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Gauge '3' Standards -
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Description
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Metric
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Imperial
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mm
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Inches
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| A |
Track
Gauge |
63.5
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2.500
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2.1/2"
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| B |
Over
Check Rails |
56.5
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2.218
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2.7/32"
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| C |
Flangeway |
3.5
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0.140
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9/64"
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| D |
Wheel
Back to Back |
58.0
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2.281
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2.9/32"
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| E |
Flange
Depth... |
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| E1 |
Unsprung
axle box |
2.3
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0.094
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3/32"
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| E2 |
Sprung
axle box |
2.0
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0.080
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5/64"
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| F |
Flange
Width |
1.6
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0.063
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1/16"
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| G |
Wheel
Width (Min) |
8.0
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0.313
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5/16"
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| H |
Over
Wheel Bosses |
76.2
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3.000
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3.0"
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| J |
Journal
Length |
8.0
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0.313
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5/16"
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| K |
Journal
Diameter |
4.0
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0.156
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5/32"
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| X |
Cone
Angle |
3 Degrees
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| Y |
Flange
Angle |
10 Degrees
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| Lateral
distance between buffer centres |
75mm
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2.15/16"
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| Buffer
Height above rails |
45mm
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1.13/16"
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| Rolling
Stock - Max Height above rails |
205mm
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8.0"
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| Rolling
Stock - Overall Width |
140mm
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5.1/2"
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