| Specifications | ||
|---|---|---|
| Class | P-2 | P-3 |
| Locobase ID | 6644 | 6643 |
| Railroad | Central New England Railway | Central New England Railway |
| Whyte | 4-4-0 | 4-4-0 |
| Road Numbers | 35-37 | 31-33 |
| Gauge | Std | Std |
| Builder | Burnham, Williams & Co | Burnham, Williams & Co |
| Year | 1882 | 1889 |
| Valve Gear | Stephenson | Stephenson |
| Locomotive Length and Weight | ||
| Driver Wheelbase | 8.75' | 8.58' |
| Engine Wheelbase | 23.29' | 23.21' |
| Ratio of driving wheelbase to overall engine wheebase | 0.38 | 0.37 |
| Overall Wheelbase (engine & tender) | 44.54' | 44.54' |
| Axle Loading (Maximum Weight per Axle) | ||
| Weight on Drivers | 61550 lbs | 60500 lbs |
| Engine Weight | 99200 lbs | 96300 lbs |
| Tender Light Weight | 103000 lbs | 77300 lbs |
| Total Engine and Tender Weight | 202200 lbs | 173600 lbs |
| Tender Water Capacity | 8000 gals | 4000 gals |
| Tender Fuel Capacity (oil/coal) | 9 tons | 8 tons |
| Minimum weight per yard of rail on which locomotive could run | 51 lb rail | 50 lb rail |
| Geometry Relating to Tractive Effort | ||
| Driver Diameter | 63" | 64" |
| Boiler Pressure | 165 psi | 140 psi |
| Cylinders (dia x stroke) | 18" x 24" | 18" x 24" |
| Tractive Effort | 17311 lbs | 14459 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.56 | 4.18 |
| Heating Ability | ||
| Firebox Area | 134.60 sq. ft | 134.50 sq. ft |
| Grate Area | 17 sq. ft | 17 sq. ft |
| Evaporative Heating Surface | 1369 | 1457 |
| Superheating Surface | ||
| Combined Heating Surface | 1369 | 1457 |
| Evaporative Heating Surface/Cylinder Volume | 193.67 | 206.12 |
| Computations Relating to Power Output (More Information) | ||
| Robert LeMassena's Power Computation | 2805 | 2380 |
| Same as above plus superheater percentage | 2805 | 2380 |
| Same as above but substitute firebox area for grate area | 22209 | 18830 |
| Power L1 | 5005 | 4499 |
| Power MT | 358.54 | 327.89 |
| This page last modified: . | [Contact] | All material © 1999-2008 SteamLocomotive.com |