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2 gauge

{{Short description|Model railroad gauge}}

{{For|the firearm size|2 bore}}

{{more citations needed|date=September 2014}}

{{Infobox model rail scale

| name =2 gauge

| image_filename =

| image_caption =

| widthpx =

| scale =

| standard =

| ratio =ca. 1:22.5

| gauge ={{RailGauge|64mm}}
later: {{RailGauge|2in}}

| prototype_gauge ={{RailGauge|sg|allk=on}}

}}

File:Kleine Sächsische Schweiz, Zug.jpg

Gauge 2 (also called 2 gauge or II gauge) is a model railway gauge, originally {{RailGauge|64mm}},{{cite web|url=http://www.miba.de/morop/nem010_d.pdf|publisher=NEM|title=Normen Europäischer Modellbahnen Maßstäbe, Nenngrößen, Spurweiten|language=German|date=2011|accessdate=2014-05-15|archive-date=2016-03-03|archive-url=https://web.archive.org/web/20160303174618/http://www.miba.de/morop/nem010_d.pdf|url-status=dead}} then standardised in 1909 at {{RailGauge|2in|first=imp}}, a 20% reduction and a change in definition: from mm to inch.{{citation needed|date=February 2016}} It has since fallen into disuse. The gauge was introduced by Märklin at the Leipzig toy fair in 1891. Gauge 2 was equivalent to a 1:22.5 scale.

Related scales and gauges

After the change to {{RailGauge|2in}} in 1909, {{RailGauge|64mm}} gauge was standardised as 3 gauge (or III gauge).

European G gauge trains are built to the same II gauge scale, but with a narrow rail gauge of {{RailGauge|45mm}} (the same as 1 gauge). This G gauge at 1:22.5 scale represents {{RailGauge|1000mm|allk=on}} narrow-gauge railways. This scale-gauge combination is sometimes called IIm in European literature.

In the UK, Gauge 2 was 2 inches (50.8 mm) while Gauge 3 was {{RailGauge|2.5in}}. From this, it follows that G gauge is sometimes, albeit rarely, referred to as 3m. A 2 inch (50.8 mm) gauge of standard gauge locos gives a scale of 1:28.25, not so far off the 1/29 used by some manufactures with {{RailGauge|45mm}} gauge track. In the grand tradition of model rail gauges often being narrower than the full scale equivalent (00 scale being the classic example) this is deemed perfectly acceptable.

See also

External links

{{Wiktionary}}

{{Commons category}}

  • [https://www.16mm.org.uk/ Association of 16mm Narrow Gauge Modellers]

References

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{{DEFAULTSORT:2 Gauge}}

Category:Model railroad scales

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