Location: Glasgow.

Re: The Bridges at Saltash

Post by Ruskyviewer »

Interesting location there Doug. Quite a busy city landscape with lots of buildings. Looks amazing on Google Street view!
I've had some thoughts about the possibility of looping the track (yellow) out to the edges like "The Bridge" and taking it underneath the inner edge of a curved "C" shaped layout. I've roughly sketched out my idea. This would save work on modelling lots of buildings and roads and help focus the eye on the visible track path over the Saltash bridges. It may also work with an "L" shaped layout.

J.
Saltash bridges layout suggestion - track loop
Saltash bridges layout suggestion - track loop
Saltash bridges layout suggestion 1 track loop.tiff (1.92 MiB) Viewed 15609 times
Saltash bridges layout suggestion - C shape
Saltash bridges layout suggestion - C shape
Saltash bridges layout suggestion 2 C shape.jpg (141.12 KiB) Viewed 15609 times

User avatar
dkightley
Posts: 1223
Joined: Wed Nov 13, 2013 9:43 pm
Location: Nottingham, UK

Re: The Bridges at Saltash

Post by dkightley »

One thing I didn't mention in my first post was the size of the layout....which is marked by the rectangular box that sticks up out of the base scenery. This rectangle is 2.6m x 1.6m....which is the same size as six of the aluminium tables I have for The Bridge put together to form a rectangle with a long thin hole in the middle. This would allow me to use a similar construction technique...and re-use the tables!!

After my first post, I worked out I could rotate the rectangular tube round so that the track disappeared off the edge of the layout in a similar way to Jim's idea of a "C" shaped layout. Spin the whole layout round so the taymar bridge is in front of the rail bridge....and it looks a lot simpler to run the rail round into a fiddle yard across the back of the layout:
Saltash_Concept2.PNG
Saltash_Concept2.PNG (116.77 KiB) Viewed 15605 times
The only issue I now have is that the roads running off each end of the road bridge are now at the front of the layout....and will need to disappear under an overhang...or something like that.
Doug Kightley
Webmaster here and volunteer at the National Tramway Museum http://www.tramway.co.uk

msimister
Posts: 95
Joined: Sun Jun 21, 2015 6:18 pm
Location: Melbourne, Australia

Re: The Bridges at Saltash

Post by msimister »

And there's also the Southern line that goes under the main bridges and alongside the river that would add further interest - and complication. Doug?

User avatar
dkightley
Posts: 1223
Joined: Wed Nov 13, 2013 9:43 pm
Location: Nottingham, UK

Re: The Bridges at Saltash

Post by dkightley »

I'd forgotten that line..... :oops: I need to add it to the "plan".

It's a single track.....so that'll be easy to set up an occasional shuttle back and forth. Just need enough space to allow a reversing point out of sight at each end!
Doug Kightley
Webmaster here and volunteer at the National Tramway Museum http://www.tramway.co.uk

User avatar
dkightley
Posts: 1223
Joined: Wed Nov 13, 2013 9:43 pm
Location: Nottingham, UK

Re: The Bridges at Saltash

Post by dkightley »

And here's a revised view:
Saltash_Concept2a.PNG
Saltash_Concept2a.PNG (113.04 KiB) Viewed 15568 times
Doug Kightley
Webmaster here and volunteer at the National Tramway Museum http://www.tramway.co.uk

User avatar
dkightley
Posts: 1223
Joined: Wed Nov 13, 2013 9:43 pm
Location: Nottingham, UK

Re: Saltash Bridges

Post by dkightley »

With the benefit of six months of taking The Bridge out to shows, I've revised my thoughts to reduce the layout down to a travel volume that will fit in the back of a hatchback.....reducing setup times and exhibitor costs. Here's the current layout plan shown in yet another 3D view.....
3DView_Poss_Final.JPG
3DView_Poss_Final.JPG (43.5 KiB) Viewed 14828 times
This makes the "viewable " area six feet wide and just over three feet deep with the rear corners angled off to form a roughly half-ellipse shape. There's also a one foot wide enclosure at each end hiding the run-arounds, etc.
Doug Kightley
Webmaster here and volunteer at the National Tramway Museum http://www.tramway.co.uk

User avatar
dkightley
Posts: 1223
Joined: Wed Nov 13, 2013 9:43 pm
Location: Nottingham, UK

Re: The Bridges at Saltash

Post by dkightley »

Having spent a lot of time mulling over where I go now following the success of The Bridge.....and "Umming" and "Ahhing" over whether to have a go at Brunel's bridge at Saltash......I've finally come to a conclusion!

My next layout will be called "The Bridges at Saltash" and will be set current day and will feature both Brunel's Britannia bridge and the Tamar suspension bridge.

The Bridge presented me with a few challenges.....3D printing a large structure, creating a multi-board layout that was capable of being operated, transported, and assembled and dismantled by one person......and I think I managed to achieve all of these fairly well. This new layout will also present me with a few challenges that I know will cause me some great interest over the next few months.....

Firstly, there's the transport challenge. I'm aiming to get the layout in a hatchback for transport. This will reduce the cost and hassle of van hire.
Secondly, the railway line is single track over the bridge with a very shallow point immediately at the West end splitting to two tracks in Saltash station. My challenge here is to build a point that looks the job!...and operates as part of automation....which runs neatly to....
Thirdly, I want the layout to be fully automatic in its operation. I intend to have trains running in both directions over the bridge....and back and forth on a branch line running under the East side of the bridges.
And finally..... the model will have the Tamar Bridge, which is a road bridge.......and a road bridge has vehicles on it. My challenge is for those vehicles to be moving! And for there to be four lanes of moving vehicles....and the fast lanes moving faster than the slow lanes!

I've already started doing some design and development work on the road bridge....but I'll not start documenting how I'm doing thins yet - just in case I change my mind! I have, though, decided on the basic layout positioning in relation to the features of the area. Here's a photo of the initial ground image plan, which is essentially based on the latest 3d image in the previous post above:
IMG_3222_red.JPG
IMG_3222_red.JPG (80.38 KiB) Viewed 14765 times
Doug Kightley
Webmaster here and volunteer at the National Tramway Museum http://www.tramway.co.uk

zdrada69
Posts: 69
Joined: Sun May 07, 2017 10:38 pm

Re: The Bridges at Saltash

Post by zdrada69 »

Doug,
This is really an interesting and challanging project. I looked at some photos of real bridge. I could add one idea and challange. Some sailing yachts cruising moving under bridges !

Pawel

User avatar
dkightley
Posts: 1223
Joined: Wed Nov 13, 2013 9:43 pm
Location: Nottingham, UK

Re: The Bridges at Saltash

Post by dkightley »

After getting vehicles moving on the road bridge, moving yachts would be really easy to engineer! No promises....but I'll bear this idea in mind!
Doug Kightley
Webmaster here and volunteer at the National Tramway Museum http://www.tramway.co.uk

Post Reply