Technical Data

 

   

 


 

 

 

Triang Standard


Intermediate Standard

Fine Standards

 

Full

Size

3mm

Scale

12mm gauge

Dimension

12mm gauge


Dimension

12mm

gauge


Dimension

13.5mm

gauge


Dimension

14.2mm

gauge


Dimension

WHEELS

 

 

Min

Max

Min

Max

Min

Max

Min

Max

Min

Max

a. Outer faces

5’ 41/2

16.125

15.45

15.95

14.30

15.00

13.90

14.20

15.40

15.75

16.00

16.30

b. Back to back

4’ 51/2

13.375

10.10

10.35

10.65

12.15

12.75

 

 

 

10.05

10.15

10.30

10.40

10.60

10.70

12.10

12.20

12.70

12.80

c. Total width

51/2”-61/2

1.625

2.70

2.90

2.00

2.30

1.65

1.75

1.65

1.75

1.65

1.75

d. Flange width

11/8

0.28

0.65

0.75

0.40

0.60

0.30

0.40

0.30

0.40

0.30

0.40

e. Flange depth

11/8

0.28

0.80

1.10

0.50

0.75

0.50

0.55

0.50

0.55

0.50

0.55

f. Flange/tread

     radius

 

 

 

 

0.20

0.25

0.20

0.25

0.20

0.25

0.20

0.25

TRACK

 

 

 

 

 

 

 

 

 

 

 

 

v. Gauge

     (plain track)

4’ 81/2

14.125

12.00

12.20

12.00

12.10

12.00

12.10

13.50

13.60

14.10

14.20

v. Gauge

4’ 81/2

14.125

12.05

12.025

12.025

13.525

14.125

     (pointwork)

 

 

12.00

12.10

12.00

12.05

12.00

12.05

13.50

13.55

14.10

14.15

w. Check rail

4’ 63/4

13.69

10.90

11.05

11.20

12.70

13.30

     gauge

 

 

10.85

10.95

11.00

11.10

11.15

11.25

12.65

12.75

13.25

13.35

x. Check rail

13/4

0.44

1.10

0.95

0.80

0.80

0.80

     gap

 

 

1.00

1.15

0.90

1.00

0.75

0.85

0.75

0.85

0.75

0.85

y. Outer clearance

7/8

0.22

0.35

0.85

0.40

1.00

0.50

0.85

0.50

0.85

0.50

0.85

z. Inner clearance

1/2

0.125

0.10

0.45

0.10

0.40

0.10

0.40

0.10

0.40

0.10

0.40

The bold values for b, v, w, and x are the optimum dimensions.

Prototype dimensions are given in feet and inches. Model dimensions are in millimetres.

 

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Last updated: 24-10-2006