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is oo gauge 4 mm scale????


Baimor
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YES OO or more properly 00 is 4mm to the foot, 1/76, it runs on HO 3.5mm to the foot track (16.5mm apart).

There are many modeling scales /gauges in railways below is a list of the smaller gauges, with many intermediate sizes left out. Most have more accurate versions as well, I've listed EM and P4/S4 which are the more accurate versions of 4mm, 4ft 8.5in "00" gauge

G Gauge, Garden Gauge, this is also when used with 10mm to the ft modeling, approximately Gauge 1

Variable scale

45mm gauge

O Gauge, Zero Gauge , AKA Oh Gauge

7mm to 1ft, 1:43.5 scale

32mm gauge

OO Gauge, Zero Zero Gauge, aka OhOh gauge

4mm to 1 ft, 1:76 scale

16.5mm gauge

OO is by far the most popular gauge, although the gauge is 15% under scale.OO Gauge

EM gauge, Eighteen Millimeter

4mm to 1 ft, 1:76 scale

18.2mm gauge

Eighteen Millimeter is 1950's -ish attempt at a more accurate 4mm Scale

P4/S4 , Prototype 4, Scale 4.

4mm to 1 ft, 1:76 scale

18.83mm gauge

P$4/S4 is 1970's -ish attempt at a more accurate 4mm Scale (I won't go into the politics of the P$/S4 Designation). I doubt there would be many people that could build a successful outdoor railway to this accuracy.

HO Gauge, Half Zero Gauge

3.5mm to 1ft, 1:87 scale

16.5mm gauge

The same gauge as OO, but with the smaller scale the gauge is in correct proportion to the scale.

TT Gauge, Table Top gauge

3mm to 1 ft, 1:120 scale, 1/10th inch to the ft

12,13.4 or 14mm Gauge.

at one time there was commercial track and stock available for this scale.

N Gauge, Nine Millimeters Gauge

2mm to 1ft, 1:148 scale

9mm gauge

Twice as small as HO gauge

Z gauge ( because the first manufacturer thought this would be the last smaller scale)

1.65mm Ft

6mm Gauge

T Gauge, Three mm track gauge

1mm to the ft, 1:450, 1/480

3mm Gauge

is a Japanese scale running on 3mm track, much of real Japanese track is 3ft not 4ft 8.5 inches, So in Japan this is 1mm ft.

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