Templot Club Archive 2007-2020                             

topic: 1899Timber error on switched diamond
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posted: 4 Apr 2012 13:01

from:

Ian Allen
 
Milton Keynes - United Kingdom

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Martin,

Not sure if this has been picked up on before, but I am noticing spurious timbers appear when I convert a fixed K crossing diamond to a moveable K crossing diamond.

I'll put up a screenshot later.

 

Ian


 

posted: 4 Apr 2012 14:08

from:

Martin Wynne
 
West Of The Severn - United Kingdom

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Hi Ian,

No need for a screenshot. :)  I'm aware that there are still some timbering issues following the generator changes for irregular diamonds.

If you change to a switch-diamond for K-crossing angles shorter than about 1:6.5, Templot has no prototype information for the timbering and it needs some timber-shoving input from you to sort things out.

I want to do something about the half-diamond timbering, but short of abandoning all prototype data and simply spacing the timbers evenly, the whole thing is a bit of a conundrum. The problem is made worse by having to allow the prototype/model flangeway option for the timber supporting the ends of the point rails for fixed K-crossings.

Fortunately it can always be sorted out with some timber shoving, but ideally you shouldn't need to do that every time.

regards,

Martin.

posted: 4 Apr 2012 17:15

from:

Ian Allen
 
Milton Keynes - United Kingdom

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Hi Martin,

On the examples I have been looking at it was just a case of omitting the offending timbers. All were below 1:6.

Ian



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