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Sugar Pine Lumber Co. No. 5 “Minaret”
The Sugar Pine Lumber Co., founded in 1923, was a logging railroad in the Sierra Nevada in California that called itself the “crookedest railroad ever built”. Nevertheless, they used locomotives with multiple driving ...
General
| Property | Sugar Pine Lumber Co. No. 5 “Minaret”Remove |
|---|---|
| Built | 1927 |
| Manufacturers | ALCO |
| Wheel arrangement | 2-10-2ST (Santa Fé) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Sugar Pine Lumber Co. No. 5 “Minaret”Remove |
|---|---|
| Wheelbase | 10.74 m |
| Rigid wheelbase | 5.79 m |
| Service weight | 121.3 t |
| Adhesive weight | 96.6 t |
| Axle load | 19.3 t |
| Water capacity | 15,142 l |
Boiler
| Property | Sugar Pine Lumber Co. No. 5 “Minaret”Remove |
|---|---|
| Grate area | 3.112 m² |
| Evaporative heating surface | 224.361 m² |
| Superheater surface | 54.627 m² |
| Total heating surface | 279.0 m² |
Power plant
| Property | Sugar Pine Lumber Co. No. 5 “Minaret”Remove |
|---|---|
| Driver diameter | 1,219 mm |
| Boiler pressure | 15.2 bar |
| Expansion type | simple expansion |
| Cylinders | two, 559 x 711 mm |
Power
| Property | Sugar Pine Lumber Co. No. 5 “Minaret”Remove |
|---|---|
| Power source | steam |
| Estimated power | 969 kW (1,317 PS) |
| Starting effort | 234.8 kN |
Calculated values
| Property | Sugar Pine Lumber Co. No. 5 “Minaret”Remove |
|---|---|
| Factor of adhesion | 1 : 4.04 |
| Optimal speed | 26 km/h |
| Power-to-weight ratio | 8.0 kW/t |
| Adhesive weight/Total | 1 : 1.26 |
| Tractive force/Heating surface | 1 : 17.58 |
| Grate area/Heating surface | 1 : 89.65 |
| Total/Superheater | 1 : 4.11 |
