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Hocking Valley class M-1
Shortly after the C&O had gained control over the Hocking Valley Railway, they ordered new Mikados for them which were similar to their own class K-1. ALCO-Richmond delivered numbers 180 to 184 in 1912, followed by 18...
General
| Property | Hocking Valley class M-1Remove |
|---|---|
| Built | 1912-1913 |
| Manufacturers | ALCO |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Hocking Valley class M-1Remove |
|---|---|
| Length | 22.90 m |
| Wheelbase | 10.62 m |
| Rigid wheelbase | 5.03 m |
| Total wheelbase | 20.54 m |
| Service weight | 146.3 t |
| Adhesive weight | 110.9 t |
| Total weight | 222.9 t |
| Water capacity | 34,069 l |
| Fuel capacity | 13.6 t (coal) |
Boiler
| Property | Hocking Valley class M-1Remove |
|---|---|
| Grate area | 6.132 m² |
| Firebox surface | 26.292 m² |
| Tube heating surface | 350.059 m² |
| Evaporative heating surface | 376.351 m² |
| Superheater surface | 78.503 m² |
| Total heating surface | 454.9 m² |
Power plant
| Property | Hocking Valley class M-1Remove |
|---|---|
| Driver diameter | 1,422 mm |
| Boiler pressure | 11.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 737 x 711 mm |
Power
| Property | Hocking Valley class M-1Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,976 kW (2,687 PS) |
| Starting effort | 270.3 kN |
Calculated values
| Property | Hocking Valley class M-1Remove |
|---|---|
| Factor of adhesion | 1 : 4.03 |
| Optimal speed | 45 km/h |
| Power-to-weight ratio | 13.5 kW/t |
| Heating Surface Equivalent | 664.8 m² |
| Cylinder volume/HSE | 1 : 911.74 |
| Adhesive weight/Total | 1 : 1.32 |
| Tractive force/Heating surface | 1 : 12.41 |
| Grate area/Heating surface | 1 : 74.18 |
| Firebox/Tube surface | 1 : 13.31 |
| Total/Superheater | 1 : 4.79 |
