Data from "James Nasmyth's Centenary," The Locomotive Magazine, Vol XIV (15 December 1908), p. 209-211.
Principal Dimensions by Steve Llanso of Sweat House Media | |
|---|---|
| Class | 16 |
| Locobase ID | 10675 |
| Railroad | Trinidad Government |
| Country | Trinidad |
| Whyte | 4-4-0T |
| Number in Class | |
| Road Numbers | |
| Gauge | Std |
| Number Built | |
| Builder | Nasmyth Wilson |
| Year | 1907 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 6.50 / 1.98 |
| Engine Wheelbase (ft / m) | 18.33 / 5.59 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.35 |
| Overall Wheelbase (engine & tender) (ft / m) | 18.33 / 5.59 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 44,240 / 20,067 |
| Engine Weight (lbs / kg) | 67,256 / 30,507 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 67,256 / 30,507 |
| Tender Water Capacity (gals / ML) | 744 / 2.82 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 0.90 / 1 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 37 / 18.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 51.80 / 1316 |
| Boiler Pressure (psi / kPa) | 140 / 9.70 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 14" x 20" / 356x508 |
| Tractive Effort (lbs / kg) | 9005 / 4084.60 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.91 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 110 - 1.75" / 44 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | 47.50 / 4.41 |
| Grate Area (sq ft / m2) | 9.88 / 0.92 |
| Evaporative Heating Surface (sq ft / m2) | 552 / 51.30 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 552 / 51.30 |
| Evaporative Heating Surface/Cylinder Volume | 154.91 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1383 |
| Same as above plus superheater percentage | 1383 |
| Same as above but substitute firebox area for grate area | 6650 |
| Power L1 | 2678 |
| Power MT | 266.91 |