Trinidad Govt Rwy 2-8-2 Locomotives in Trinidad
Class Details by Steve Llanso of Sweat House Media
Class Montgomery (Locobase 968)
Data from 1947 Locomotive Cyclopedia where this engine was described. Works numbers were 69059-69060 in December 1937, 69744 in January 1942.
Heating surface data from Dr. Jonathan Smith's [
] (visited 6 January 2005).
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Montgomery |
| Locobase ID | 968 |
| Railroad | Trinidad Govt Rwy |
| Country | Trinidad |
| Whyte | 2-8-2 |
| Number in Class | 3 |
| Road Numbers | 41-43 |
| Gauge | Std |
| Number Built | 3 |
| Builder | Montreal LW |
| Year | 1937 |
| 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) | |
| Weight on Drivers (lbs / kg) | 97,900 / 44,407 |
| Engine Weight (lbs / kg) | 112,600 / 51,075 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 41 / 20.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 45 / 1143 |
| Boiler Pressure (psi / kPa) | 200 / 1380 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 16" x 24" / 406x610 |
| Tractive Effort (lbs / kg) | 23,211 / 10528.35 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.22 |
| 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) | 25 / 2.32 |
| Evaporative Heating Surface (sq ft / m2) | 851 / 79.06 |
| Superheating Surface (sq ft / m2) | 243 / 22.58 |
| Combined Heating Surface (sq ft / m2) | 1094 / 101.64 |
| Evaporative Heating Surface/Cylinder Volume | 152.37 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 5000 |
| Same as above plus superheater percentage | 6100 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |