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

Australia   
Joined: 18/03/2007(UTC)
Posts: 6,371
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.
thanks 3 users liked this useful post by kimballthurlow
Offline dickinsonj  
#302 Posted : 22 January 2022 01:29:17(UTC)
dickinsonj

United States   
Joined: 05/12/2008(UTC)
Posts: 1,540
Location: United States
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!
I have models from Era I to Era VI, but I try to focus on Eras I & III. Whoops, that one got away from me. Let's just say I focus on cool trains, regardless of the particulars :-)
So many trains and so little time.
thanks 2 users liked this useful post by dickinsonj
Offline Alsterstreek  
#303 Posted : 24 January 2022 18:53:41(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,338
Location: Hybrid Home
Then a track inventory might be helpful.
2022ornament1.png
thanks 5 users liked this useful post by Alsterstreek
Offline kiwiAlan  
#304 Posted : 24 January 2022 19:25:55(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 7,106
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: 5,338
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

Portugal   
Joined: 14/01/2011(UTC)
Posts: 8
Location: Portugal
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 ...
the one who rarely leaves the cave ... >;)
thanks 1 user liked this useful post by Luis Teixeira
Offline Alsterstreek  
#307 Posted : 05 July 2022 17:05:00(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,338
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
thanks 5 users liked this useful post by Alsterstreek
Offline PacoM  
#308 Posted : 17 July 2022 18:04:10(UTC)
PacoM

Spain   
Joined: 20/08/2020(UTC)
Posts: 45
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!
thanks 4 users liked this useful post by PacoM
Offline kimballthurlow  
#309 Posted : 03 September 2022 08:48:23(UTC)
kimballthurlow

Australia   
Joined: 18/03/2007(UTC)
Posts: 6,371
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.
thanks 6 users liked this useful post by kimballthurlow
Offline fbaube  
#310 Posted : 09 November 2022 17:29:45(UTC)
fbaube

Finland   
Joined: 12/08/2020(UTC)
Posts: 12
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
thanks 1 user liked this useful post by fbaube
Offline revmox  
#311 Posted : 12 November 2022 01:35:15(UTC)
revmox

Australia   
Joined: 26/05/2021(UTC)
Posts: 87
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 6 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: 1,540
Location: United States
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!
I have models from Era I to Era VI, but I try to focus on Eras I & III. Whoops, that one got away from me. Let's just say I focus on cool trains, regardless of the particulars :-)
So many trains and so little time.
thanks 1 user liked this useful post by dickinsonj
Offline revmox  
#313 Posted : 12 November 2022 04:42:24(UTC)
revmox

Australia   
Joined: 26/05/2021(UTC)
Posts: 87
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: 5,338
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
thanks 7 users liked this useful post by Alsterstreek
Offline dickinsonj  
#315 Posted : 13 November 2022 00:39:29(UTC)
dickinsonj

United States   
Joined: 05/12/2008(UTC)
Posts: 1,540
Location: United States
See Below
Regards,
Jim

I have almost all Märklin and mostly HO, although I do have a small number of Z gauge trains!
I have models from Era I to Era VI, but I try to focus on Eras I & III. Whoops, that one got away from me. Let's just say I focus on cool trains, regardless of the particulars :-)
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: 1,540
Location: United States
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!
I have models from Era I to Era VI, but I try to focus on Eras I & III. Whoops, that one got away from me. Let's just say I focus on cool trains, regardless of the particulars :-)
So many trains and so little time.
thanks 2 users liked this useful post by dickinsonj
Offline Alsterstreek  
#317 Posted : 03 December 2022 19:04:46(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,338
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
thanks 6 users liked this useful post by Alsterstreek
Offline Alsterstreek  
#318 Posted : 03 December 2022 20:39:17(UTC)
Alsterstreek

Germany   
Joined: 16/11/2011(UTC)
Posts: 5,338
Location: Hybrid Home
By-catch: 2471x + 24071 + 24071 + 24077 + 24064 + 24064 + 24064 + 24206 + 24206 + 24649 + 24649
8FC143AB-D953-47D5-8CF7-ECE532B02BB6.jpeg
thanks 4 users liked this useful post by Alsterstreek
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