Data from the Sofia Locomotive Depot -- [] -- that takes as its mission the preservation of steam locomotive heritage from rust and theft. As with many Continental locomotives, the Anglo-Saxon should add 8-10% to the evaporative heating surface to allow proper comparison of this "fire-side" area with the "water-side" area used in Great Britain, its colonies, and North America.
Principal Dimensions by Steve Llanso of Sweat House Media | |
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Class | 600.76 |
Locobase ID | 10342 |
Railroad | BDZ |
Country | Bulgaria |
Whyte | 2-10-2T |
Number in Class | 15 |
Road Numbers | 601.76 - 615.76 |
Gauge | 76 cm |
Number Built | 15 |
Builder | several |
Year | 1941 |
Valve Gear | Heusinger |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 13.78 / 4.20 |
Engine Wheelbase (ft / m) | 26.25 / 8 |
Ratio of driving wheelbase to overall engine wheelbase | 0.52 |
Overall Wheelbase (engine & tender) (ft / m) | 26.25 / 8 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | 22,046 / 10,000 |
Weight on Drivers (lbs / kg) | 110,231 / 50,000 |
Engine Weight (lbs / kg) | 136,686 / 62,000 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | 136,686 / 62,000 |
Tender Water Capacity (gals / ML) | 1848 / 7 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 4.40 / 4 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 37 / 18.50 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 33.50 / 850 |
Boiler Pressure (psi / kPa) | 227.70 / 15.70 |
High Pressure Cylinders (dia x stroke) (in / mm) | 18.11" x 15.75" / 460x400 |
Tractive Effort (lbs / kg) | 29,844 / 13537.03 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.69 |
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) | 21.52 / 2 |
Evaporative Heating Surface (sq ft / m2) | 943 / 87.60 |
Superheating Surface (sq ft / m2) | 351 / 32.60 |
Combined Heating Surface (sq ft / m2) | 1294 / 120.20 |
Evaporative Heating Surface/Cylinder Volume | 200.83 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 4900 |
Same as above plus superheater percentage | 6223 |
Same as above but substitute firebox area for grate area | |
Power L1 | |
Power MT |