Iranian State Railways 2-10-2 Locomotives in Iran
Class Details by Steve Llanso of Sweat House Media
Class 52.1 (Locobase 4352)
Data from [
], an account published in the Vulcan Magazine for Spring 1952. Works numbers were 6006-6045 in 1952 and 6972-6995 in 1954.
Principal Dimensions by Steve Llanso of Sweat House Media | |
|---|---|
| Class | 52.1 |
| Locobase ID | 4352 |
| Railroad | Iranian State Railways |
| Country | Iran |
| Whyte | 2-10-2 |
| Number in Class | 64 |
| Road Numbers | 52.101-52.164 |
| Gauge | Std |
| Number Built | 64 |
| Builder | Vulcan Foundry |
| Year | 1951 |
| Valve Gear | Walschaert |
| 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) | 37,453 / 16,988 |
| Weight on Drivers (lbs / kg) | 182,896 / 82,960 |
| Engine Weight (lbs / kg) | 243,018 / 110,231 |
| Tender Loaded Weight (lbs / kg) | 150,685 / 68,350 |
| Total Engine and Tender Weight (lbs / kg) | 393,703 / 178,581 |
| Tender Water Capacity (gals / ML) | 7920 / 30 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 2375 / 8989.40 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 61 / 30.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 51 / 1295 |
| Boiler Pressure (psi / kPa) | 200 / 13.80 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 23.82" x 26" / 605x660 |
| Tractive Effort (lbs / kg) | 49,174 / 22304.98 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.72 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 181 - 2" / 51 |
| Flues (number - dia) (in / mm) | 36 - 5.5" / 140 |
| Flue/Tube length (ft / m) | 17.12 / 5.22 |
| Firebox Area (sq ft / m2) | 221 / 20.53 |
| Grate Area (sq ft / m2) | 65.70 / 6.10 |
| Evaporative Heating Surface (sq ft / m2) | 2731 / 253.72 |
| Superheating Surface (sq ft / m2) | 869 / 80.73 |
| Combined Heating Surface (sq ft / m2) | 3600 / 334.45 |
| Evaporative Heating Surface/Cylinder Volume | 203.65 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 13,140 |
| Same as above plus superheater percentage | 16,294 |
| Same as above but substitute firebox area for grate area | 54,808 |
| Power L1 | 14,778 |
| Power MT | 890.67 |