Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 18, p. 105. Works number was 13060 in November 1892.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Rosa |
| Locobase ID | 12052 |
| Railroad | Central San Francisco |
| Country | Cuba |
| Whyte | 2-6-0 |
| Number in Class | 1 |
| Road Numbers | |
| Gauge | 2'6" |
| Number Built | 1 |
| Builder | Burnham, Williams & Co |
| Year | 1892 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 6.75 / 2.06 |
| Engine Wheelbase (ft / m) | 11.83 / 3.61 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.57 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | |
| Engine Weight (lbs / kg) | |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 670 / 2.54 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 33 / 838 |
| Boiler Pressure (psi / kPa) | 130 / 900 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 9" x 16" / 229x406 |
| Tractive Effort (lbs / kg) | 4340 / 1968.59 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 51 - 1.75" / 44 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 9.75 / 2.97 |
| Firebox Area (sq ft / m2) | 31 / 2.88 |
| Grate Area (sq ft / m2) | 5.30 / 0.49 |
| Evaporative Heating Surface (sq ft / m2) | 257 / 23.88 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 257 / 23.88 |
| Evaporative Heating Surface/Cylinder Volume | 218.15 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 689 |
| Same as above plus superheater percentage | 689 |
| Same as above but substitute firebox area for grate area | 4030 |
| Power L1 | 2500 |
| Power MT | |