450x480 rack Data from [] . See Indra Krishnamurti at [] for building dates and numbers both of predecessor railways and the Indonesian State Railways. Two came from Esslingen, one from SLM.
Principal Dimensions by Steve Llanso of Middle Run Media | |
---|---|
Class | D18 |
Locobase ID | 4754 |
Railroad | Staatsspoorweg ter Sumatra's Westkust |
Country | Indonesia |
Whyte | 0-8-2RT |
Number in Class | 3 |
Road Numbers | 101-103/D1801-1803 |
Gauge | 3'6" |
Number Built | 3 |
Builder | several |
Year | 1913 |
Valve Gear | |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | |
Engine Wheelbase (ft / m) | |
Ratio of driving wheelbase to overall engine wheelbase | |
Overall Wheelbase (engine & tender) (ft / m) | |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 88,184 / 40,000 |
Engine Weight (lbs / kg) | 110,230 / 50,000 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | 110,230 / 50,000 |
Tender Water Capacity (gals / ML) | |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
Minimum weight of rail (calculated) (lb/yd / kg/m) | |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 39.40 / 1000 |
Boiler Pressure (psi / kPa) | 203 / 1400 |
High Pressure Cylinders (dia x stroke) (in / mm) | 17.72" x 18.9" / 450x480 |
Tractive Effort (lbs / kg) | 25,990 / 11788.88 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.39 |
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) | 19.91 / 1.85 |
Evaporative Heating Surface (sq ft / m2) | 1112 / 103.35 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 1112 / 103.35 |
Evaporative Heating Surface/Cylinder Volume | 206.13 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 4042 |
Same as above plus superheater percentage | 4042 |
Same as above but substitute firebox area for grate area | |
Power L1 | |
Power MT |