Baldwin 2-4-2 "Columbian" Type Locomotives

Class Columbia (Locobase 368)

Built by Baldwin as an experiment. The 2-4-2 or "Columbia" wheel arrangement met with little success in the US because of its tender riding qualities. Most passenger locomotives of the time were 4-6-0s or 4-4-2s.

Specifications
ClassColumbia
Locobase ID368
RailroadBaldwin
Whyte2-4-2
Road Numbers590
GaugeStd
BuilderBurnham, Williams & Co
Year1893
Valve Gear
Locomotive Length and Weight
Driver Wheelbase 7.33'
Engine Wheelbase24.58'
Ratio of driving wheelbase to overall engine wheebase 0.30
Overall Wheelbase (engine & tender)45'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers83100 lbs
Engine Weight126600 lbs
Tender Light Weight
Total Engine and Tender Weight0
Tender Water Capacity3600 gals
Tender Fuel Capacity (oil/coal)
Minimum weight per yard of rail on which locomotive could run69 lb rail
Geometry Relating to Tractive Effort
Driver Diameter84"
Boiler Pressure200 psi
Cylinders (dia x stroke)13" x 26"
Low Pressure Cylinders (dia x stroke)22" x 26"
Tractive Effort13182 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 6.30
Heating Ability
Firebox Area
Grate Area24.80 sq. ft
Evaporative Heating Surface1478
Superheating Surface
Combined Heating Surface1478
Evaporative Heating Surface/Cylinder Volume370.03
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation4960
Same as above plus superheater percentage4960
Same as above but substitute firebox area for grate area0
Power L10
Power MT0

Credits

Introduction and specifications provided by Steve Llanso of Sweat House Media.