Birmingham New Street and Brettell Road in P4

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Bufferstop
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Re: Birmingham New Street and Brettell Road in P4

Postby Bufferstop » Sun Dec 31, 2017 12:15 am

Hi Jim, the twin front axles were the result of tyre technology not being able to keep up with the rest of the vehicle. A front tyre blow out could be particularly dangerous so an extra pair of wheels under the cab was always welcome. A blow out at the rear wasn't so dangerous and many larger vehicles had twin wheels on the rear. When Midland Red started its B'ham to London service via the M1 there was a lot of comment about the fact that they only had two front wheels on their coaches and what would happen when the tyres gave out. The answer was fairly simple the tyres were over specified and changed after a couple of weeks service, being handed down to less demanding services. The tyre swap was probably done at the same time as the engine was swapped. They routinely changed cylinder liners and bearing shells to combat the wear from what was a punishing utilisation of a fairly ordinary engine. The three axle design seemed to be abandoned in the early sixties, the last sighting of one for me and probably most people of my age was the coach that starred in the Italian Job, which wasn't exactly state of the art when the film was made.
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Jim S-W
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Re: Birmingham New Street and Brettell Road in P4

Postby Jim S-W » Sun Dec 31, 2017 9:21 am

Thanks. That explains it then :wink:

Jim

m.levin
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Re: Birmingham New Street and Brettell Road in P4

Postby m.levin » Sun Dec 31, 2017 3:47 pm

Jim S-W wrote:
m.levin wrote:You any photos of your wet patches under good lighting?


Here you go

F2FD5AAC-345C-42B9-8365-C22986E8A1D2.jpeg80B31C4B-12E0-47E0-8366-34A3AC6BD784.jpeg


Thanks Jim

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Peterm
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Re: Birmingham New Street and Brettell Road in P4

Postby Peterm » Mon Jan 01, 2018 7:17 am

Nearly right John. The original idea for the twin steer such as the Leyland Steer, known amongst us drivers as a Chinese six, was so that as deliveries were made throughout the day, the front axle (single) didn't end up being overloaded. I've always thought this was a better design than a six wheeler with a single steer and two rear/driving axles or what we called a dead end kid with which you could get dry bogged (drive axle hanging in mid air over a gutter while the dead end kid supported the weight). I did my time working on Leylands and Albions, plus a few others part of which was stripping down the steers to the chassis for 3 yearly overhauls. They left us better than new... they were run in.
Pete.

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Bufferstop
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Re: Birmingham New Street and Brettell Road in P4

Postby Bufferstop » Mon Jan 01, 2018 12:50 pm

Pete I've never heard that explanation in relation to the lorries, but it makes sense, for passenger vehicles I'm sure the safety aspect was the deciding factor as loading was more random.
I came across the suspended driving axle problem, one of our neighbours when I was growing up, was a partner in a company which specialised in third axle conversions, (adding an extra supporting axle on an extension frame behind the driven axle). He would often come round to bounce ideas of my father who was working on vehicle transmission systems. I think at one stage they were looking at a modified differential to allow the through driveshaft, technically possible but an expense too far for the majority of their customers.
Growing old, can't avoid it. Growing up, forget it!
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Peterm
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Re: Birmingham New Street and Brettell Road in P4

Postby Peterm » Mon Jan 01, 2018 11:53 pm

Nearly all heavy trucks over here are bogie drive (double drive over there) and the driver can select diff lock so that the single driven axle has both wheels driving, or they can lock all four drive wheels to get out of trouble. I used to do a drop to a place where I had to use the cross lock every time to get out of where I'd been due to it being a reverse downhill on slippery ground and a drive out uphill. Can't use it on hard surface for long because it ties up, but good when it's soft or really slippery. A drawback is trying to go round corners with the cross lock on. They don't like it up 'em Mr Mainwaring. :)
Pete.

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Lysander
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Re: Birmingham New Street and Brettell Road in P4

Postby Lysander » Tue Jan 02, 2018 9:42 am

Interesting discussion. Stuff that will one day be lost history.

Tony
Men with false teeth may yet speak the truth.......

Harringay Dave
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Re: Birmingham New Street and Brettell Road in P4

Postby Harringay Dave » Mon Mar 05, 2018 1:47 pm

I'm going back a bit here but the bridges you've used are magic and once again evoke my memories of the dying convulsions of the area's industrial past when I was a young'un in the 90s.

The Brettell Lane bridge was rebuilt in 2003 to a modern concrete design, but the other bridges largely remain with their painted iron(?) parapets which you've captured beautifully.

As I always say, the affinity I draw to what was around the Brettell Lane/Bull Street area from your work is the best bit for me, even if you're not specifically trying to replicate it.

EDIT: Of course if I'd read the captions underneath rather than be blinded by the joy of them, I'd have noted that's exactly what you modelled them on :D

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Jim S-W
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Re: Birmingham New Street and Brettell Road in P4

Postby Jim S-W » Wed Mar 07, 2018 9:23 am

Thanks Dave

Glad you are enjoying it. If you are still in the area the layout will appear at the Cradley show in October.

Jim

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Jim S-W
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Re: Birmingham New Street and Brettell Road in P4

Postby Jim S-W » Thu Mar 08, 2018 10:18 pm

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Ive been building 3 hoppers via 3 different routes. On the left a coke hopper from the old Three Aitch kit. I've already done one of these and this follows the same pattern of using Bill Bedford W irons.

In the center also a kit but a brass one from Dave Bradwell for the BR 13 ton hopper. A fun if not sometimes tricky kit to build.

On the right a mackerel ballast hopper converted from a Hornby trout, again with Bill Bedford w irons. I make no claims for the idea behind this as I first saw this on Kier Hardy's EM 70s website.

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Jim S-W
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Re: Birmingham New Street and Brettell Road in P4

Postby Jim S-W » Thu Mar 22, 2018 10:58 pm

After Scaleforum i became aware that the vegetation on Brettell Road probably was a bit to green and lush for a late October setting. To remind you roughly what it looked like back then here are a few images from earlier in the layout build.
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OK so it wasn't exactly late spring or anything but armed with some scenic sheets from Martin Welberg (https://martinwelberg.wordpress.com/) and some more muted static grass from WWS supplies (http://www.war-world.co.uk/) I set to work making it all look a bit more, well, dead!
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As you can see I've made he disused line look a lot more overgrown. The eagle eyed will spot a bit of extra iron work supporting the wall. I always intended to add this from the early days of the layout.
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I'm happier with it now.

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flying scotsman123
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Re: Birmingham New Street and Brettell Road in P4

Postby flying scotsman123 » Fri Mar 23, 2018 1:03 am

I can definitely appreciate the improvement, grass often seems to look too green on models, not helped by the supply of static grass, so thanks for the link, I shall investigate further.
"listen carefully, i shall say this only once"

Image

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Jim S-W
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Re: Birmingham New Street and Brettell Road in P4

Postby Jim S-W » Wed Mar 28, 2018 8:55 pm

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I've finished off the hoppers I was working on. Here's the coke hopper in the company of the previous one I had already done. As the older one is an LMS version I revisited the weathering to make it look a little more used.
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The 13ton hopper
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Mackerel with a gannet and herring.
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A few I haven't mentioned before. The M. E. Evans one is a Bachmann collectors club model in memory of Merl Evans. I spent a very enjoyable day at Tysley with Merl surveying a couple of class 150's so this little wagon seemed a no brainer to me. Straight wheel and coupling swap with a bit of weathering. The ED wagon is a Powsides kit for one of the Earl of Dudley's fleet. Another no brainer. Whether either wagon would have lasted to the late 50's I dont know.

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Jim S-W
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Re: Birmingham New Street and Brettell Road in P4

Postby Jim S-W » Tue Apr 03, 2018 8:05 pm

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Although the factory was essentially finished for Scaleforum it lacked the clutter that gives it an 'in use' look. Unless the workers were meticulously tidy I suppose. So I have gone back to make a bit of a mess. The image above is the before shot...
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...and the after.
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I've added a wall and gate to the entrance. The old lorry was featured earlier.
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The wooden boxes are from 4Ground models. I knocked up a rudimentary travelling crane from bits of brass and plastic. The discarded machine tools were 3 d prints and originally intended to go inside the building but I thought they were a bit too nice to hide away so I weathered them up an dumped them outside.
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Another crane from bits of brass and some basic yard lights. Below are a few images of the factory at night. The yard lights do provide a bit more light to the centre of the layout.
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Pete
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Re: Birmingham New Street and Brettell Road in P4

Postby Pete » Tue Apr 03, 2018 8:57 pm

Atmospheric pictures Jim.

You mention 3D print machine tools, are these ones you've commissioned/printed yourself or are they available on the market?

Pete
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