Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 32, p 91 and Vol 54, p. 274. See also Marie Cruz Soto, PhD "Inhabiting Isla Nena, 1514--2003: Island narrations, imperial dramas and Vieques, Puerto Rico (University of Michigan dissertation, 2008), esp pp. 171 et seq. Works numbers were 32931-32932 in August 1908, 33271 in March 1909, and 44272 in October 1916.
In addition to the Playa Grande, the Resolucion, Punta Arenas, and Pepin served the sugar plantation railways of Jose Benitez Guzman in Puerto Rico. Benitez Guzman had assembled a large sugar holding on Vieques, a small island to Puerto Rico's southeast. His heirs continued the expansion in the 20th century and eventually came to own 44% of the land on Vieques.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Playa Grande |
| Locobase ID | 13441 |
| Railroad | Central Playa Grande |
| Country | USA-Puerto Rico |
| Whyte | 2-4-0 |
| Number in Class | 3 |
| Road Numbers | 1-2, 6 |
| Gauge | 2'6" |
| Number Built | 3 |
| Builder | Burnham, Williams & Co |
| Year | 1908 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 3.75 / 1.14 |
| Engine Wheelbase (ft / m) | 9.75 / 2.97 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.38 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 22,000 / 9979 |
| Engine Weight (lbs / kg) | 26,000 / 11,793 |
| Tender Loaded Weight (lbs / kg) | 10,000 / 4536 |
| Total Engine and Tender Weight (lbs / kg) | 36,000 / 16,329 |
| Tender Water Capacity (gals / ML) | 500 / 1.89 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 18 / 9 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 30 / 762 |
| Boiler Pressure (psi / kPa) | 150 / 1030 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 9" x 14" / 229x356 |
| Tractive Effort (lbs / kg) | 4820 / 2186.32 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.56 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 70 - 1.5" / 38 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 8.08 / 2.46 |
| Firebox Area (sq ft / m2) | 29 / 2.70 |
| Grate Area (sq ft / m2) | 6.70 / 0.62 |
| Evaporative Heating Surface (sq ft / m2) | 252 / 23.42 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 252 / 23.42 |
| Evaporative Heating Surface/Cylinder Volume | 244.66 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1005 |
| Same as above plus superheater percentage | 1005 |
| Same as above but substitute firebox area for grate area | 4350 |
| Power L1 | 2891 |
| Power MT | 579.41 |