Sangu / JNR 2-6-2 Locomotives in Japan
Class Details by Steve Llanso of Sweat House Media
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Principal Dimensions by Steve Llanso of Sweat House Media | |
|---|---|
| Class | 9-10/3050 |
| Locobase ID | 10945 |
| Railroad | Sangu / JNR |
| Country | Japan |
| Whyte | 2-6-2T |
| Number in Class | 2 |
| Road Numbers | 3050-3051 |
| Gauge | 3'6" |
| Number Built | 2 |
| Builder | Burnham, Williams & Co |
| Year | 1907 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 11 / 3.35 |
| Engine Wheelbase (ft / m) | 24.50 / 7.47 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.45 |
| Overall Wheelbase (engine & tender) (ft / m) | 24.50 / 7.47 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 29,277 / 13,280 |
| Weight on Drivers (lbs / kg) | 79,675 / 36,140 |
| Engine Weight (lbs / kg) | 112,524 / 51,040 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 112,524 / 51,040 |
| Tender Water Capacity (gals / ML) | 2040 / 7.73 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 44 / 22 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 48 / 1219 |
| Boiler Pressure (psi / kPa) | 160 / 11 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 16" x 24" / 406x610 |
| Tractive Effort (lbs / kg) | 17,408 / 7896.15 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.58 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 190 - 1.75" / 44 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 10.45 / 3.19 |
| Firebox Area (sq ft / m2) | 93 / 8.64 |
| Grate Area (sq ft / m2) | 14.50 / 1.35 |
| Evaporative Heating Surface (sq ft / m2) | 990 / 91.97 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 990 / 91.97 |
| Evaporative Heating Surface/Cylinder Volume | 177.26 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2320 |
| Same as above plus superheater percentage | 2320 |
| Same as above but substitute firebox area for grate area | 14,880 |
| Power L1 | 3335 |
| Power MT | 276.84 |