A group of 24 large, burly "Longboilers" built in Vienna. Had a vaulted firebox, large "dustbin-shaped" steam dome just behind the stack, short smokebox. First built with steel boiler plate, but rust and cracks forced a reversion to iron.
Principal Dimensions by Steve Llanso of Middle Run Media | |
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Class | HERFORD |
Locobase ID | 630 |
Railroad | Koln-Minden |
Country | Germany |
Whyte | 2-4-0 |
Number in Class | 24 |
Road Numbers | |
Gauge | Std |
Number Built | 24 |
Builder | StEG |
Year | 1866 |
Valve Gear | |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | |
Engine Wheelbase (ft / m) | |
Ratio of driving wheelbase to overall engine wheelbase | |
Overall Wheelbase (engine & tender) (ft / m) | |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 57,683 / 26,165 |
Engine Weight (lbs / kg) | 76,624 / 34,756 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | |
Tender Water Capacity (gals / ML) | |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 48 / 24 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 62.20 / 1580 |
Boiler Pressure (psi / kPa) | 120.40 / 830 |
High Pressure Cylinders (dia x stroke) (in / mm) | 18" x 24" / 457x610 |
Tractive Effort (lbs / kg) | 12,794 / 5803.27 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.51 |
Heating Ability | |
Tubes (number - dia) (in / mm) | |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | |
Firebox Area (sq ft / m2) | |
Grate Area (sq ft / m2) | 17 / 1.58 |
Evaporative Heating Surface (sq ft / m2) | 1292 / 120.07 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 1292 / 120.07 |
Evaporative Heating Surface/Cylinder Volume | 182.78 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 2047 |
Same as above plus superheater percentage | 2047 |
Same as above but substitute firebox area for grate area | |
Power L1 | |
Power MT |