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Milwaukee Road “James Toleman”
The “James Toleman” was designed by Frederick Charles Winby to test the installation of a long firebox between uncoupled axles. Each axle had its own cylinders, with the inner cylinders driving the first driving axle ...
General
| Property | Milwaukee Road “James Toleman”Remove |
|---|---|
| Built | 1893 |
| Manufacturers | Hawthorn, Leslie & Co. |
| Wheel arrangement | 4-2-2-0 |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Milwaukee Road “James Toleman”Remove |
|---|---|
| Service weight | 54.4 t |
| Adhesive weight | 31.8 t |
| Axle load | 15.9 t |
Boiler
| Property | Milwaukee Road “James Toleman”Remove |
|---|---|
| Grate area | 2.601 m² |
| Firebox surface | 16.964 m² |
| Tube heating surface | 168.842 m² |
| Evaporative heating surface | 185.806 m² |
| Total heating surface | 185.8 m² |
Power plant
| Property | Milwaukee Road “James Toleman”Remove |
|---|---|
| Driver diameter | 2,286 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | four, 432 x 559 mm |
Power
| Property | Milwaukee Road “James Toleman”Remove |
|---|---|
| Power source | steam |
| Estimated power | 559 kW (760 PS) |
| Starting effort | 93.5 kN |
Calculated values
| Property | Milwaukee Road “James Toleman”Remove |
|---|---|
| Factor of adhesion | 1 : 3.33 |
| Optimal speed | 37 km/h |
| Power-to-weight ratio | 10.3 kW/t |
| Heating Surface Equivalent | 270.6 m² |
| Cylinder volume/HSE | 1 : 1,209.49 |
| Adhesive weight/Total | 1 : 1.71 |
| Tractive force/Heating surface | 1 : 10.51 |
| Grate area/Heating surface | 1 : 71.44 |
| Firebox/Tube surface | 1 : 9.95 |
