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On Thu, 1/11/18, Andrew Young pandaman1431@... [O14] <O14@...> wrote:

Subject: Re: [O14] Re: Trent Valley 7mm Narrow Gauge Open Day 27th January
To: O14@...
Date: Thursday, January 11, 2018, 4:13 AM


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On Jan 11, 2018, at 02:38, Craig Parry thrustanparry7144@...
[O14] <O14@...>
wrote:
















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Thanks John; valuable information. Something I
have not seen is a gauge similar to the NMRA gauges you see
for O, On3 and On30 that give you other standard
measurements needed for clearances to platforms, tunnels,
multiple tracks etc. I can imagine that there is not any
single set of parameters that would apply to all the many
prototype railways that have existed.

This came to me as a problem when I started to put together
a small APA box diorama and was trying to decide how close
should the track run to a station platform to allow proper
passenger egress and freight unloading.



Craig

--------------------------------------------

Craig,
The simple answer is that where you
put your structures depends on the loading gauge of the
rolling stock you wish to run on it.
The best example of this is the
Ffestiniog and the Lynton & Barnstaple, sane Gauge,
vastly different sized carriages, particularly before
preservation.
This
remind me of the 7mmNGA ‘Getting Started’ booklet I
received when joining back in the ‘90s which had end on
drawings of the rolling stock of various narrow gauge lines,
including the L&B and FR demonstrating the
difference.
Cheers,Andrew










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