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Offline Drongo  
#1 Posted : 21 April 2015 14:29:02(UTC)
Drongo

Australia   
Joined: 03/06/2008(UTC)
Posts: 1,221
Location: Sydney, NSW
Hi Everyone,

I've started making another layout with C Track and I want to use TrainController with my CS2. Therefore I need to install sensors and create blocks within the track, however, every piece of track has to be cut so as to isolate the 2 rails.

My question is - why can't Marklin manufacture the C Track with the 2 rails already isolated? Is there any reason to have the 2 rails connected?

Regards
Greg
Take it easy . . . . or any other way you can get it !!!!
Offline kiwiAlan  
#2 Posted : 21 April 2015 14:40:21(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 8,082
Location: ENGLAND, Didcot
Originally Posted by: Drongo Go to Quoted Post
Hi Everyone,

I've started making another layout with C Track and I want to use TrainController with my CS2. Therefore I need to install sensors and create blocks within the track, however, every piece of track has to be cut so as to isolate the 2 rails.

My question is - why can't Marklin manufacture the C Track with the 2 rails already isolated? Is there any reason to have the 2 rails connected?

Regards
Greg


Yes, it makes the running of the trains more reliable. I am surprised your blocks are such that you need to split the rails on EVERY piece of track. Note that it is an impracticality when you get to the points ...

Offline sjlauritsen  
#3 Posted : 21 April 2015 15:46:03(UTC)
sjlauritsen

Denmark   
Joined: 18/08/2007(UTC)
Posts: 1,081
Location: Denmark
Originally Posted by: kiwiAlan Go to Quoted Post
I am surprised your blocks are such that you need to split the rails on EVERY piece of track. Note that it is an impracticality when you get to the points...

If you want to have a feedback sensor in a block, you need to cut the connection between the two rails in the join underneath each piece of C track. Otherwise the feedback sensor will not work. There is a connection in both end of every piece of track. A normal wire cutter will do. I also push the metal pieces a bit away from each other. Some times they can begin to touch each other, which will ruin the isolation of the rail.

Søren from Denmark
Blog: https://railway.zone/ | Danish Model Railway Forum: https://baneforum.dk/
Offline RayF  
#4 Posted : 21 April 2015 16:26:27(UTC)
RayF

Gibraltar   
Joined: 14/03/2005(UTC)
Posts: 15,838
Location: Gibraltar, Europe
You can use other types of sensors to avoid cutting the connections between tracks. The main advantage of the Marklin 3 rail system is its superior current conducting properties, and this is negated when the tracks are isolated in this way. It also means that if you are using non-Marklin wagons with original 2 rail wheels they wont be detected.

For trains detection many people use optical sensors or magnetic reed switches, especially in the 2 rail DC world.
Ray
Mostly Marklin.Selection of different eras and European railways
Small C track layout, control by MS2, 100+ trains but run 4-5 at a time.
Offline hxmiesa  
#5 Posted : 22 April 2015 11:46:54(UTC)
hxmiesa

Spain   
Joined: 15/12/2005(UTC)
Posts: 3,519
Location: Spain
Originally Posted by: RayF Go to Quoted Post
The main advantage of the Marklin 3 rail system is its superior current conducting properties, and this is negated when the tracks are isolated in this way.

Not totally. Once the first pair of wheels bridges one rail to the other, the other also becomes "ground". Once a whole consist is present on the track, there will not be any difference between the potential of the rails.
To use this system for train-detection is one of the huge advantages of the 3-rail system!
Best regards
Henrik Hoexbroe ("The Dane In Spain")
http://hoexbroe.tripod.com
Offline H0  
#6 Posted : 22 April 2015 12:06:31(UTC)
H0


Joined: 16/02/2004(UTC)
Posts: 15,254
Location: DE-NW
Originally Posted by: hxmiesa Go to Quoted Post
Not totally. Once the first pair of wheels bridges one rail to the other, the other also becomes "ground".
Consider a Köf III running all alone. Three wheels without traction tyres for good contact.
On a contact track there is a 50% chance that only one wheel without traction tyre will be left on the "ground" side with two wheels on the "dead" side. When used with s88, the famous diode trick can improve contact in such a case.

Originally Posted by: Drongo Go to Quoted Post
My question is - why can't Marklin manufacture the C Track with the 2 rails already isolated? Is there any reason to have the 2 rails connected?
You need three feeder wires if they are isolated, only two if they are connected.
It's easy to cut them, it's more complicated to connect them.
For C track without centre rail, they cut the bridge at the factory.

K track comes isolated (most pieces except feeder tracks and some turnouts), C track comes connected.
Regards
Tom
---
"In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS
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Offline Drongo  
#7 Posted : 24 April 2015 15:03:24(UTC)
Drongo

Australia   
Joined: 03/06/2008(UTC)
Posts: 1,221
Location: Sydney, NSW
Thanks fellas for the information. I'll just keep on cutting. Laugh Laugh Laugh
Take it easy . . . . or any other way you can get it !!!!
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