N gauge track standards.

[Phil O]

Hi All,

I have been forced to dip my toe into building 'N' gauge track, due to a Peco curved turnout derailing 0-6-0 locos, tank and tender. My question is what is the flangeway gap and the check span? What I have discovered when doing a trawl of the net, is ambiguous or downright misleading dimensions.

Many thanks

 

[Martin Wynne]

@Phil O

Hi Phil,

If you are looking for definitive dimensions for UK 1:148 N gauge, good luck with that. I have never found any.

For MOROP European N gauge, the crossing flangeway is 0.9mm max and the check span is 7.3mm max.
The check gauge is 8.1mm min:

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For USA N gauge, the ludicrous NMRA multi-dimensioning has a crossing flangeway of 0.76mm max and the check span is 7.52mm max.
The check gauge is 8.21mm min:

These two standards are significantly different, so I suspect a mix-up somewhere. I doubt the N gauge RTR manufacturers produce different models for different markets.

For his FiNetrax kits for UK N gauge, Wayne Kinney uses asymmetric flangeways.

I know nothing about N gauge modelling. We need an N gauge correspondent -- would you like to be it?

cheers,

Martin.

 

[Phil O]

Hi Martin,

Many thanks for the info. So long as I can get those locos to run through the turnout, I'm not going to get hung up on N gauge track building, I much prefer EM gauge.

For some reason the locos have been climbing the switch rail when taking the turnout road on the Peco curved turnout and it's been driving me nuts, so I foolishly volunteered to build one to replace it and also remove various short bits of track in the lead up to it, in the hopes that things will run through it a whole lot better.

Thanks.

 

[bainin]

Found this in the archives: I use Martin’s suggested standard (albeit for OO9 on hand built track) with success.
https://85a.uk/templot/archive/topics/topic_1334.php

 

[Phil O]

Thanks for that. Construction progress is a lot slower than I expected, I have only managed to produce the common crossing in the time that it would take to produce a 4mm turnout and I still have to add the guard rails.