Halberstadt Blankenburger Eisenbahn 2-6-2 Locomotives in Germany
Class Details by Steve Llanso of Sweat House Media
Class BR 75 67 (Locobase 15325)
Data from Alfred Gieseler's Dampfmaschinen und Lokomotiven at [
], last accessed 26 July 2013.
The HBE's only real strains during World War Two came from meeting the ever-increasing traffic demands--the system suffered only minor damage from Allied action. These two Prairie tanks were delivered during the middle of the war as powerful freight switchers and haulers.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | BR 75 67 |
| Locobase ID | 15325 |
| Railroad | Halberstadt Blankenburger Eisenbahn |
| Country | Germany |
| Whyte | 2-6-2T |
| Number in Class | 2 |
| Road Numbers | 75 6776-75 6777 |
| Gauge | Std |
| Number Built | 2 |
| Builder | Borsig |
| Year | 1943 |
| Valve Gear | Heusinger |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 11.81 / 3.60 |
| Engine Wheelbase (ft / m) | 29.53 / 9 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.40 |
| Overall Wheelbase (engine & tender) (ft / m) | 29.53 / 9 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 37,038 / 16,800 |
| Weight on Drivers (lbs / kg) | 109,349 / 49,600 |
| Engine Weight (lbs / kg) | 162,040 / 73,500 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 1848 / 7 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 2.80 / 3 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 61 / 30.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 49.20 / 1250 |
| Boiler Pressure (psi / kPa) | 232.10 / 1600 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 21.26" x 23.62" / 540x600 |
| Tractive Effort (lbs / kg) | 42,809 / 19417.86 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 2.55 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 136 - 1.772" / 45 |
| Flues (number - dia) (in / mm) | 26 - 5.236" / 133 |
| Flue/Tube length (ft / m) | 12.14 / 3.70 |
| Firebox Area (sq ft / m2) | 90.42 / 8.40 |
| Grate Area (sq ft / m2) | 23.14 / 2.15 |
| Evaporative Heating Surface (sq ft / m2) | 1166 / 108.28 |
| Superheating Surface (sq ft / m2) | 448 / 41.60 |
| Combined Heating Surface (sq ft / m2) | 1614 / 149.88 |
| Evaporative Heating Surface/Cylinder Volume | 120.15 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 5371 |
| Same as above plus superheater percentage | 6875 |
| Same as above but substitute firebox area for grate area | 26,863 |
| Power L1 | 11,081 |
| Power MT | 670.22 |