Templot Club Archive 2007-2020                             

topic: 3077Single slip
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posted: 12 Sep 2017 22:16

from:

Andrew Duncan
 
Reigate - United Kingdom

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Hello.    
On Yeovil Pen Mill I've got a single slip (crossing 1: 8 ) on a 45" radius curve. Having read somewhere here, that diamond crossings of 1 in 8 or shallower should have moving K crossings,  I am wondering if I should be considering having these on the single slip and indeed it if that's doable / prototypical.

Any knowledgeable fellow help me out?
Andrew

posted: 12 Sep 2017 23:37

from:

Martin Wynne
 
West Of The Severn - United Kingdom

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Hi Andrew,

Yes, certainly you should use movable K-crossings at 1:8 on 45" radius. For a slip it actually makes it easier to build because you don't have to find space for the K-crossing check rails.

So easier to build and more reliable running, win-win. Just need to provide the additional point motor(s).

Here's a nice pic from Mick Nicholson showing a prototype double-slip with movable K-crossings (flat-bottom):

fb_movablek_dslip.jpgfb_movablek_dslip.jpg

It is also a good picture for judging the size of ballast stones -- those timbers are 12" (4mm) wide.

p.s. according to the database this is my 6,000th post to Templot Club, no wonder I'm feeling tired today. :)

We started 10 years ago on 11th May 2007 (with 7 years of Templot Email Group before that).

regards,

Martin.

posted: 13 Sep 2017 09:28

from:

Andrew Duncan
 
Reigate - United Kingdom

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Thanks very much Martin and congratulations on your 6000th post and tireless(?) answering of all our questions.

Kind regards
Andrew


posted: 15 Sep 2017 18:52

from:

Phil O
 
Plymouth - United Kingdom

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My god, have I been playing with Templot, for in excess of 10 years. Tempus Fugit.

Phil.

posted: 15 Sep 2017 21:53

from:

d827kelly
 
Coventry - United Kingdom

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At some point I want to attempt to make this:

Ft85BhFt85BhCharlton Junction on Flickr

It being at Charlton, SE London. A switched diamond.



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