Templot Club Archive 2007-2020                             

topic: 1229Movable elbows/diamonds
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posted: 3 Sep 2010 16:39

from:

TonyHagon
 
Near Wick, Caithness - United Kingdom

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I can't see this option in 0.91 but for my GW main line project I need to replace fixed diamond crossings with the movable elbows that were installed by the GWR on fast main lines. I believe that these were only installed when the angle of the crossing was less than 1 in 8. I may be wrong. However, my crossings vary from 1:5 to 1:9 and scream for movable switches..

Best regards

Tony Hagon

posted: 3 Sep 2010 16:52

from:

Martin Wynne
 
West Of The Severn - United Kingdom

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TonyHagon wrote:
I can't see this option in 0.91 but for my GW main line project I need to replace fixed diamond crossings with the movable elbows that were installed by the GWR on fast main lines. I believe that these were only installed when the angle of the crossing was less than 1 in 8. I may be wrong. However, my crossings vary from 1:5 to 1:9 and scream for movable switches.
Hi Tony,

See: real > K-crossing options > menu options.

On the automatic setting (default) Templot changes the K-crossings from fixed to movable (switch-diamonds) when the crossing angle is flatter than 1:8 RAM.

regards,

Martin.

posted: 3 Sep 2010 23:21

from:

TonyHagon
 
Near Wick, Caithness - United Kingdom

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Oops.. my mistake, Martin.. thanks.. I guess I am still a beginner on Templot and haven't explored all the menu options yet..
Regards
Tony

posted: 3 Sep 2010 23:36

from:

TonyHagon
 
Near Wick, Caithness - United Kingdom

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Just a quick note.. did the prototype permit movable elbows with slips?
Regards
Tony

posted: 4 Sep 2010 00:25

from:

Martin Wynne
 
West Of The Severn - United Kingdom

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TonyHagon wrote:
Just a quick note.. did the prototype permit movable elbows with slips?
Hi Tony,

Here is an excellent picture from Mick Nicholson showing a flat-bottom double-slip with movable K-crossings:

fb_movablek_dslip.jpgfb_movablek_dslip.jpg
© thanks to Mick Nicholson

If you search on here for "switch diamond" you will find several discussions, see for example:

 topic 288

regards,

Martin.

posted: 4 Sep 2010 12:51

from:

TonyHagon
 
Near Wick, Caithness - United Kingdom

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Martin Wynne wrote:
Here is an excellent picture from Mick Nicholson showing a flat-bottom double-slip with movable K-crossings:
A truly excellent photo, Martin, many thanks.. complete with point heaters! Now, all I have to do is build a pair of them in P4..
 
Regards

Tony

posted: 4 Sep 2010 17:56

from:

John Lewis
 
Croydon - United Kingdom

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The current copy of "Great Western Railway Journal" (No.75)Pages 150-1 has a couple of pictures of the Southcote Junction Pumping station, near Reading. These include incidentally quite close up the switched diamond at this junction. Two things:

There seem to be about 8 operating rods for the crossing itself - presumably something to do with detection and locking? and

There are short lengths of rail which seem to stop the movable switches from moving too far.


John

posted: 5 Sep 2010 02:20

from:

Martin Wynne
 
West Of The Severn - United Kingdom

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TonyHagon wrote:
A truly excellent photo, Martin, many thanks.. complete with point heaters!
Hi Tony,

Thanks are due to Mick Nicholson, not me. However, there are no point-heaters in the picture. I think you are referring to the clamp-lock hydraulic switch drives:

clamp_lock_dwg.pngclamp_lock_dwg.png

More pictures and detail close-ups of the clamp-lock mechanism:

 topic 644

regards,

Martin.



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