2mm Finescale Standards
These are based on the the 2mm Scale Association "Finescale Standards" and define the track and wheel relationships for models built to a consistent scale of 1:152 (or 2mm:1ft). These are also supported by the Broad Gauge Society.
| Track Dimensions | |||
|---|---|---|---|
| TG | Track Gauge | (min) | 14.04 |
| GW | Gauge Widening | 0.10 under 36" radius |
|
| WF | Wing-Rail Flangeway | 0.50 | |
| CF | Check Rail Flangeway | (min) | 0.56 |
| (max) | 0.58 | ||
| CG | Check Gauge | (min) | 13.56 |
| BC | Between Checks | (max) | 13.00 |
| RH | Recommend Rail Height | Code 40 | |
| Wheel Dimensions | |||
| WG | Wheel Gauge | ? | |
| BB | Back-To-Back | (min) | 13.13 |
| (max) | 13.20 | ||
| OT | Over Tyre Face | 15.73 | |
| AL | Axle Length | 16.75 | |
| TW | Tyre Width | (min) | 1.22 |
| (max) | 1.30 | ||
| TR | Tread Width | 1.00 | |
| FW | Flange Width / Thickness | (max) | 0.30 |
| FD | Flange Depth | 0.51 | |
| FR | Flange Tyre Radius | 0.13 | |
| TC | Tyre Coning | 3° | |
| Check Dimension | (max) | 13.50 | |
