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C track geometry - Advise on high speed turnouts
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Offline einotuominen  
#1 Posted : 23 March 2023 14:43:49(UTC)
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einotuominen

Finland   
Joined: 19/09/2022(UTC)
Posts: 382
Location: Kaarina
Hi guys,

I need to squeeze a siding in to a very small place. It will all be straight track, so I figured the high speed turnouts 24711 and 24712 take the least space.

Can they be connected in either of these ways? I mean is there enough room for the plastic C track base if connected like this?

Turnouts

Thanks!

BR,
-Eino
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Offline mbarreto  
#2 Posted : 23 March 2023 15:02:55(UTC)
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mbarreto

Portugal   
Joined: 18/02/2008(UTC)
Posts: 1,265

In places where you need very few space between tracks, maybe better to use the K track wide turnouts. They give you 57 mm track spacing between parallel tracks.
What you ask probably can be done by cutting the slopes of the C tracks pieces near the joints. The biggest problem is probably the cuttings that you may need to do
close to he lever. If you are not careful maybe the turnout will be pretty much unusable.
There are other members (I think very few) that have experience in cutting the C track side slopes and their advise is for sure better than mine.

Miguel
Best regards,
Miguel
Mostly Märklin H0.


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Offline JohnjeanB  
#3 Posted : 23 March 2023 15:42:35(UTC)
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JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 3,115
Location: Paris, France
Hi
I wsih to bounce back on Miguel's post on how easy it is to modify C track geometry
In this example I had an unrealistic track just after a triple turnout
24630-before.jpg
So I had to shorten one of the triple switch but underneath, the motor was in the way.
So I made the cut after the motor just like this
24630-IMG_4428R.jpg

After filing and ajustment it went like this
24630-IMG_4432R.jpg

And the result is like this now
24630 After 2.jpg

What I am trying to say is this is easy and take a couple of hours
What is needed in this case
- a cutting disk (I use diamond disk with a Proxxon hand drill)
- a 24630 triple sw
- a piece of R2 curved C track
- a soldering iron
- glue: cyanocrylate + hotmelt

Cheers
Jean
My layout videos
latest vid
marshalling yard
My Layout
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Offline mbarreto  
#4 Posted : 23 March 2023 16:21:08(UTC)
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mbarreto

Portugal   
Joined: 18/02/2008(UTC)
Posts: 1,265

Hi Jean,

Your solution looks very good, so congratulations on that. Probably doing this type of things is easier for you, and that is good.
What I mean about the lever side doesn't apply to your situation. Imagine you have one track passing in the space of the lever. That would be more difficult, most probably...

Miguel
Best regards,
Miguel
Mostly Märklin H0.


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Offline JohnjeanB  
#5 Posted : 23 March 2023 16:37:40(UTC)
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JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 3,115
Location: Paris, France
Hi Miguel
Because I had a number of old (brittle) C track pieces (1997 or so) I could make some tries just to see how easy it is.

"Imagine you have one track passing in the space of the lever."
Now regarding the track lever mechanism, it looks like this
Sans titre.png
It is plain to see that if you accept to get rid of the lever and the lighted lantern, it becomes really easy.
I have purchased my set of diamond cutting disks on a flea market in Florida for 5 USD and they last almost forever.
Just take a piece of damaged C Track and try it. It is REALLY easy

Jean
My layout videos
latest vid
marshalling yard
My Layout
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Offline mbarreto  
#6 Posted : 23 March 2023 17:51:07(UTC)
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mbarreto

Portugal   
Joined: 18/02/2008(UTC)
Posts: 1,265
Hi jean,

I see your point and agree. I also have some old C track and know what you mean.
If one accepts to remove the hand lever, yes, I don't see a problem.

Miguel
Best regards,
Miguel
Mostly Märklin H0.


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Offline Alsterstreek  
#7 Posted : 23 March 2023 19:44:32(UTC)
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Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,669
Location: Hybrid Home
2471x cannot be used without 24071 pieces. Minimum spacing can be reached like that.
slim.jpg

When not afraid of mutilating C track with a saw - scroll down to the last post:

https://www.stummiforum....4-Frage-zum-C-Gleis.html
Greetz - Ak
UserPostedImage
My current "layout": https://www.marklin-user...aigne-Project#post592818
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Offline PacoM  
#8 Posted : 24 March 2023 13:15:56(UTC)
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PacoM

Spain   
Joined: 20/08/2020(UTC)
Posts: 60
Originally Posted by: JohnjeanB Go to Quoted Post

It is plain to see that if you accept to get rid of the lever and the lighted lantern, it becomes really easy.
I have purchased my set of diamond cutting disks on a flea market in Florida for 5 USD and they last almost forever.
Just take a piece of damaged C Track and try it. It is REALLY easy

Jean


I'm glad to tell that the lever and the lantern will not be touched while placing two 24711 face to face, as you can see in this trimmed picture of my layout. All you need is cutting out only the side of the ballast. Really, what you do with a 24071 is separating the removable side of the ballast.
doble desvio esbelto.jpg

A good thread to find inspiration is https://www.marklin-user...s--and-innovations/page5

I had prepared a scheme with several possibilities, some of them taken from that thread and others experienced by myself:
Tabla.jpg
Regards
Paco
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