Secundairbahnen Hermann Bachstein Articulated Locomotives in Germany
Class Details by Steve Llanso of Sweat House Media
Class 81/BR 98.60 (Locobase 20983)
Data from "Jung Typ Bachstein" in Wikipedia at [
], last accessed 12 February 2022. Information about original railways, successors, and DRG BR 98 from Dietmar Stressow und Jens Merte, "Jung & Staimer oHG"liferliste dated 1 January 2008 supplied in Jue 2021 by Allen Stanley from his extensive Rail Data Exchange collection. Works numbers were 472-474 in1901; 755, 764-765 in 1904; 1123 in 1907; 1239 in 1909; and 1791 in 1912.
Works Road number Railway
472 82 Greussen-Ebelebener
473 81 Weimar-Berka-Blankenhainer
474 83 Hohenbra-Ebelebener
755 Neubrandenburg-Friedlander
764 84 Weimar-Berka-Blankenhainer
765 85 Weimar-Berka-Blankenhainer
1123 Suddeutsche Eisenbahngesellschaft (SEG)
1239 Suddeutsche Eisenbahngesellschaft (SEG)
1791 Suddeutsche Eisenbahngesellschaft (SEG)
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 81/BR 98.60 |
| Locobase ID | 20983 |
| Railroad | Secundairbahnen Hermann Bachstein |
| Country | Germany |
| Whyte | 0-4-4-0T |
| Number in Class | 9 |
| Road Numbers | 81-89/BR |
| Gauge | Std |
| Number Built | 9 |
| Builder | Jung |
| Year | 1901 |
| Valve Gear | Heusinger |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 5.58 / 1.70 |
| Engine Wheelbase (ft / m) | 17.72 / 5.40 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.31 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 19,842 / 9000 |
| Weight on Drivers (lbs / kg) | 94,799 / 43,000 |
| Engine Weight (lbs / kg) | 94,799 / 43,000 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 1320 / 5 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.10 / 1 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 39 / 19.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 42.50 / 1080 |
| Boiler Pressure (psi / kPa) | 174 / 1200 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 11.81" x 21.65" / 300x550 |
| Low Pressure Cylinders (dia x stroke) (in / mm) | 18.11" x 21.65" / 460x550 |
| Tractive Effort (lbs / kg) | 14,746 / 6688.68 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 6.43 |
| 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) | 16.25 / 1.51 |
| Evaporative Heating Surface (sq ft / m2) | 771 / 71.64 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 771 / 71.64 |
| Evaporative Heating Surface/Cylinder Volume | 280.88 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2828 |
| Same as above plus superheater percentage | 2828 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |