Tom Farin's http://www.ironhorse129.com/Prototype/Mallet/Baldwin65/PuertoRico_Mallett.jpg has the builder's card for this class and all the data comes from that source. He says three were delivered. The photograph shows a cabbage-stacker.
| Specifications | |
|---|---|
| Class | 35 |
| Locobase ID | 4761 |
| Railroad | American (Puerto Rico) |
| Whyte | 0-6-6-0 |
| Road Numbers | 35-38 |
| Gauge | metre |
| Builder | Burnham, Williams & Co |
| Year | 1904 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase | 6.83' |
| Engine Wheelbase | 20.33' |
| Ratio of driving wheelbase to overall engine wheebase | 0.34 |
| Overall Wheelbase (engine & tender) | 42.67' |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 106650 lbs |
| Engine Weight | 106650 lbs |
| Tender Light Weight | 49350 lbs |
| Total Engine and Tender Weight | 156000 lbs |
| Tender Water Capacity | 2200 gals |
| Tender Fuel Capacity (oil/coal) | 4.5 tons |
| Minimum weight per yard of rail on which locomotive could run | 30 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 37" |
| Boiler Pressure | 200 psi |
| Cylinders (dia x stroke) | 12.5" x 20" |
| Low Pressure Cylinders (dia x stroke) | 19" x 20" |
| Tractive Effort | 20042 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.32 |
| Heating Ability | |
| Firebox Area | 106 sq. ft |
| Grate Area | 18 sq. ft |
| Evaporative Heating Surface | 1357 |
| Superheating Surface | |
| Combined Heating Surface | 1357 |
| Evaporative Heating Surface/Cylinder Volume | 477.70 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 3600 |
| Same as above plus superheater percentage | 3600 |
| Same as above but substitute firebox area for grate area | 21200 |
| Power L1 | 3546 |
| Power MT | 439.81 |
| This page last modified: . | [Contact] | All material © 1999-2010 SteamLocomotive.com |
