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Offline kimballthurlow  
#301 Posted : 21 January 2022 21:29:22(UTC)
kimballthurlow

Australia   
Joined: 18/03/2007(UTC)
Posts: 6,684
Location: Brisbane, Australia
Originally Posted by: Alsterstreek Go to Quoted Post
And another ornament.
...from Post 296


Hi Ak,
Very ingenious.
It reminds me of certain track useage in another part of the world to Germany
I have 2 rail stuff, mostly North American (era IIIa Pennsylvania, Norfolk and Western).
Using Trix C track (mostly same geometry available as Märklin C track) I have often dreamt how I would do certain arrangements.

Such as double mainline tracks into three and the reverse after a few miles to allow passing trains (very common) using slim turnouts.

Because I do not have a 2 rail layout or room for one, I have never gotten around to trying what may be possible.

Kimball
HO Scale - Märklin (ep II-III and VI, C Track, digital) - 2 rail HO (Queensland Australia, UK, USA) - 3 rail OO (English Hornby Dublo) - old clockwork O gauge - Live Steam 90mm (3.1/2 inch) gauge.
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Offline dickinsonj  
#302 Posted : 22 January 2022 01:29:17(UTC)
dickinsonj

United States   
Joined: 05/12/2008(UTC)
Posts: 1,707
Location: Crozet, Virginia
That is very cool Alsterstreek. You demonstrate that beautiful and complex track arrangements can be made with standard C track pieces. Brilliant!

At appropriate switching speeds those look very navigable to me. I will have to give those a try one of these days. ThumpUp

Regards,
Jim

I have almost all Märklin and mostly HO, although I do have a small number of Z gauge trains!
So many trains and so little time.
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Offline Alsterstreek  
#303 Posted : 24 January 2022 18:53:41(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,698
Location: Hybrid Home
Then a track inventory might be helpful.
2022ornament1.png
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Offline kiwiAlan  
#304 Posted : 24 January 2022 19:25:55(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 8,137
Location: ENGLAND, Didcot
Originally Posted by: Alsterstreek Go to Quoted Post
Then a track inventory might be helpful.


aye, that it would be, thanks.

Offline Alsterstreek  
#305 Posted : 05 February 2022 20:11:24(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,698
Location: Hybrid Home
One idea, two crossings.

24649 crossing: The curve is a 24224. The short straight pieces are 24064.
AEBC420E-5264-4A44-AF56-329DC7B53D3D.jpeg

24640 crossing: The straight track in below configuration requires the intervention by a saw. I used the customised track piece presented in post no. 288 extended by a 24071. The curve is a 24224 which could be replaced by a 2461x turnout.
4093EF44-FBB6-4173-BD4C-35BD264839F0.jpeg
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Offline Luis Teixeira  
#306 Posted : 08 February 2022 03:31:51(UTC)
Luis Teixeira


Joined: 14/01/2011(UTC)
Posts: 8
Ave H,

nice to see that you are still around trains ... but thought you had switched to DDC ... >;))))

well my bad, have not been to Tante M user.net for a long time, happend to my Modelltrains and FM too ...

now I am back again, hope to start my layout this year (if the buck will clear for good) with Rocrail & a lot of trains ... but not FM that's old history.

have fun ... I do ...
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Offline Alsterstreek  
#307 Posted : 05 July 2022 17:05:00(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,698
Location: Hybrid Home
The most compact pretzel possible:
IMG_2164.JPG
76 x 160 cm
IMG_2167.JPG
Three types of straights used.
IMG_E2165.JPG
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Offline PacoM  
#308 Posted : 17 July 2022 18:04:10(UTC)
PacoM

Spain   
Joined: 20/08/2020(UTC)
Posts: 60
I have come across a post in stummiforum that may be of interest:
https://www.stummiforum....eometrie.html#msg2436200
You can find there a pdf to download and a couple of links.
Enjoy!
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Offline kimballthurlow  
#309 Posted : 03 September 2022 08:48:23(UTC)
kimballthurlow

Australia   
Joined: 18/03/2007(UTC)
Posts: 6,684
Location: Brisbane, Australia

The Märklin track geometry for parallel main lines has a separation of 77.5mm when using the short turnouts such as 24611/2.
The separation when using the long turnouts such as 24711/2 is 64.6mm.

The following is a basic geometrical device to progress from 77.5mm to 64.6mm between parallel tracks.
It is achieved through a 90° curve which I used quite a few times in my layout design.

The outer track starts with a 24064 piece straight.
The inner track starts from the same start perpendicular with a 24077 straight.
Page 41 of the booklet supplied with starter sets explains this.
UserPostedImage

Kimball
HO Scale - Märklin (ep II-III and VI, C Track, digital) - 2 rail HO (Queensland Australia, UK, USA) - 3 rail OO (English Hornby Dublo) - old clockwork O gauge - Live Steam 90mm (3.1/2 inch) gauge.
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Offline fbaube  
#310 Posted : 09 November 2022 17:29:45(UTC)
fbaube

Finland   
Joined: 12/08/2020(UTC)
Posts: 21
Location: Uusimaa, Helsinki
Originally Posted by: Alsterstreek Go to Quoted Post
Excellent initiative. SCARM does not run on my Mac.
Would you consider to publish something mortals like me could admire, too?


Is this still the case ? I have the newest SCARM running OK on Wine on macOS 12.6.1

The Wine is "wine-crossover" installed by Homebrew.

B.R., fred
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Offline revmox  
#311 Posted : 12 November 2022 01:35:15(UTC)
revmox

Australia   
Joined: 26/05/2021(UTC)
Posts: 148
Location: Australia, East Maitland, NSW
Just a note for those C track users who create custom track sections or want to do a repair.

Digging around it seems that the C track base is made using Luran S, that explains the tiny ASA stamped on the bottom. From the web -"Luran® S acrylonitrile styrene acrylate (ASA) polymers feature high surface quality and good impact strength including enhanced colour fastness. The products deliver superior long-term performance when exposed to UV irradiation and heat and additionally provide excellent chemical resistance".

Going through the manufacturer's data it seemed that this plastic could be "welded" using methyl ethyl ketone (MEK) as a solvent - the kind of stuff used to join PVC pipes. I've put this to the test with some "clear priming fluid" from the plumbing section of the local hardware store, about 8 AUD for 250ml - enough for several lifetimes. This says it is 60-100% MEK. With a little practice it can make a VERY strong plastic bond between C track bits.

MEK is not an adhesive glue - it actually melts the plastic itself - so simple butt joints can look terrible, but if you brush a little on the underside of the track bed and then bridge the gap with some similarly brushed offcuts you can get a good joint with no trouble. About 5 minutes to cure/set/dry.

According to some posts from the LGB types, it can also be used for repairs to rolling stock where conventional adhesives have been found unreliable. But it is deadly stuff and great care would be needed - one fingerprint could ruin a prized item.

4440.jpg

BASF Luran S.pdf (1,738kb) downloaded 29 time(s).
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Offline dickinsonj  
#312 Posted : 12 November 2022 01:53:17(UTC)
dickinsonj

United States   
Joined: 05/12/2008(UTC)
Posts: 1,707
Location: Crozet, Virginia
Good information. Can you share some images of your joins?
Regards,
Jim

I have almost all Märklin and mostly HO, although I do have a small number of Z gauge trains!
So many trains and so little time.
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Offline revmox  
#313 Posted : 12 November 2022 04:42:24(UTC)
revmox

Australia   
Joined: 26/05/2021(UTC)
Posts: 148
Location: Australia, East Maitland, NSW
Hi Jim,

I only took pictures during the first trial. I went to the trouble the first time of cutting the joining bits to include rails for extra strength - it is not necessary and a lot of extra work.

Also tried it on my prototype 3D printed pucko cleaner ...

As before, I'll caution everyone to have a practice run or two first - the MEK is a very thin, runny fluid.

Cheers!

PXL_20221112_031802411.jpg
PXL_20221112_032209784.jpg
PXL_20221112_032221012.jpg
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Offline Alsterstreek  
#314 Posted : 12 November 2022 17:09:06(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,698
Location: Hybrid Home
For the less audacious ones among us, who might have accidentally removed their fingerprints when experimenting with aggressive two-component glues - hot glue:

83D870F2-709A-4CD6-B803-905A89123F92.jpegE71FDAD2-2D01-4F2E-B329-DB51F6725836.jpeg
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Offline dickinsonj  
#315 Posted : 13 November 2022 00:39:29(UTC)
dickinsonj

United States   
Joined: 05/12/2008(UTC)
Posts: 1,707
Location: Crozet, Virginia
See Below
Regards,
Jim

I have almost all Märklin and mostly HO, although I do have a small number of Z gauge trains!
So many trains and so little time.
Offline dickinsonj  
#316 Posted : 13 November 2022 00:45:07(UTC)
dickinsonj

United States   
Joined: 05/12/2008(UTC)
Posts: 1,707
Location: Crozet, Virginia
Originally Posted by: Alsterstreek Go to Quoted Post
For the less audacious ones among us.. hot glue

Looks great.

I will have to reconsider rolling my own C track pieces. I always thought they would look to hacked up but the results that you and @revmox got look really professional.

Great inspiration.
Regards,
Jim

I have almost all Märklin and mostly HO, although I do have a small number of Z gauge trains!
So many trains and so little time.
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Offline Alsterstreek  
#317 Posted : 03 December 2022 19:04:46(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,698
Location: Hybrid Home
Further to post #307 on the 76 x 160 cm pretzel...

76 x 170 cm: How to enter the circle of trust with standard track segments.

8-2a.jpg4C99110B-DF8F-44E6-B4EE-CAA4197990AA.jpeg

76 x 180 cm: How to enter the circle of trust with a custom-cut 100 mm long straight segment (the latter being shown in post #314).

8-2p1.pngC69C383D-96B3-4FA5-99A8-62D7370C4E4C.jpeg
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Offline Alsterstreek  
#318 Posted : 03 December 2022 20:39:17(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,698
Location: Hybrid Home
By-catch: 2471x + 24071 + 24071 + 24077 + 24064 + 24064 + 24064 + 24206 + 24206 + 24649 + 24649
8FC143AB-D953-47D5-8CF7-ECE532B02BB6.jpeg
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Offline Alsterstreek  
#319 Posted : 24 December 2022 16:07:16(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,698
Location: Hybrid Home
Entering the circle of trust cont' on 85 x 195 cm.
CoT2022.jpgIMG_3080 Kopie.jpg

Edited by user 24 December 2022 19:45:57(UTC)  | Reason: Not specified

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Offline Alsterstreek  
#320 Posted : 31 December 2022 17:02:07(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,698
Location: Hybrid Home
Not without my slim Hosenträger: How to shorten a 24288 straight for this purpose (in the absence of a matching segment in the C track inventory)?
BCD731B9-C164-4097-A234-DDF7A8515B7E.jpeg
The rails are left intact, while the excess roadbed lenght is cut out in the middle; thereafter, the excess rail lengths are removed at one end. This adds strenght and avoids bumps for trains running over the rails.
4BF2E402-C851-4C5B-88FA-019C24E1B230.jpeg
For comparison: an untouched 24188 on top and a shortened one below.
7DB93F83-BFA4-4D6C-8A08-F190A821B30E.jpeg
Voilà, the missing link in place.
7A0C58C1-F98F-4672-BD97-76BB8370E5B3.jpeg95404B2B-3F8B-4634-A04D-BAC3350BF7B0.jpeg
I use a manual metal saw with a straight blade for the operation. Eventually, I fill the underbody with hot glue and solder feeder cables to connect the spades at each end (as shown for a previous example in post #315 above)
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Offline kiwiAlan  
#321 Posted : 31 December 2022 19:53:59(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 8,137
Location: ENGLAND, Didcot
This document was posted on the Marklin Bar & Grill email last in the last couple of days ...

Shortening C-track.docx (6,691kb) downloaded 93 time(s).

It gives a very good step by step set of instructions for shortening C track.

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Offline hvc  
#322 Posted : 04 March 2023 01:47:13(UTC)
hvc

Australia   
Joined: 03/06/2013(UTC)
Posts: 431
Location: Melbourne, VIC, Australia
Further to this recent post:

R3 24772 geometry problem

Here's a curved 3 track into 4 track throat with an R5 curve easement on all tracks - so the R5s can be replaced with something smaller as well of course.

Note that standard track geometry is maintained at both ends...

Screen Shot 2023-03-04 at 11.29.08 am.jpg

Herman
- Herman
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Offline Mark5  
#323 Posted : 05 March 2023 06:18:12(UTC)
Mark5

Canada   
Joined: 29/01/2012(UTC)
Posts: 1,420
Location: Montreal, Canada
Hi Alan,

Where is the bar and grill these days?
I used to have their emails when they were with yahoo groups some time ago?

Originally Posted by: kiwiAlan Go to Quoted Post
This document was posted on the Marklin Bar & Grill email last in the last couple of days ...


DB DR FS NS SNCF c. 1950-65, fan of station architecture esp. from 1920-70.
In single point perspective, where do track lines meet?
Offline kiwiAlan  
#324 Posted : 05 March 2023 15:11:33(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 8,137
Location: ENGLAND, Didcot
Originally Posted by: Mark5 Go to Quoted Post
Hi Alan,

Where is the bar and grill these days?
I used to have their emails when they were with yahoo groups some time ago?

Originally Posted by: kiwiAlan Go to Quoted Post
This document was posted on the Marklin Bar & Grill email last in the last couple of days ...




It is on groups.io now.
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Offline Mark5  
#325 Posted : 06 March 2023 05:39:04(UTC)
Mark5

Canada   
Joined: 29/01/2012(UTC)
Posts: 1,420
Location: Montreal, Canada
Thank you Alan,
I then looked it up and there it is....
https://groups.io/g/marklinbandg

Cheers
Enjoy,
Mark

Originally Posted by: kiwiAlan Go to Quoted Post
Originally Posted by: Mark5 Go to Quoted Post
Hi Alan,

Where is the bar and grill these days?
I used to have their emails when they were with yahoo groups some time ago?

Originally Posted by: kiwiAlan Go to Quoted Post
This document was posted on the Marklin Bar & Grill email last in the last couple of days ...




It is on groups.io now.


DB DR FS NS SNCF c. 1950-65, fan of station architecture esp. from 1920-70.
In single point perspective, where do track lines meet?
Offline Alsterstreek  
#326 Posted : 08 March 2023 15:12:18(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,698
Location: Hybrid Home
Back on track - something very geometric.
wye2023ht.jpg
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Offline PacoM  
#327 Posted : 09 March 2023 22:04:33(UTC)
PacoM

Spain   
Joined: 20/08/2020(UTC)
Posts: 60
While resdisigning part of my layout, I have set and show here a station on a shelf less than 40 cm deep, with an elegant (I think) access from the left. Firstly, with the building and trees on the left part, I try to hide the sharp 90º curve, so that a train is well seen only at the moment of entering the station tracks. Secondly, a few wide radius tracks and turnouts are used and "S" curves avoided.

Estacion de paso 40 cm.jpg
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Offline kimballthurlow  
#328 Posted : 09 March 2023 23:35:29(UTC)
kimballthurlow

Australia   
Joined: 18/03/2007(UTC)
Posts: 6,684
Location: Brisbane, Australia
Originally Posted by: PacoM Go to Quoted Post
While resdisigning part of my layout, I have set and show here a station on a shelf less than 40 cm deep........ a few wide radius tracks and turnouts are used and "S" curves avoided.

Estacion de paso 40 cm.jpg


Hello Francisco,

That certainly is an elegant use of the C track.
It is a good design for a small station.
I love the potential for holding two trains, with interesting train movements including shunting.

A branchline terminus could easily use this same plan, with the end tracks to the right.
Brilliant!

Kimball
HO Scale - Märklin (ep II-III and VI, C Track, digital) - 2 rail HO (Queensland Australia, UK, USA) - 3 rail OO (English Hornby Dublo) - old clockwork O gauge - Live Steam 90mm (3.1/2 inch) gauge.
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Offline hvc  
#329 Posted : 10 March 2023 04:12:30(UTC)
hvc

Australia   
Joined: 03/06/2013(UTC)
Posts: 431
Location: Melbourne, VIC, Australia
Originally Posted by: PacoM Go to Quoted Post
While resdisigning part of my layout, I have set and show here a station on a shelf less than 40 cm deep, with an elegant (I think) access from the left. Firstly, with the building and trees on the left part, I try to hide the sharp 90º curve, so that a train is well seen only at the moment of entering the station tracks. Secondly, a few wide radius tracks and turnouts are used and "S" curves avoided.

Estacion de paso 40 cm.jpg


Very nice! Although unless you are planning to cut track, missing a couple of 24071 for the wide radius turnout?

Herman
- Herman
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Offline hvc  
#330 Posted : 10 March 2023 04:52:53(UTC)
hvc

Australia   
Joined: 03/06/2013(UTC)
Posts: 431
Location: Melbourne, VIC, Australia
Originally Posted by: Alsterstreek Go to Quoted Post
Back on track - something very geometric.
wye2023ht.jpg


Lovely!

For your consideration, then, the schlanke version (if you will forgive the 24206):

Untitled.jpg
- Herman
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Offline PacoM  
#331 Posted : 10 March 2023 10:14:27(UTC)
PacoM

Spain   
Joined: 20/08/2020(UTC)
Posts: 60
Good morning and thanks for your appreciations.
Kimball, the former design was a small terminal station indeed, that permitted bringing the locomotive to the other end of the consist. Then I decided to continue the layout with a shadow station and that has been the result.
You are completely right, Herman, I forgot to tell. I have posted the plan actually implemented, in order to use two parallel 24912 (radius 1114,6mm), visually more convincing for the platform, although that implied some side cutting of the pieces following the “schlanke” turnout 24711. Here is a solution using the orthodox 24071s.
Regards
Francisco

Estacion de paso 40 cm -2.jpg
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Offline hvc  
#332 Posted : 10 March 2023 12:18:43(UTC)
hvc

Australia   
Joined: 03/06/2013(UTC)
Posts: 431
Location: Melbourne, VIC, Australia
Here's the Märlklin standard way to use R3 curved turnouts:

R3standard.jpg

but we can remove one of the 24315 tracks between the turnouts and add R9 easements, making a much more pleasing turn, at the cost of only 10cm of extra width

R3easement.jpg

still maintaining standard geometry and track spacing at each end.

- Herman
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Offline Alsterstreek  
#333 Posted : 10 March 2023 12:24:52(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,698
Location: Hybrid Home
In the past I used to say: "Never without my 24206 !"

Nowadays I add: "And never ever without my 24912 !"

BigGrin
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Offline mbarreto  
#334 Posted : 10 March 2023 14:09:36(UTC)
mbarreto

Portugal   
Joined: 18/02/2008(UTC)
Posts: 1,268

What I am going to write is nothing new, but I like it:
It is a good thing that the normal turnout (24611/2) angle is about the double that of the long turnouts (24711/2).
Then we have 2 x 24912 + 24206 approximately 30 degrees, and of course the angles of 2x 24912 and of 24224 are basically a match!

Regards,
Miguel




Best regards,
Miguel
Mostly Märklin H0.


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Offline PacoM  
#335 Posted : 10 March 2023 22:20:14(UTC)
PacoM

Spain   
Joined: 20/08/2020(UTC)
Posts: 60
I agree with both of you completely.
You can see in the picture attached a view, from the central platform, of the left part of the station and the platform between the two 24912.
Regards
Francisco

Rincon desde estacion.jpg

And now a more conventional view

Estacion Sur.jpg

Edited by user 11 March 2023 18:40:49(UTC)  | Reason: Insertion of another picture

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Offline hvc  
#336 Posted : 11 March 2023 01:38:08(UTC)
hvc

Australia   
Joined: 03/06/2013(UTC)
Posts: 431
Location: Melbourne, VIC, Australia
Originally Posted by: mbarreto Go to Quoted Post

What I am going to write is nothing new, but I like it:
It is a good thing that the normal turnout (24611/2) angle is about the double that of the long turnouts (24711/2).
Then we have 2 x 24912 + 24206 approximately 30 degrees, and of course the angles of 2x 24912 and of 24224 are basically a match!

Regards,
Miguel



Indeed! And mixing them you can produce closer track spacing. Alsterstreek is the master of this, but a simple example of close spacing using (24611/2) = 2*(24711/2), starting from standard geometry:

Screen Shot 2023-03-11 at 11.02.25 am.jpg

or

Screen Shot 2023-03-11 at 11.30.13 am.jpg

- Herman
- Herman
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Offline revmox  
#337 Posted : 30 March 2023 06:55:53(UTC)
revmox

Australia   
Joined: 26/05/2021(UTC)
Posts: 148
Location: Australia, East Maitland, NSW
The standard C track buffer stop takes up a fair bit of space. Here are some much smaller 3D printed items that might be of interest to someone.

There are two types - a 9mm long one without a full ballast slope for finishing hard up to a wall or in a bay platform - and one about 15mm long with a full ballast slope. Mounting is with two standard 74990 track screws. They also come with or without ballast textures.

They can be found on TinkerCAD under my revmox username or maybe just search for Marklin. I haven't uploaded the sti files as the sizes of the textured versions are 11MB and 23MB. Note that TinkerCAD isn't really made for such a complex texture and really churns for a long time to process and export the textured versions. Grab a really big drink and be patient.

I haven't painted any of them yet but would just do the buffer blocks in white and the ballast to match normal track base. If someone knows a paint that is a good match for the ballast then please let me know.

Buffer 1.jpg

Buffer 2.jpg

Buffer 3.jpg

Buffer 4.jpg
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Offline Toosmall  
#338 Posted : 30 March 2023 07:17:20(UTC)
Toosmall

Australia   
Joined: 26/07/2021(UTC)
Posts: 626
Location: Sydney
Physical textures make files a lot larger due to massive polygon count.
Offline Alsterstreek  
#339 Posted : 01 April 2023 14:39:51(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,698
Location: Hybrid Home
Originally Posted by: revmox Go to Quoted Post
If someone knows a paint that is a good match for the ballast then please let me know.


Either RAL 7010 "Zeltgrau" or RAL 7009 "Grüngrau" seem to be close.

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Offline kimballthurlow  
#340 Posted : 01 April 2023 22:43:22(UTC)
kimballthurlow

Australia   
Joined: 18/03/2007(UTC)
Posts: 6,684
Location: Brisbane, Australia
Originally Posted by: revmox Go to Quoted Post
The standard C track buffer stop takes up a fair bit of space. Here are some much smaller 3D printed items that might be of interest to someone.

There are two types - a 9mm long one .. - and one about 15mm long w.....


Hi Mark,
Congratulations, that is brilliant.
A home layout can certainly use space-saving devices like that everywhere.
If you make them to sell please let me know.

regards
Kimball

HO Scale - Märklin (ep II-III and VI, C Track, digital) - 2 rail HO (Queensland Australia, UK, USA) - 3 rail OO (English Hornby Dublo) - old clockwork O gauge - Live Steam 90mm (3.1/2 inch) gauge.
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Offline revmox  
#341 Posted : 02 April 2023 01:02:23(UTC)
revmox

Australia   
Joined: 26/05/2021(UTC)
Posts: 148
Location: Australia, East Maitland, NSW
Hi Kimball,

My 3D printer skills aren't good enough for commercial production but I'm happy to run off a bunch and post them up to you for comment and any suggestions you have for improvement. PM me your delivery address and any preference in style.

That said, I'm off to hospital tomorrow and it may be a week or two or three before I'm released and able to send them. Sad

BTW - as our resident C-track guru - do you know another locally available paint that is a good match for C-track road base?

Cheers,

Mark
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Offline DasBert33  
#342 Posted : 02 April 2023 15:04:44(UTC)
DasBert33

Belgium   
Joined: 21/01/2004(UTC)
Posts: 1,246
Just wanted to mention, don't forget about my track buffers available on Thingiverse:

https://www.thingiverse.com/thing:4763268


If you want a .step version of the 'mating part' of the C-track or my Freecad design sources I can always provide these. It will make your custom buffers snap to regular c-track without needing additional fastening or glueing.

Can you please elaborate on how you did the texturing? I would like to add it to my designs as well. Is it possible to give a direct link to your work on ThinkerCAD? I can't seem to find the designs (I don't have a login).

Given my recent interest in US models (see the other topic with the F7 printable cabs) I am also considering making a printable american style buffer for C-track.

BR,
Bert
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Offline marklinist5999  
#343 Posted : 03 April 2023 15:28:25(UTC)
marklinist5999

United States   
Joined: 10/02/2021(UTC)
Posts: 3,219
Location: Michigan, Troy
I use two of the C track end buffers on the roadbed. They aren't protypical looking, and I could have only used the ones without roadbed and just burried the track ends with ballast.
After I added ballast around the roadbed ends, it looks good.
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Offline kimballthurlow  
#344 Posted : 04 April 2023 02:09:48(UTC)
kimballthurlow

Australia   
Joined: 18/03/2007(UTC)
Posts: 6,684
Location: Brisbane, Australia
Originally Posted by: marklinist5999 Go to Quoted Post
I use two of the C track end buffers on the roadbed. They aren't protypical looking, and I could have only used the ones without roadbed and just burried the track ends with ballast.
After I added ballast around the roadbed ends, it looks good.


Hello 5999,
Did you means the end buffers printed from Mark's (revmox) 3D files?

Kimball
HO Scale - Märklin (ep II-III and VI, C Track, digital) - 2 rail HO (Queensland Australia, UK, USA) - 3 rail OO (English Hornby Dublo) - old clockwork O gauge - Live Steam 90mm (3.1/2 inch) gauge.
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Offline marklinist5999  
#345 Posted : 04 April 2023 13:53:54(UTC)
marklinist5999

United States   
Joined: 10/02/2021(UTC)
Posts: 3,219
Location: Michigan, Troy
No Kimball, like the one start-up ones without the lantern. I type-o'd on the roadbed. Should have said with roadbed. Sorry.
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Offline kimballthurlow  
#346 Posted : 07 April 2023 01:48:13(UTC)
kimballthurlow

Australia   
Joined: 18/03/2007(UTC)
Posts: 6,684
Location: Brisbane, Australia
Originally Posted by: revmox Go to Quoted Post
.... - do you know another locally available paint that is a good match for C-track road base?

Cheers,

Mark


Hi Mark,
I keep all my paint stirring sticks (marked with the make and number) for re-use.
For myself I have never bothered about the ballast colour.

So I compared 12 of my grey colours , and IMO Humbrol #92 Iron Grey came the closest to the C track road base.
It has enough dirtiness in it compared to other shades.
The Tamiya colour (I think these are sprays) AS-4 or TS-4 (German Grey) might do, but I think a little too dark.

I notice when I search Humbrol #92 it may not be available.
Try this site for a match Match for Iron Grey
But if you want my take on it, use a grey as close as you can get, then re-colour the particular pieces and then a few inches either way with some weathering techniques to hide the difference.

regards
Kimball


HO Scale - Märklin (ep II-III and VI, C Track, digital) - 2 rail HO (Queensland Australia, UK, USA) - 3 rail OO (English Hornby Dublo) - old clockwork O gauge - Live Steam 90mm (3.1/2 inch) gauge.
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Offline revmox  
#347 Posted : 08 April 2023 06:47:32(UTC)
revmox

Australia   
Joined: 26/05/2021(UTC)
Posts: 148
Location: Australia, East Maitland, NSW
Hi All,

Back from hospital but it seems I will be totally out of commission for a few weeks.

DasBert: Your buffer on Thingiverse looks like a very nice item.

I didn't go with a click fit to allow for use with cut track pieces.

For ballast texture I just used some TinkerCAD half spheres scattered around randomly, 0.6Hx0.7Wx0.7D, low number of sides. Blob a few around, turn this way and that way, copy and paste until it looks busy enough.

There is no chance a 0.4 nozzle will follow this but it produced an overall blotchy effect. Given the high item count and processing overhead I'll experiment with something different for a texture base next time - apparently ignorance has no bounds. PLA 70/60 bed, 200 nozzle, slow settings, 0.2 layers.

BTW - I would also reduce the "solid base" dimension a bit because the ballast texture obviously bumps up the overall finished size.

Texture 2.jpg

Ballast Texture v2.zip (3,483kb) downloaded 18 time(s).

Here's some zipped printer files.

Marklin Compact Buffer v1.zip (8kb) downloaded 22 time(s).
Marklin Compact Buffer v2.zip (12kb) downloaded 17 time(s).
Marklin Compact Buffer v1-1.zip (5,161kb) downloaded 16 time(s).
Marklin Compact Buffer v2-1.zip (10,566kb) downloaded 19 time(s).

Thanks to Kimball and Alsterstreek for the suggestions on road base colour. I have had dreadful luck using colour charts and online guides.
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Offline revmox  
#348 Posted : 25 April 2023 00:16:11(UTC)
revmox

Australia   
Joined: 26/05/2021(UTC)
Posts: 148
Location: Australia, East Maitland, NSW
I was asked to do a version of the compact buffer with a solid buffer bar. While doing that I revised the earlier designs to improve the appearance of the ballast and make the whole thing a bit less chunky.

New designs are publicly available on TinkerCad - just search for Marklin. If anyone is really stuck I will see if I can upload the stl files but, even when zipped, the versions with lots of ballast are over 20MB which I believe is the forum limit.

The version with the solid buffer bar is a two part design with 2mm pins on the bar mating to 2mm holes on the main assembly and needs to be glued. You may have to drill those holes out if your 3D printing skills are as dodgy as mine.

Working on getting a better match for the ballast colour ...

EDIT - Raw stl files for all items should be available for one week via this link https://www.filemail.com/d/qddshphzmiefjlq


V3 Buffer 1.jpg

V3 Buffer 2.jpg

V3 Buffer 3.jpg

Edited by user 25 April 2023 04:47:20(UTC)  | Reason: Not specified

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Offline Alsterstreek  
#349 Posted : 23 October 2023 19:51:48(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,698
Location: Hybrid Home
I win.
C2023track-cut.jpg
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Offline kimballthurlow  
#350 Posted : 20 December 2023 00:23:20(UTC)
kimballthurlow

Australia   
Joined: 18/03/2007(UTC)
Posts: 6,684
Location: Brisbane, Australia
JohnjeanB has this to say about the C track spade connectors in another topic.
I thought it worthy to add here because it is a useful and sometimes important issue when laying C track. Thank you JohnjeanB.
(Here is the original topic - https://www.marklin-users.net/fo...Track-and-spade-adapters

Soldering the wire directly on the rail is a permanent solution but sometimes not so convenient.
So spade connectors may be very helpful.
It seems to me that track male spade connectors don't have the standard thickness so it is important to watch for the orientation of the female connector (Märklin 74995).
When plugging on a rail, the open and curled part of the connector must be facing down (away from the track).

There is a little trick
1- take the crimpled female connector so that the "open" side is facing you
2- insert the female connector into the tip of the male contact, forcing it at a 20° angle outwards so that you may slide the connector all the way.
NEVER try to squeeze the female contact once it is in place (only before insertion)

Also, when rfe-using a female connector (from another rail), because the "embossing" of the male connector varies from rail to rail, you must check its tightness and possibly, make it tighter by squeezing gently the two curled parts
Sans titre.png

Note: you may find these connectors on the electronic market but often they are adjusted for thicker male connectors
A professional crimpling tool is a great help to secure the wire.

Cheers
Jean
HO Scale - Märklin (ep II-III and VI, C Track, digital) - 2 rail HO (Queensland Australia, UK, USA) - 3 rail OO (English Hornby Dublo) - old clockwork O gauge - Live Steam 90mm (3.1/2 inch) gauge.
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