W R Grace 0-4-0 "Switcher" Locomotives in the USA


Class Details by Steve Llanso of Sweat House Media

Class 1 (Locobase 14998)

Data from Roy V Wright (Ed.) 1922 Locomotive Cyclopedia of American Practice, Sixth Edition (New York: Simmons-Boardman Publishing Company, 1922), p. 1025.

Specifications by Steve Llanso of Sweat House Media
Class1
Locobase ID14,998
RailroadW R Grace
CountryUSA
Whyte0-4-0ST
Number in Class1
Road Numbers1
GaugeStd
Number Built1
BuilderPorter
Year
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)5 / 1.52
Engine Wheelbase (ft / m)5 / 1.52
Ratio of driving wheelbase to overall engine wheebase1
Overall Wheelbase (engine & tender) (ft / m)5 / 1.52
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)39,000 / 17,690
Engine Weight (lbs / kg)39,000 / 17,690
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)39,000
Tender Water Capacity (gals / ML)
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd)33
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)30 / 762
Boiler Pressure (psi / kPa)170 / 11.70
High Pressure Cylinders (dia x stroke) (in / mm)10" x 16" / 254x406
Tractive Effort (lbs / kg)7707 / 3495.84
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.06
Heating Ability
Firebox Area (sq ft / m2)39 / 3.62
Grate Area (sq ft / m2) 8.10 / 0.75
Evaporative Heating Surface (sq ft / m2)399 / 37.07
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)399 / 37.07
Evaporative Heating Surface/Cylinder Volume274.33
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1377
Same as above plus superheater percentage1377
Same as above but substitute firebox area for grate area6630
Power L13471
Power MT392.42