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National
Association of S Gaugers, Inc.
Engineering Group
Standard S3: Track - Standard
Gauge
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Track Gauge minimum
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Gmin
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0.883" 22.42mm
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Track Guage maximum
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Gmax
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0.905" 22.99mm
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Check Gauge minimum
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Cmin
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0.839" 21.32mm
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Span maximum
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Smax
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0.798" 20.27mm
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Flangeway maximum
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Fmax
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0.050" 1.27mm
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Flange Height minimum
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Hmin
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0.030" 0.76mm
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Point Spread maximum
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Pmax (E) Electrical
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0.819" 20.80mm
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Notes:
- For further information on Track & Wheels,
see NASG Standard S3 & S4 Help File.
- Recommended Wheel Contour is NMRA
RP-25 code 110.
- Adopted by the NASG - September 1998.
Drawn
by Randy Wilson - 20 October 1998
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Copyright© 2001-2006, National Association of S Gaugers, Inc. All rights reserved.
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