Firebox had 3 syphons equalling 86 sq ft of heating surface. One of the smallest "Berks" built but still larger than most 2-8-2s. At the time these Berkshires were ordered, NS was in receivership after having built a network of railroads in Virginia and North Carolina.
| Specifications | |
|---|---|
| Class | F |
| Locobase ID | 53 |
| Railroad | Norfolk & Southern |
| Whyte | 2-8-4 |
| Road Numbers | 600-604 |
| Gauge | Std |
| Builder | Baldwin |
| Year | 1940 |
| Valve Gear | |
| Locomotive Length and Weight | |
| Driver Wheelbase | 16.50' |
| Engine Wheelbase | 39' |
| Ratio of driving wheelbase to overall engine wheebase | 0.42 |
| Overall Wheelbase (engine & tender) | 80.60' |
| Axle Loading (Maximum Weight per Axle) | |
| Weight on Drivers | 202900 lbs |
| Engine Weight | 335400 lbs |
| Tender Light Weight | 200000 lbs |
| Total Engine and Tender Weight | 535400 lbs |
| Tender Water Capacity | 14000 gals |
| Tender Fuel Capacity (oil/coal) | 16 tons |
| Minimum weight per yard of rail on which locomotive could run | 84.54 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 63" |
| Boiler Pressure | 250 psi |
| Cylinders (dia x stroke) | 23.5" x 30" |
| Tractive Effort | 55882 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.63 |
| Heating Ability | |
| Firebox Area | 382 sq. ft |
| Grate Area | 80.30 sq. ft |
| Evaporative Heating Surface | 3418 |
| Superheating Surface | 1350 |
| Combined Heating Surface | 4768 |
| Evaporative Heating Surface/Cylinder Volume | 226.95 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 20075 |
| Same as above plus superheater percentage | 25758.99 |
| Same as above but substitute firebox area for grate area | 122539.64 |
| Power L1 | 30464.07 |
| Power MT | 1324.04 |
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