Postby jmass » Thu Mar 29, 2012 9:59 am

anybody have a comparison picture between tt and hon3 stock. the cardboard sides i bought are sold as tt/hon3. the sides were actually larger and the lenght was slightly longer than the hp kit. the ends were the same. joe
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Re: tt/hon3

Postby TinGoat » Fri Mar 30, 2012 6:28 pm

I can offer a rule of thumb but I should first note something.

TT Scale Standard Gauge is 12mm between the rails.

A closer comparison would be HOm/HOn3.5 which also runs on 12mm gauge track.

HOn3 runs on 10mm gauge track and would use slightly smaller equipment than the HOm/HOn3.5.

The Golden rule for a loading gauge is:

WIDTH 3.25 times track gauge

HEIGHT 5.25 times track gauge
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Re: tt/hon3

Postby scaro » Sat Mar 31, 2012 5:53 am

H0n3 is 10.5mm gauge.

3.5mm/ft x 3 for 3' prototypes.

i think a lot of cardboard sides were sold like this, and indeed bogies and other kit parts etc back in earlier days, as the size was felt to be near enough ... scratchbuilders would have just adjusted the sides and ends to fit, i guess.


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