Finger Lakes Live Steamers, Inc.

Wheel Standards

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KEY TO DIAGRAM

TG
(Track Gauge)

T
(Tire Width)

W
(Flange Width)

F
(Flange Depth)

R
(Fillet Radius)

B
(Back to Back)

G
(Wheel Gauge)

H*
(Coupler Height)

PROTOTYPE

56.500

5.500

1.156

1.125

0.688

53.380

55.692

?

1:32 Scaled Prototype

1.766

0.172

0.036

0.035

0.022

1.668

1.740

 

Gauge No. 1 Standard

45mm
+0/-0.5

6mm
+0/-0.5

1.5mm
+0/0.5

2mm
MAX.

0.5mm
MIN.

40mm
+0.5/-0

43mm
Ref.

34mm
British

Gauge No. 1 Standard

1.772
+0/-.020

0.236
+0/-.020

.060
+0/-.020

0.079
MAX.

.020
MIN.

1.574
+.020/-0

1.694
Ref.

1.125
Kadee
 

1:16 Scaled Prototype

3.531

0.344

0.072

0.070

0.043

3.336

3.481

 

3/4 Inch Scale Standard

3.500
MIN.

0.406
MIN.

0.094
MAX.

0.094
MAX.

0.047
+/-.008

3.281
+.020/-0

3.470
+0/-.020

2.250

1:12 Scaled Prototype

4.708

0.458

0.096

0.094

0.057

4.448

4.641

 

1 Inch Scale Standard

4.750
MIN.

0.505
MIN.

0.125
MAX.

0.140
MAX.

0.062
+/-.010

4.437
+.020/-0

4.690
+0/-.020

2.875

1:8 Scaled Prototype

7.062

0.688

0.144

0.141

0.086

6.672

6.962

 

1-1/2 Inch Scale Standard
 North East.

7.250
MIN.

0.750
MIN.

0.156
MAX.

0.187
MAX.

0.094
+/-.015

6.870
+.020/-0

7.190
+0/-.020

4.4375

1-1/2 Inch Scale Standard
West & South.
 

7.500
MIN.

0.750
MIN.

0.156
MAX.

0.187
MAX.

0.094
+/-.015

7.120
+.020/-0

7.440
+0/-.020

4.4375

Notes:

All Dimensions are in Inches, unless otherwise noted.

H* - Top of Rail to Center-Line of Coupler.

These Standards agree with the "IBLS Wheel Standards" published in the October 1981 issue of Live Steam magazine.