Stonington 2-2-0 "Planet" Locomotives in the USA


Class Details by Steve Llanso of Sweat House Media

Class Stonington (Locobase 801)

Railway & Locomotive Historical Society Bulletin #13 (1927) has report by railroad of this engine's performance. See also Boston & Lowell's Patrick.

Specifications by Steve Llanso of Sweat House Media
ClassStonington
Locobase ID801
RailroadStonington
CountryUSA
Whyte2-2-0
Number in Class1
Road Numbers
GaugeStd
Number Built1
BuilderStonington Railroad
Year1837
Valve Gear
Locomotive Length and Weight
Driver Wheelbase (ft / m)
Engine Wheelbase (ft / m)
Ratio of driving wheelbase to overall engine wheebase
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)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)
Tender Fuel Capacity (oil/coal) (gals/tons / ML/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 / 4.80
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
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