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                                       Constructing a reversing circle
     
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1st message | this message only posted: 20 Aug 2011 07:49
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from:
Charles Orr
Leicester, United Kingdom

 

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Hi

I would welcome some advice on how to construct a reversing circle.

Essentially I have a turnout and need to add a circle of track that leaves  the main road and returns to the turnout road.

The ability to be able to vary the radius of the base circle would be useful as I have to fit it into the space available.

This is probably straightforward :).

Thanks in advance

Charles


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2nd message | this message only posted: 20 Aug 2011 08:45
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from:
Martin Wynne
West Of The Severn, United Kingdom



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Please do not send requests for help direct to me via email or PM.

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Charles Orr wrote:I would welcome some advice on how to construct a reversing circle.Hi Charles,

There is a Templot video covering this:

 http://www.templot.com/martweb/videos/return_loop.exe

It's actually for double track, but if you do tools > make branch track on the turnout you should be able to adapt accordingly.

Ask again if you need more.

regards,

Martin.

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3rd message | this message only posted: 20 Aug 2011 09:14
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from:
Charles Orr
Leicester, United Kingdom

 

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Hi Martin

Many thanks for the pointer.

I'll see how I get on after viewing the video.

regards

CHarles

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4th message | this message only posted: 20 Aug 2011 09:46
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from:
Charles Orr
Leicester, United Kingdom

 

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Hi Martin

I've got as far as this (not very far) and then things did not proceed as per the video :?.

I've attached the box  file.

Help greatly welcomed.

regards

Charles

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Attachment: Reverse_Loop_1.box (Downloaded 101 times)
 
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5th message | this message only posted: 20 Aug 2011 09:56
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from:
Charles Orr
Leicester, United Kingdom

 

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Hi Martin

I should have added that the space available is 100cm by 100cm with the turnout in the top left of the space.

Scale is OO SF.

regards

Charles

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6th message | this message only posted: 20 Aug 2011 10:30
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from:
Martin Wynne
West Of The Severn, United Kingdom



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Please do not send requests for help direct to me via email or PM.

Post your questions on the forum where everyone can see them and add helpful replies.
Charles Orr wrote: I should have added that the space available is 100cm by 100cm with the turnout in the top left of the space. Scale is OO SF.Hi Charles,

It is not possible to fit a reverse loop in 1000mm x 1000mm in 00 gauge.

Well it is, but the radius is silly -- 280mm (11") radius: :)



regards,

Martin.

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7th message | this message only posted: 20 Aug 2011 15:26
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from:
Charles Orr
Leicester, United Kingdom

 

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Hi Martin

Many thanks for that.

I thought that might be the case :)

I can make more space available lengthwise.

Can you tell me how you produced the previous formation?

That is what I was trying to do and then adjust it  until I had a sensible radius.

(I have managed to successfully produce the scenic part of the layout :D )

regards

Charles

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8th message | this message only posted: 20 Aug 2011 15:59
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from:
Martin Wynne
West Of The Severn, United Kingdom



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Please do not send requests for help direct to me via email or PM.

Post your questions on the forum where everyone can see them and add helpful replies.
Charles Orr wrote: I can make more space available lengthwise.Hi Charles,

Are you still restricted to 1000mm clear width?

In that case the maximum radius which will fit will be about 470mm (18.5") which is still very tight for 00, but just about doable. In 00-SF you will need some gauge-widening (or use 16.5mm flexi-track).

If you can increase the width, what is the minimum acceptable radius?

regards,

Martin.

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9th message | this message only posted: 20 Aug 2011 16:28
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from:
Charles Orr
Leicester, United Kingdom

 

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Hi Martin

I was intending to use peco code 75 flexitrack for the loop.  

Minimum acceptable radius  would be 24-25 inches but could conceivably  be as low as 22inches.

regards,

Charles

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10th message | this message only posted: 21 Aug 2011 10:21
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from:
Charles Orr
Leicester, United Kingdom

 

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Hi Martin

I've now constructed a satisfactory reverse loop myself.

Many thanks for your help.

regards

Charles

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11th message | this message only posted: 22 Aug 2011 07:16
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from:
Martin Wynne
West Of The Severn, United Kingdom



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Please do not send requests for help direct to me via email or PM.

Post your questions on the forum where everyone can see them and add helpful replies.
Charles Orr wrote: I've now constructed a satisfactory reverse loop myself.Hi Charles,

I'm glad you solved it.

I was intending to make a bit of video for you, but I was overtaken by an urgent domestic plumbing job.

regards,

Martin.

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12th message | this message only posted: 22 Aug 2011 10:33
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from:
Charles Orr
Leicester, United Kingdom

 

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Hi Martin

Your picture of the loop made it clear  what had to be done.

I then constructed loops of different radius  and experimented until  it fitted with an acceptable radius.

The templates are printed and in place.

I shall use your veneer pin method to fix the flexitrack  :D

Many thanks again.

Regards

Charles

 

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