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Japanese Government Railways class C11
The C11 was a 2-6-4T tank locomotive designed by Hideo Shiima for service on secondary lines. It was closely based on the C10, but had a reduced weight thanks to the increased use of welding. Production started in 193...
| Japanese Government Railways class C11Remove | |
|---|---|
| Variant | |
| Built | 1932-1947 |
| Manufacturers | Hitachi;Kisha Seizō;Kawasaki;Nippon Sharyō |
| Wheel arrangement | 1C2 t |
| Gauge | 1067 mm |
| Length | 12650 mm |
| Service mass | 68060 kg |
| Top speed | 95 km/h |
| Power | |
| Engine |
General
| Property | Japanese Government Railways class C11Remove |
|---|---|
| Built | 1932-1947 |
| Manufacturers | Hitachi, Kisha Seizō, Kawasaki, Nippon Sharyō |
| Wheel arrangement | 2-6-4T (Adriatic) |
| Gauge | 1,067 mm |
Dimensions and weights
| Property | Japanese Government Railways class C11Remove |
|---|---|
| Length | 12.65 m |
| Wheelbase | 10.56 m |
| Service mass | 68.1 t |
| Adhesion mass | 39.4 t |
| Rigid wheelbase | 4.10 m |
| Axle load | 13.2 t |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | Japanese Government Railways class C11Remove |
|---|---|
| Grate area | 1.6 m² |
| Firebox surface | 10 m² |
| Tube heating surface | 63.2 m² |
| Evaporative heating surface | 73.2 m² |
| Superheater surface | 29.8 m² |
| Total heating surface | 103.0 m² |
Power plant
| Property | Japanese Government Railways class C11Remove |
|---|---|
| Driver diameter | 1,520 mm |
| Boiler pressure | 15 bar |
| Expansion type | simple expansion |
| Cylinders | two, 460 x 610 mm |
Power
| Property | Japanese Government Railways class C11Remove |
|---|---|
| Power source | steam |
| Indicated power | 576 kW (783 PS) |
| Top speed | 95 km/h |
| Starting effort | 108.3 kN |
Calculated values
| Property | Japanese Government Railways class C11Remove |
|---|---|
| Factor of adhesion | 1 : 3.57 |
| Optimal speed | 32 km/h |
| Power-to-weight ratio | 8.5 kW/t |
| Heating Surface Equivalent | 182.8 m² |
| Cylinder volume/HSE | 1 : 1,109.15 |
| Adhesive weight/Total | 1 : 1.73 |
| Tractive force/Heating surface | 1 : 21.95 |
| Grate area/Heating surface | 1 : 64.38 |
| Firebox/Tube surface | 1 : 6.32 |
| Total/Superheater | 1 : 2.46 |
