Curiously, the diagram notes the type of superheater and the number of flues, but not the area. Locobase estimates the area as 660 sq ft based on other superheater installations on similar locomotives.
| Specifications | |
|---|---|
| Class | F |
| Locobase ID | 6615 |
| Railroad | Bangor & Aroostook |
| Whyte | 4-6-2 |
| Road Numbers | 250-254 |
| Gauge | Std |
| Builder | Alco-Schenectady |
| Year | 1927 |
| Valve Gear | Baker |
| Locomotive Length and Weight | |
| Driver Wheelbase | 12' |
| Engine Wheelbase | 21.75' |
| Ratio of driving wheelbase to overall engine wheebase | 0.55 |
| Overall Wheelbase (engine & tender) | 69.62' |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 141000 lbs |
| Engine Weight | 237000 lbs |
| Tender Light Weight | 161000 lbs |
| Total Engine and Tender Weight | 398000 lbs |
| Tender Water Capacity | 8500 gals |
| Tender Fuel Capacity (oil/coal) | 12 tons |
| Minimum weight per yard of rail on which locomotive could run | 78.33 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 69" |
| Boiler Pressure | 210 psi |
| Cylinders (dia x stroke) | 21" x 28" |
| Tractive Effort | 31944 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.41 |
| Heating Ability | |
| Firebox Area | 230 sq. ft |
| Grate Area | 52 sq. ft |
| Evaporative Heating Surface | 2671 |
| Superheating Surface | 660 |
| Combined Heating Surface | 3331 |
| Evaporative Heating Surface/Cylinder Volume | 237.96 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 10920 |
| Same as above plus superheater percentage | 13083.67 |
| Same as above but substitute firebox area for grate area | 57870.10 |
| Power L1 | 21000.94 |
| Power MT | 985.09 |
| This page last modified: . | [Contact] | All material © 1999-2008 SteamLocomotive.com |