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Offline JD  
#1 Posted : 30 November 2009 19:32:24(UTC)
JD


Joined: 30/09/2009(UTC)
Posts: 9
Location: Brentwood, Essex
Hi,

I am looking for instructions (preferably with a pic) on how to make my own C track contact tracks. I have searched the forum and read many posts but nothing clearly explains(at least to me)how to make them. In the past I remember accessing a link to a site that had the details but for the life of me cannot find the link again. Any assistance would be much appreciated.

JD
Offline NS1200  
#2 Posted : 30 November 2009 20:15:14(UTC)
NS1200

Netherlands   
Joined: 10/08/2009(UTC)
Posts: 3,443
Muj,

You mean how to connect electric power to the track or what?
If the answer is yes,you have to purchase some Marklin wire sets with connection shoes attached to them,these connection sets are also contained in various track extension sets,that is where i found them.
Turn a single piece of track upside down and simply stick the two wired connection shoes onto the two contact lips seen at the track end,lips facing innerside of the track.
This is all there is to it.
Isolating a piece of track from the rest works the same,only thing you need in addition is isolating shoes which you stick on both rails,left and right,these red isolating shoes can be purchased in the Marklin shop.

Feeder wire set has Marklin number 74040.
Have more than you show,speak less than you know (Shakespeare).
Offline JD  
#3 Posted : 30 November 2009 20:28:22(UTC)
JD


Joined: 30/09/2009(UTC)
Posts: 9
Location: Brentwood, Essex

Quote:
[size=1" face="Verdana" id="quote]quote:Originally posted by NS1200
<br />Muj,

You mean how to connect electric power to the track or what?
If the answer is yes,you have to purchase some Marklin wire sets with connection shoes attached to them,these connection sets are also contained in various track extension sets,that is where i found them.
Turn a single piece of track upside down and simply stick the two wired connection shoes onto the two contact lips seen at the track end,lips facing innerside of the track.
This is all there is to it.
Isolating a piece of track from the rest works the same,only thing you need in addition is isolating shoes which you stick on both rails,left and right,these red isolating shoes can be purchased in the Marklin shop.

Feeder wire set has Marklin number 74040.


Paul,

What I am trying to do is make my own equivalent of the 24995 set sold by M. The track is for connection to an S88 module. As the M range of contact tracks is limited, I want the flexibility to use any straight or curved C track piece.
Offline tworail  
#4 Posted : 30 November 2009 21:18:07(UTC)
tworail


Joined: 01/03/2007(UTC)
Posts: 237
Location: Trent Hills, ON
thanks 1 user liked this useful post by tworail
Offline JD  
#5 Posted : 01 December 2009 09:56:23(UTC)
JD


Joined: 30/09/2009(UTC)
Posts: 9
Location: Brentwood, Essex

Many thanks John, exactly what I was looking for.
Offline Caplin  
#6 Posted : 01 December 2009 10:44:20(UTC)
Caplin


Joined: 23/03/2005(UTC)
Posts: 2,497
Location: Denmark
Thanks John. Very informative link and picture.
Regards,
Benny - Outsider and MFDWPL

UserPostedImage
Offline davemr  
#7 Posted : 01 December 2009 12:36:44(UTC)
davemr


Joined: 09/02/2009(UTC)
Posts: 983
Location: ,
What a great explanation. Well done.

dave
davemr
Offline mascagni  
#8 Posted : 01 December 2009 13:48:27(UTC)
mascagni


Joined: 25/07/2002(UTC)
Posts: 826
Location: Tallahassee, FL USA
These work great, BTW.--MM
Michael Mascagni, Tallahassee
If I weren't a Mathematician, I'd be a Violinist.--Albert Einstein
Offline oranda  
#9 Posted : 18 December 2015 12:09:15(UTC)
oranda

United Kingdom   
Joined: 21/04/2014(UTC)
Posts: 118
Location: ENGLAND
Originally Posted by: tworail Go to Quoted Post


This link appears to be dead - is there an alternative?
Offline Tower  
#10 Posted : 22 December 2015 07:21:41(UTC)
Tower


Joined: 12/02/2010(UTC)
Posts: 167
Location: Pretoria, South Africa
Also dead to me, I would also like to see
Offline Shamu  
#11 Posted : 22 December 2015 10:01:13(UTC)
Shamu

Australia   
Joined: 12/07/2011(UTC)
Posts: 1,068
Location: In a building site in Yeppoon
The Internet Archive (Wayback Machine) is always your friend........ web.archive.org

I assume this is the photo in question.....


Contact%20Track.jpg
Sad when its cheaper to buy a new 29640 starter set from Germany than a CS2 on its own in Oz, welcome to the joys of Marklin down under .
thanks 3 users liked this useful post by Shamu
Offline kiwiAlan  
#12 Posted : 22 December 2015 15:02:53(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 5,969
Location: ENGLAND, Didcot
Originally Posted by: Shamu Go to Quoted Post
The Internet Archive (Wayback Machine) is always your friend........ web.archive.org

I assume this is the photo in question.....


Contact%20Track.jpg


You don't have to use the Marklin insulators, I have used small pieces of heat shrink tube. In this picture you can see where i have used some, and slightly shrunk the outer end to make the tracks easier to mate, but with care, you don't need to shrink it.

Any suitable thin walled tubing can be used.

C Track Insulators.jpg
thanks 1 user liked this useful post by kiwiAlan
Offline cookee_nz  
#13 Posted : 22 December 2015 20:27:26(UTC)
cookee_nz

New Zealand   
Joined: 31/12/2010(UTC)
Posts: 3,626
Location: Paremata, Wellington
Originally Posted by: JD Go to Quoted Post


Paul,

What I am trying to do is make my own equivalent of the 24995 set sold by M. The track is for connection to an S88 module. As the M range of contact tracks is limited, I want the flexibility to use any straight or curved C track piece.


As well as detecting via the outer rail you can also detect via the center studs, not unlike 24994 except that this is non-directional. Marklin confuse it a little by having referred to them over the years as "Circuit Tracks" and "Contact Tracks". And they are opposite what you might actually assume.

'Circuit' tracks / Switching tracks / Control Tracks refer to detection of a passing pickup shoe on the center/stud rail

'Contact' on the other hand has been referred to as where the outer rail is being bridged by the wheels. There are distinct advantages to each method.

This method below has the centre rail interrupted to provide detection of the shoe and is the same concept used to index the Digital Turntable. This is not my own idea, it was suggested to me by Ross Offline (Ross Stewart) from Australia many years ago.

Note that you should not place this section anywhere that a train would be likely to stop because the few isolated studs do not receive track power, but this method can provide some potentially interesting possibilities.

https://www.marklin-users.net/cookee_nz/gbmc/detect/detect.htm

Regards
Cookee
Wellington
NZ image
thanks 1 user liked this useful post by cookee_nz
Offline Tower  
#14 Posted : 29 December 2015 08:02:13(UTC)
Tower


Joined: 12/02/2010(UTC)
Posts: 167
Location: Pretoria, South Africa
Thank You All.

For directional detection I used a small reed switch connected to a relay placed between the centre stud and the outer rail. I attach a small magnet on one of my Metal Box cars that I always run behind my Loco (Or attach with a bit of glue to the underside of a plastic Wagon) ,a spacer is required to get the magnet nice and close to the track).

As a convention I always place the magnet on the left side of the wagon thus giving me directional control.

Hope that helps.
thanks 1 user liked this useful post by Tower
Offline Mark5  
#15 Posted : 29 December 2015 19:14:02(UTC)
Mark5

Canada   
Joined: 29/01/2012(UTC)
Posts: 1,204
Location: Montreal
Right side/left side. That is a very smart way to get directional control.
What kind of reed switches are you using?
Any photos about?
- Mark

Originally Posted by: Tower Go to Quoted Post

As a convention I always place the magnet on the left side of the wagon thus giving me directional control.
.


Interested in history of DB, DR and FS circa 1955 to 1965. Fan of signals, catenary, stations and yards.
Father of four girls running an exhibition layout, the Mädchenbahn--
https://www.marklin-user...rce.ashx?i=30519&b=1
Large version of my present avatar-- https://www.marklin-user...rce.ashx?i=29910&b=1
Source of previous avatar in "zoomify" detail-- http://bit.ly/1QqMgL0
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