Data from D[ennis] Rock Carling, 4-8-0 Tender Locomotives (New York: Drake Publishers, Inc, 1972), pp. 92 and "Asia", Table XV [15], entry 280, pp. 108-109.
Very few 4-8-0s operated in China. In fact, given the comprehensiveness of Carling's survey, it's likely these are the only ones originally built for a Chinese railway.
Limitations imposed by a lightly built railway constrained Hunslet's search for power. The builder apparently decided that upping the boiler pressure considerably would compensate. Since Carling reported that the first six were satisfactory enough to merit buying another four in 1936, they appear to have been right. "An unusual feature," he added," was the fitting of two couplers at different heights."
Note: Superheater area is taken from Carling's table. It seems quite high for the size of the boiler, but Locobase has no other source for that figure.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | unknown |
| Locobase ID | 20927 |
| Railroad | Hangchow-Kiangshan |
| Country | China |
| Whyte | 4-8-0 |
| Number in Class | 10 |
| Road Numbers | |
| Gauge | Std |
| Number Built | 10 |
| Builder | Hunslet Engine Co |
| Year | 1933 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 12.79 / 3.90 |
| Engine Wheelbase (ft / m) | 22.04 / 6.72 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.58 |
| Overall Wheelbase (engine & tender) (ft / m) | 45.27 / 13.80 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 73,248 / 33,225 |
| Engine Weight (lbs / kg) | 100,576 / 45,621 |
| Tender Loaded Weight (lbs / kg) | 70,672 / 32,056 |
| Total Engine and Tender Weight (lbs / kg) | 171,248 / 77,677 |
| Tender Water Capacity (gals / ML) | 3168 / 12 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 4.35 / 4 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 31 / 15.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 44.50 / 1130 |
| Boiler Pressure (psi / kPa) | 200 / 1380 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 16.5" x 21.63" / 419x549 |
| Tractive Effort (lbs / kg) | 22,496 / 10204.03 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.26 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | 102 / 9.48 |
| Grate Area (sq ft / m2) | 19.40 / 1.80 |
| Evaporative Heating Surface (sq ft / m2) | 871 / 80.92 |
| Superheating Surface (sq ft / m2) | 376 / 34.93 |
| Combined Heating Surface (sq ft / m2) | 1247 / 115.85 |
| Evaporative Heating Surface/Cylinder Volume | 162.71 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 3880 |
| Same as above plus superheater percentage | 5044 |
| Same as above but substitute firebox area for grate area | 26,520 |
| Power L1 | 13,204 |
| Power MT | 1589.66 |