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British 2 ft Narrow Gauge In 12mm Scale 1:25
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 Posted: Sun Sep 8th, 2019 05:58 pm
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tebee
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Well, the yearn for larger scales has got to me and I'm trying a new variant 12mm scale on 24mm gauge track. Of course I'm going to 3d print most of it, but it won't be a commercial product, more a testbed for me to develop chassis designs that can be used in other scales and give room to fit the larger cheap radio control I'm been using in HO in small narrow gauge engines.
I'm thinking of building a slate quarry line - at the moment I'm replacing the slate roof on one of our rental houses and will have about 3000 used and broken slates ! Seems a shame to waste them ! Track will be handlaid and because everything will be RC, no electrics will be needed.    

Loco parts are currently printing 





And a few short 4w wagons done already 


Hopefully will get this test train together in the next week or so and see if everything I have carefully planned fits together.

Tom 



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 Posted: Mon Sep 9th, 2019 09:15 am
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tebee
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Yes, but I had my reasons for choosing it.  Firstly as I'm going to make everything myself I could use any scale - figures and road vehicles I'll probably cheat and use 1:24 ones as near enough. I wanted a scale that was bigger than On30 or even 1:35 so I could fit RC gear and batteries in easily. The next common scale used  for NG is 16mm scale, but It's a bit big for indoor use and more expensive to 3d print stuff as it's 2.3 times the volume of 12mm scale.

I could have gone for 1/2 inch scale(1:24) but I work in metric and 12mm is easy as I can just multiply things designed for 009 in 4mm scale by 3 when printing them. There is also the practical consideration that I can buy the axles 32mm long ready cut which will work for 24mm gauge but not for the 1 inch gauge needed for  1/2 inch scale. 

Also, as a bonus, I can write on here about this line without anyone complaining I'm doing product placement, as I don't see any commercial potential for this scale - no one else is quite as mad as me ! 
Tom



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 Posted: Mon Sep 9th, 2019 09:17 am
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tebee
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Oh - what happened to the post I was replying to there ?



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 Posted: Fri Sep 13th, 2019 10:54 pm
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tebee
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A  4w wagon assembled.




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