Posted By tacfoley on 09 Nov 2010 07:28 AM
Posted By krs on 08 Nov 2010 11:35 PM
Posted By tacfoley on 08 Nov 2010 01:23 PM
In UK is is known as Gauge 3.
Yes, I never really understood how continental Europe and the UK ended up with two different names for the same model railroad gauge.
Does that mean 1:22.5 scale trains running on 45mm track is then called 3m rather than 2m as in Europe?
Knut - these day IIm IS 22.5 scale narrow gauge running on 45mm track - see
2 gauge[/b] (also called II gauge[/b]) is a model railway gauge
originally 64 mm (2.52 in), but standardised in 1909 at 50.8 mm/2 in but since fallen into disuse. The gauge was introduced by Märklin
at the Leipzig toy fair in 1891. 2 gauge was equivalent to 1:22,5 scale. 63 mm (2.48 in)/64 mm (2.52 in) gauge was standardised in 1909 as gauge 3. Gauge 2 was standardised at 2 in (50.8 mm).
To be correct, Gauge 3 is standard gauge rolling stock built to 1/22.5 scale and running on 64mm gauge track - the 'full-size' big brother to the metre gauge on 45mm track.
IIm is the European title for the narrow gauge stuff - 1/22.5 running on 45mm track. The 'm' in the title stands for metre.
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Tac - no disrespect and I'm sure what you posted is correct for the UK but it doesn't make any sense.
For all model railroad scales, the first designator is always the scale and the second designator the gauge of the prototype.
When there is no second designator, it's assumed that the protoype gauge is standard gauge or 1435mm (4ft 8 1/2 inches for our friends in the US)
Thus H0 is always the designator for 1:87.1 scale, with no second designator standard gauge prototype is assumed, but there is H0m (meter gauge), H0n3 (3-foot narrow gauge), Hon2 (2 foot narrow gauge, etc, etc., but all in a scale of 1:87.1
So when IIm "IS 22.5 scale running on 45mm track (the "m" meaning meter gauge in the prototype), then the II (or 2) designator must represent a scale of 22.5.
It doesn't make any sense then to suddenly change the scale designator just because the prototype gauge is changing - that is not done with any of the other dozen or so valid model railroad scale designators
To be correct, Gauge 3 is standard gauge rolling stock built to 1/22.5 scale and running on 64mm gauge track - the 'full-size' big brother to the metre gauge on 45mm track. [/Quote]
Also makes me wonder what the UK designation is for "European" gauge III model trains - 1:16 scale running on 89mm track for standard gauge like these: http://www.auvidel.de