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Offline Johnvr  
#1 Posted : 22 August 2014 22:52:24(UTC)
Johnvr

South Africa   
Joined: 03/10/2010(UTC)
Posts: 1,269
Location: Cape Town, South Africa
Hi Z-Scale fans,

This is a question for the Z-Scale Marklin enthusiasts.
I have unfortunatley never owned Z-Scale. But a friend of mine has recently purchased a Z-Scale Marklin.

I would like to build a Braking Module for him, for a train to slow down when approaching a railway stationbut I don't understand the Z-Scale electronics, so I thought I would ask you.

Is Z-Scale electronics operating on DC current ?
Does the Transformer turns through Zero from positive to negative to get the train to reverse ?
What voltage is maximum voltage for full-speed forwards (or backwards) ?
What voltage is minimum voltage for slow-speed ?
What VA Output does the transfomer have ?

Have you built a Braking Module for your train to slow down and stop at the railway station ?
Can you please indicate to me how you built it ?
Do you think a simple capacitor would do the trick ?

Many thanks in advance for your ideas.

Regards,BigGrin
John

Offline Hackcell  
#2 Posted : 23 August 2014 06:29:05(UTC)
Hackcell

Costa Rica   
Joined: 21/11/2013(UTC)
Posts: 521
Hello John,

I hardly believe that something like that can be done at Z scale using analog methods. I purchased a lokpilot micro decoder and I'm in the process of changing an old Z scale F7 loco to DCC. I think if you can change a loco to work with DCC, you can use any DC braking module.
Danilo Jiménez
Union Pacific and DB Cargo H0 models.
Märklin, Brawa, MTH and some Walthers cars (nobody is perfect!)
Pinball machines, jukeboxes and Horses.
Costa Rica, pura vida!!
Offline H0  
#3 Posted : 23 August 2014 08:06:41(UTC)
H0


Joined: 16/02/2004(UTC)
Posts: 15,254
Location: DE-NW
Hi!
Originally Posted by: Johnvr Go to Quoted Post
Do you think a simple capacitor would do the trick?
I dunno.
Problem will be different current draw of different locos: some will run a longer distance than others.
Doesn't sound like a bad idea to me. I'd give it a try - unless someone tested it already with negative results.

Z scale is standard two-rail DC.
I think the product database answers many of your questions:
http://archiv.maerklin.d...MSITE=&wishednumber=
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
UserPostedImage
Offline Nightowl4933  
#4 Posted : 23 August 2014 18:22:30(UTC)
Nightowl4933

United Kingdom   
Joined: 09/02/2008(UTC)
Posts: 972
Location: North Wiltshire
Hi John,

A braking module is really difficult for z scale, because locomotives lose momentum quite easily as they're so light.

How I got around this was to use a number of diodes connected together in parallel, and feeding off if at strategic points to isolated sections of track. If you use enough the slowing down process isn't so obvious, but it does work. Only one side (I used live rather than return) need to be isolated, but the diodes have to be the correct way round, or it will stop the loco dead in it's tracks.

There are some available out there (Conrad?).

Hope this helps,

Pete

Edited by user 25 August 2014 19:33:34(UTC)  | Reason: Biff spelling!

Living on Earth is expensive, but it does include a free trip around the sun every year.
Z Scale is great - where's me glasses?
Offline ozzman  
#5 Posted : 24 August 2014 07:29:49(UTC)
ozzman

Australia   
Joined: 23/11/2007(UTC)
Posts: 1,828
Location: Sydney, Australia
Viessmann make one too.
Gary
Z Scale
"Never let the prototype get in the way of a good layout"
Offline H0  
#6 Posted : 24 August 2014 08:44:23(UTC)
H0


Joined: 16/02/2004(UTC)
Posts: 15,254
Location: DE-NW
Originally Posted by: ozzman Go to Quoted Post
Viessmann make one too.
Do you have a ref. number? Don't say 5232 (that's for digital).

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
UserPostedImage
Offline Johnvr  
#7 Posted : 24 August 2014 09:39:45(UTC)
Johnvr

South Africa   
Joined: 03/10/2010(UTC)
Posts: 1,269
Location: Cape Town, South Africa
Originally Posted by: Nightowl4933 Go to Quoted Post
Hi John,

A braking module is really difficult for z scale, because locomtives lose momentum quite eaasily because they're so light.

How I got around this was to use a number of diodes connected together in parallel, and feeding off if at strategic points to isolated sections of track. If you use enough the slowing down process isn't so obvious, but it does work. Only one side (I used live rather than return) need to be isolated, but the diodes have to be the correct way round, or it will stop the loco dead in it's tracks.

There are some available out there (Conrad?).

Hope this helps,

Pete


Pete,

Ok, thanks for the tip.
Using Diodes is easy enough, so I think I shall try that.

Many thanks !

Regards,BigGrin
John

Offline ozzman  
#8 Posted : 24 August 2014 22:40:33(UTC)
ozzman

Australia   
Joined: 23/11/2007(UTC)
Posts: 1,828
Location: Sydney, Australia
Originally Posted by: H0 Go to Quoted Post
Originally Posted by: ozzman Go to Quoted Post
Viessmann make one too.
Do you have a ref. number? Don't say 5232 (that's for digital).



It's the 5216. See details here:

http://www.viessmann-mod...fde3ee1d57f31d13d4a3#top
Gary
Z Scale
"Never let the prototype get in the way of a good layout"
Offline Nightowl4933  
#9 Posted : 25 August 2014 19:36:33(UTC)
Nightowl4933

United Kingdom   
Joined: 09/02/2008(UTC)
Posts: 972
Location: North Wiltshire
Originally Posted by: ozzman Go to Quoted Post
Originally Posted by: H0 Go to Quoted Post
Originally Posted by: ozzman Go to Quoted Post
Viessmann make one too.
Do you have a ref. number? Don't say 5232 (that's for digital).



It's the 5216. See details here:

http://www.viessmann-mod...fde3ee1d57f31d13d4a3#top


I tried this one, but the various options (you basically put a bridging wire in to adjust the speed reduction) didn't provide subtle enough changes - and they're more expensive than diodes!

Pete

Edited by user 04 September 2014 21:08:58(UTC)  | Reason: Not specified

Living on Earth is expensive, but it does include a free trip around the sun every year.
Z Scale is great - where's me glasses?
Offline ViperBugloss  
#10 Posted : 27 August 2014 11:18:19(UTC)
ViperBugloss

United Kingdom   
Joined: 12/01/2013(UTC)
Posts: 3
Location: Devon
You could try the Marklin 8993 reversing loop set, without using the third piece of track, and then use a Marklin 8588 isolating track with a suitable switch to restore power (such as Marklin 70739). This is just a suggestion as I have never tried it. This would only work in one direction and if the station is on a continuous line then the train will always slow down going through the station but only stop when the switch is open.
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