Railway & Locomotive Historical Society Bulletin #13 (1927) has report by railroad of this engine's performance.
A 25 March 1837 test had the Stonington pull a 49 car train with a trailing load of 262 tons along the 26 miles between Boston and Lowell.
See also Boston & Lowell's Patrick.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Stonington |
| Locobase ID | 801 |
| Railroad | Stonington |
| Country | USA |
| Whyte | 2-2-0 |
| Number in Class | 1 |
| Road Numbers | |
| Gauge | Std |
| Number Built | 1 |
| Builder | Stonington Railroad |
| Year | 1837 |
| Valve Gear | |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | |
| Engine Wheelbase (ft / m) | |
| Ratio of driving wheelbase to overall engine wheelbase | |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 13,350 / 6055 |
| Engine Weight (lbs / kg) | 20,665 / 9373 |
| Tender Loaded Weight (lbs / kg) | 14,400 |
| Total Engine and Tender Weight (lbs / kg) | 35,065 |
| Tender Water Capacity (gals / ML) | |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 22 / 11 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 54 / 1372 |
| Boiler Pressure (psi / kPa) | 70 / 480 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 12" x 18" / 305x457 |
| Tractive Effort (lbs / kg) | 2856 / 1295.46 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.67 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | |
| Grate Area (sq ft / m2) | |
| Evaporative Heating Surface (sq ft / m2) | |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | |
| Evaporative Heating Surface/Cylinder Volume | |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | |
| Same as above plus superheater percentage | |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |