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Offline mike c  
#1 Posted : 17 March 2023 20:28:48(UTC)
mike c

Canada   
Joined: 28/11/2007(UTC)
Posts: 7,890
Location: Montreal, QC
I had the idea of using yellow LED strips in the smoking section of my 60s and 70s coaches and bright white for the non-smoker's section
I know that repeated smoke would have yellowed the light covers, but I don't know if it would be that visible from outside.

What do you think about this idea?

Regards

Mike C
Offline David Dewar  
#2 Posted : 17 March 2023 23:42:06(UTC)
David Dewar

Scotland   
Joined: 01/02/2004(UTC)
Posts: 7,340
Location: Scotland
Good idea Mike but there is quite a difference between the white and yellow LEDs and not sure if smoke would make that difference. You could try on one coach to see the results. I have seen warm white and yellow LEDs where the difference is not as much. Think they came in a LED strip but I forget the manufacturer.

David
Take care I like Marklin and will defend the worlds greatest model rail manufacturer.
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Offline dickinsonj  
#3 Posted : 18 March 2023 00:29:45(UTC)
dickinsonj

United States   
Joined: 05/12/2008(UTC)
Posts: 1,677
Location: Crozet, Virginia
I think it would make a difference and not just from the smoke staining the lights. At that time the air was often dark with smoke in many public spaces and that haze filters out a lot of light and changes colors..

I think the idea is brilliant. 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 Toosmall  
#4 Posted : 18 March 2023 04:15:14(UTC)
Toosmall

Australia   
Joined: 26/07/2021(UTC)
Posts: 614
Location: Sydney
I agree as above. The yellow LED will just look too yellow.

Just get a Rosco gel swatch book and add a gel or 2 over the light to change colour temperature. It will also drop light output a bit as well.

https://www.bhphotovideo..._Cinegel_Swatchbook.html

https://www.bhphotovideo...els/ci/1329/N/3662541030


I think Rosco 3443 Quarter Straw (Mired shift +42, transmission 81%) or 3409 Roscosun (also, Mired shift +42, transmission 81%) would be a better colour. It's leaning a bit more to a coffee colour (I once cleaned the walls of an office from decades of smoking (not me)).

default_62.jpg
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Offline Toosmall  
#5 Posted : 18 March 2023 09:29:36(UTC)
Toosmall

Australia   
Joined: 26/07/2021(UTC)
Posts: 614
Location: Sydney
The above link was for the small swatch book.

This is for the larger one 75mm x 150mm (it's the one I have)

https://www.bhphotovideo..._Cinegel_Swatchbook.html
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Offline river6109  
#6 Posted : 18 March 2023 10:01:38(UTC)
river6109

Australia   
Joined: 22/01/2009(UTC)
Posts: 14,704
Location: On 1965 Märklin Boulevard just around from Roco Square
Mike, wouldn't it be quicker and easier, you just exhale the cigarette smoke onto the Led's and see if it makes any difference and what colour you finish up with, I wonder if it works more effectivly with a cigar, if you are a none smoker just walk onto the street and ask a walking by person who is a smoker.,

John
https://www.youtube.com/river6109
https://www.youtube.com/6109river
5 years in Destruction mode
50 years in Repairing mode
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Offline kiwiAlan  
#7 Posted : 18 March 2023 20:38:08(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 8,097
Location: ENGLAND, Didcot
Originally Posted by: river6109 Go to Quoted Post
Mike, wouldn't it be quicker and easier, you just exhale the cigarette smoke onto the Led's and see if it makes any difference and what colour you finish up with, I wonder if it works more effectivly with a cigar, if you are a none smoker just walk onto the street and ask a walking by person who is a smoker.,

John


maybe you could purchase some suitable colourant off the originator of this story ... Scared Scared Scared Scared Scared Scared

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Offline Ross  
#8 Posted : 18 March 2023 22:10:57(UTC)
Ross

Australia   
Joined: 25/09/2006(UTC)
Posts: 871
Location: Sydney, NSW
Hi Mike/All,

I had this dilemma and experimented with white and yellow LEDs. See articles below.

LED Light Choice

LED Tinting


Originally Posted by: mike c Go to Quoted Post
I had the idea of using yellow LED strips in the smoking section of my 60s and 70s coaches and bright white for the non-smoker's section
I know that repeated smoke would have yellowed the light covers, but I don't know if it would be that visible from outside.

What do you think about this idea?

Regards

Mike C
Ross
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Offline kiwiAlan  
#9 Posted : 18 March 2023 22:26:38(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 8,097
Location: ENGLAND, Didcot
Originally Posted by: Ross Go to Quoted Post
Hi Mike/All,

I had this dilemma and experimented with white and yellow LEDs. See article below.

LED Light Choice



Interesting comparison Ross. I have both of these lighting kits, and have been fitting them on the basis of warm white/yellow for older trains to represent tungsten lamps, and cool white for newer coaches that would have been fitted with fluorescent lighting.

I wonder if the first class sections of the coaches you are showing would in real life have used fluorescent lighting?

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Offline JohnjeanB  
#10 Posted : 18 March 2023 22:34:05(UTC)
JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 3,113
Location: Paris, France
Hi Mike

I suppose the choice is more between cold white and warm white which you can find easily (5 m rolls with self adhesive)
I have noticed that what is critical for the ambiance is the painting of the interior decoration and the selected colors have a tremendous impact on the looks
Here are some Märklin coatches that are using warm white LEDs strings
The car in the front is standard Märklin lighting
Eclairage wagons LED.png

Note: some stained glass paints (Vitrail by Pebeo) allow fun effects
I also use special LEDs for Xmas with integrated IC and light change for adverts
Cheers
Jean
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Offline Ross  
#11 Posted : 18 March 2023 22:36:32(UTC)
Ross

Australia   
Joined: 25/09/2006(UTC)
Posts: 871
Location: Sydney, NSW
Hi Alan,

I would never use the Marklin yellow LED lights again because once you put passengers into the coaches with yellow lights they all take on a murky dull look.

I have started to use clear acrylic paints more to change the colour balance of the light output and I also dim the lights so they are less bright.

Originally Posted by: kiwiAlan Go to Quoted Post
Originally Posted by: Ross Go to Quoted Post
Hi Mike/All,

I had this dilemma and experimented with white and yellow LEDs. See article below.

LED Light Choice



Interesting comparison Ross. I have both of these lighting kits, and have been fitting them on the basis of warm white/yellow for older trains to represent tungsten lamps, and cool white for newer coaches that would have been fitted with fluorescent lighting.

I wonder if the first class sections of the coaches you are showing would in real life have used fluorescent lighting?



Ross
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Offline Ross  
#12 Posted : 18 March 2023 22:40:22(UTC)
Ross

Australia   
Joined: 25/09/2006(UTC)
Posts: 871
Location: Sydney, NSW
Hi Jean,

Nice LED lighting with the warm white LEDs Looks good.
Ross
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Online marklinist5999  
#13 Posted : 19 March 2023 00:53:42(UTC)
marklinist5999

United States   
Joined: 10/02/2021(UTC)
Posts: 3,115
Location: Michigan, Troy
White interior reflects more and enhances the white. Soft yellow is better for them. Cool or soft white better for grey or black interior.
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Offline BenP  
#14 Posted : 19 March 2023 05:07:38(UTC)
BenP

United States   
Joined: 04/02/2021(UTC)
Posts: 344
Location: Michigan, Ann Arbor
I use warm white leds for all lights and add a dab of white acrylic paint to `age` the light.
Digital M (+ some K) track layout with mostly vintage rolling stock and accessories, and small Z scale layout.
https://youtube.com/play...0kgVYbh0CeDTF-bYXoD_2-V9
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Offline mario54i  
#15 Posted : 19 March 2023 13:33:33(UTC)
mario54i

Italy   
Joined: 28/03/2007(UTC)
Posts: 283
Location: Torino,
Originally Posted by: JohnjeanB Go to Quoted Post

I also use special LEDs for Xmas with integrated IC and light change for adverts


Neopixels WS2812 ?

Offline JohnjeanB  
#16 Posted : 19 March 2023 21:19:35(UTC)
JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 3,113
Location: Paris, France
No, it comes from a Xmas lighting kit where each diode (smaller then old-style diodes) changes progressively colours (Yellow, Blue Red combilation) and powered with a 12 VDC
Jean
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