Data from Wikipedia ([], last accessed 28 September 2008), supplemented by Albert Gieseler at [
], last accessed 9 May 2011.
Data from Christian Lindecke's website [] (visited 28 Nov 2003) (translated by Google), supplemented by Albert Gieseler at [
], last accessed 9 May 2011.
Principal Dimensions by Steve Llanso of Sweat House Media | ||
---|---|---|
Class | BR 98.71 | Ptl 3/3 // BR 98.76 |
Locobase ID | 9576 | 5947 |
Railroad | Lokalbahn AG Munchen | Lokalbahn AG Munchen |
Country | Germany | Germany |
Whyte | 0-6-0T | 0-6-0T |
Number in Class | 2 | 2 |
Road Numbers | 98 7101-7802 / 42-43 | 9-10 / 1875-1876 /98 7691 |
Gauge | Std | Std |
Number Built | 2 | 2 |
Builder | Krauss | Krauss |
Year | 1895 | 1889 |
Valve Gear | Heusinger | Heusinger |
Locomotive Length and Weight | ||
Driver Wheelbase (ft / m) | 8.86 / 2.70 | 9.51 / 2.90 |
Engine Wheelbase (ft / m) | 8.86 / 2.70 | 9.51 / 2.90 |
Ratio of driving wheelbase to overall engine wheelbase | 1 | 1 |
Overall Wheelbase (engine & tender) (ft / m) | 8.86 / 2.70 | 9.51 / 2.90 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | 21,826 / 9900 | 20,944 / 9500 |
Weight on Drivers (lbs / kg) | 64,154 / 29,100 | 60,186 / 27,300 |
Engine Weight (lbs / kg) | 64,154 / 29,100 | 60,186 / 27,300 |
Tender Loaded Weight (lbs / kg) | ||
Total Engine and Tender Weight (lbs / kg) | 64,154 / 29,100 | 60,186 / 27,300 |
Tender Water Capacity (gals / ML) | 924 / 3.50 | 317 / 1.20 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.30 / 1 | |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 36 / 18 | 33 / 16.50 |
Geometry Relating to Tractive Effort | ||
Driver Diameter (in / mm) | 36.20 / 920 | 36.20 / 920 |
Boiler Pressure (psi / kPa) | 179.80 / 12.40 | 174 / 12 |
High Pressure Cylinders (dia x stroke) (in / mm) | 14.17" x 19.69" / 360x500 (1) | 13.78" x 19.69" / 350x500 |
Low Pressure Cylinders (dia x stroke) (in / mm) | 21.65" x 19.69" / 550x500 (1) | |
Tractive Effort (lbs / kg) | 11,685 / 5300.23 | 15,276 / 6929.09 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.49 | 3.94 |
Heating Ability | ||
Tubes (number - dia) (in / mm) | 144 - 1.772" / 45 | |
Flues (number - dia) (in / mm) | ||
Flue/Tube length (ft / m) | 9.19 / 2.80 | 9.19 / 2.80 |
Firebox Area (sq ft / m2) | 43.04 / 4 | 43.04 / 4 |
Grate Area (sq ft / m2) | 10.76 / 1 | 10.76 / 1 |
Evaporative Heating Surface (sq ft / m2) | 582 / 54.06 | 587 / 54.60 |
Superheating Surface (sq ft / m2) | ||
Combined Heating Surface (sq ft / m2) | 582 / 54.06 | 587 / 54.60 |
Evaporative Heating Surface/Cylinder Volume | 323.89 | 172.71 |
Computations Relating to Power Output (More Information) | ||
Robert LeMassena's Power Computation | 1935 | 1872 |
Same as above plus superheater percentage | 1935 | 1872 |
Same as above but substitute firebox area for grate area | 7739 | 7489 |
Power L1 | 2062 | 2478 |
Power MT | 212.58 | 272.31 |