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topic: 2053Curved Tandem turnout
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posted: 10 Sep 2012 09:48

from:

Brian Hanson
 
Nottingham - United Kingdom

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Hello All,

 

I am trying to construct a curved tandem turnout where all roads curve the same way, I have followed Martin's video for LH and RH combined with no problems.. but how do I overlay 2 LH templates over each other?..:?

It seems that it is only the main roads that snap together whereas I want to have the turnout road of the larger radius snap to the main road of the smaller radius turnout.. is this possible?.. or the more likely.. where am I not looking for the correct commands?!.. :D:D

 

Cheers

Brian

posted: 10 Sep 2012 10:33

from:

Martin Wynne
 
West Of The Severn - United Kingdom

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Brian Hanson wrote:
I want to have the turnout road of the larger radius snap to the main road of the smaller radius turnout.. is this possible?
Hi Brian,

Could you clarify that? Do you want the second switch to be in the main road of the first switch or in the turnout road of the first switch?

The former is the more usual arrangement, as in the video. For a single sided tandem that makes the outer exit the common main road. If you want the middle exit to be the common main road what you have in effect is a double-sided tandem (LH and RH) with significant contraflexure so that it appears to be single-sided.

For the latter arrangement there is no common main road, so the method is slightly different from in the video. You must peg the second switch onto the heel of the first one, adjust the radius to match, and then snake it to provide the required clearances.

If you post your box file we can better see what you are trying to do.

regards,

Martin.

posted: 10 Sep 2012 11:20

from:

Brian Hanson
 
Nottingham - United Kingdom

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Hi Martin,

 

..I think its the latter but.. :?

Hopefully I have attached the .box file..

Many thanks!

Brian
Attachment: attach_1492_2053_kings_cross_passenger_loco_2012_09_10_1109_39.box     325

posted: 10 Sep 2012 12:56

from:

Alan Turner
 
Dudley - United Kingdom

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Brian Hanson wrote:
Hello All,

 

.. but how do I overlay 2 LH templates over each other?..:? 

 

Cheers

Brian

Brian,

you don't, you still lay LH and RH but the RH is curved to the left. If you do lay two LH on each other you will find the switch rails won't work.

Alan


posted: 10 Sep 2012 13:44

from:

Tony W
 
North Notts. - United Kingdom

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Brian Hanson wrote:


..I think its the latter but.. :?

Hi Brian, I'm not so sure it is the latter, I think both switches come off the main road.
Tony.

posted: 10 Sep 2012 15:20

from:

Tony W
 
North Notts. - United Kingdom

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Hi Brian.
Here is my first attempt at your Tandem. I have not tried to sort out the timbering but try it for a fit.
Tony.
Attachment: attach_1494_2053_kings_cross_tandem.box     346



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