Data from Christian Lindecke's website [] (visited 28 Nov 2003) (translated by Google); additional data from US Military Railway Service Equipment Data Book -- German Locomotives supplied by Allen Stanley from his extensive Rail Data Exchange in March 2004 and from "New Locomotives for the Bavarian State Railways", Locomotive Magazine, Vol V (March 1900), pp. 37-38.
Data from Christian Lindecke's website [] (visited 28 Nov 2003) (translated by Google), supplemented by [
], last accessed 14 may 2011.
Principal Dimensions by Steve Llanso of Sweat House Media | ||
---|---|---|
Class | D XII / BR 73.0 | Pt 2/5 H // BR 73.2 |
Locobase ID | 5931 | 5932 |
Railroad | Bavarian State | Bavarian State |
Country | Germany | Germany |
Whyte | 2-4-4T | 2-4-4T |
Number in Class | 137 | 1 |
Road Numbers | 2201-2237 / 73 031-125 | DRG 73 201 |
Gauge | Std | Std |
Number Built | 137 | 1 |
Builder | Krauss | Krauss |
Year | 1897 | 1906 |
Valve Gear | Stephenson | Stephenson |
Locomotive Length and Weight | ||
Driver Wheelbase (ft / m) | ||
Engine Wheelbase (ft / m) | 28.87 / 8.80 | 28.87 / 8.80 |
Ratio of driving wheelbase to overall engine wheelbase | ||
Overall Wheelbase (engine & tender) (ft / m) | 28.87 / 8.80 | 28.87 / 8.80 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | 32,187 / 14,600 | 35,274 / 16,000 |
Weight on Drivers (lbs / kg) | 65,257 / 29,600 | 70,548 / 32,000 |
Engine Weight (lbs / kg) | 149,473 / 67,800 | 155,867 / 70,700 |
Tender Loaded Weight (lbs / kg) | ||
Total Engine and Tender Weight (lbs / kg) | 149,473 / 67,800 | 155,867 / 70,700 |
Tender Water Capacity (gals / ML) | 2402 / 9.10 | 2402 / 9.10 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 3.30 / 3 | |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 54 / 27 | 59 / 29.50 |
Geometry Relating to Tractive Effort | ||
Driver Diameter (in / mm) | 64.60 / 1640 | 64.60 / 1640 |
Boiler Pressure (psi / kPa) | 174 / 12 | 174 / 12 |
High Pressure Cylinders (dia x stroke) (in / mm) | 17.72" x 22.05" / 450x560 | 19.69" x 22.05" / 500x560 |
Tractive Effort (lbs / kg) | 15,852 / 7190.35 | 19,572 / 8877.72 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.12 | 3.60 |
Heating Ability | ||
Tubes (number - dia) (in / mm) | 200 - 1.772" / 45 | 125 - 1.772" / 45 |
Flues (number - dia) (in / mm) | 14 - 5" / 127 | |
Flue/Tube length (ft / m) | 12.57 / 3.83 | 12.57 / 3.83 |
Firebox Area (sq ft / m2) | 92.86 / 8.63 | 96.95 / 9.01 |
Grate Area (sq ft / m2) | 21.09 / 1.96 | 21.09 / 1.96 |
Evaporative Heating Surface (sq ft / m2) | 1271 / 118.12 | 958 / 89.07 |
Superheating Surface (sq ft / m2) | 217 / 20.19 | |
Combined Heating Surface (sq ft / m2) | 1271 / 118.12 | 1175 / 109.26 |
Evaporative Heating Surface/Cylinder Volume | 201.95 | 123.28 |
Computations Relating to Power Output (More Information) | ||
Robert LeMassena's Power Computation | 3670 | 3670 |
Same as above plus superheater percentage | 3670 | 4330 |
Same as above but substitute firebox area for grate area | 16,158 | 19,906 |
Power L1 | 5165 | 8186 |
Power MT | 348.99 | 511.62 |