Templot Club Archive 2007-2020                             

topic: 3395Runround Loops at terminus
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posted: 10 Mar 2019 13:01

from:

David
 
 

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Hiya Guys

Hoping someone might be able to help.

Trying to plan a em track plan, end to end(Gwr).  Just interested in what the prototype size turnouts would have been in the 'runround loop' at a terminus station(1930's), B6 or B7(maybe a 9ft sw).

I think smaller turnouts were used in yards/sidings....

Its the old space can of worms :?  (Planning on 30-36" platform).  I guess its what's a acceptable compromise, bearing in mind scale and look.

Any thoughts appreciated

Dave



posted: 10 Mar 2019 13:32

from:

Martin Wynne
 
West Of The Severn - United Kingdom

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David wrote:
Trying to plan a em track plan, end to end(Gwr).  Just interested in what the prototype size turnouts would have been in the 'runround loop' at a terminus station(1930's), B6 or B7(maybe a 9ft sw)
Hi Dave,

The GWR introduced their flexible switches only about 1930. I doubt they started their renewals at the far end of branch terminii, so it's almost certain to be a GWR old-type switch. For a country branch terminus, it's likely that it was still the same when the branch closed in the 1950s/60s.

If the turnout is alongside the platform, the most likely prototype would be a GWR 14ft switch + 1:8, or longer. Otherwise the overhang of locos using it needs a big cut-out in the platform edge. Unless the branch never saw anything longer than small tank engines.

If the turnout is beyond the platform, it might be shorter, perhaps a GWR 12ft switch + 1:7.

However, if you are short of space you might be forced to use something even shorter, perhaps a GWR 10ft switch + 1:6.

The 9ft switches were generally found only in sidings, not running lines.

template > switch settings... menu item > GWR old-type

cheers,

Martin.

posted: 10 Mar 2019 13:58

from:

David
 
 

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Many thx Martin

Very interesting, its a matter thats bugged me for quite a while. :D
This will be filed  in the memory cabinet.

Quite interesting for the reasons laid out.

Dave





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