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Old 11-01-2018, 10:07 PM   #11
JohnC o14
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The main spiral around the quarry was 26" when designed (and on a 1 in 28 gradient) but there is a reverse curve which I think is about 23". All such curves have superelevation. The locos really have to work!
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Old 11-01-2018, 11:52 PM   #12
Mountain Goat
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I found that in 16.5mm gauge that 2' wide diameter was about as sharp as I'd dare make it. I did include a checkrail. I do need to be selective about what I build to run on it.
Gradients on curves must be a challenge. Do you need scratchbuilt loco chassis or can commercial chassis be reguaged? I guess it is a bit tight if it can.
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Old 12-01-2018, 08:43 AM   #13
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All my locos are either scratchbuilt (my L&B MW) or from kits and use springing and/or compensation. That said, a few visiting locos with rigid chassis have had little trouble on the layout but they were all short wheelbase - including another K1 Garratt which is of course two engines. I confess I've never tried re-gauging RTR chassis but I know others have. I found I needed to add checkrails on my 23" reverse curve as occasionally some locos derailed on the transition.
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Old 12-01-2018, 09:58 AM   #14
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Wow! That is impressive to say the least!
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Old 12-01-2018, 10:19 AM   #15
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That is lovely layout thanks for post the pictures.
On my next layout I am going to try and fit in a small narrow gauge 00/9 line of some kind. If it is only a small dock yard or Factory yard.
Newcastle was interesting because there were so many Brewery railway lines networking the city years ago and so many level crossings it was said that it would be impossible to rob a bank in the town because they would for sure be held up by the level crossing gates and they would never get away with it. John
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Old 12-01-2018, 12:03 PM   #16
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Great pics John, thanks for sharing.
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Old 12-01-2018, 10:31 PM   #17
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Hi John welcome to the forum fantastic modelling great pictures.
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