Hammond & Eastern 2-6-2 "Prairie" Locomotives in the USA


Class Details by Steve Llanso of Sweat House Media

Class 18 (Locobase 13066)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 30, p. 144. Works number was 29668 in December 1906.

This was a 10-mile logging road in Louisiana that operated one of Baldwin's standard logging Prairies.

Principal Dimensions by Steve Llanso of Sweat House Media
Class18
Locobase ID13,066
RailroadHammond & Eastern
CountryUSA
Whyte2-6-2
Number in Class1
Road Numbers18
GaugeStd
Number Built1
BuilderBurnham, Williams & Co
Year1906
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 9.17 / 2.80
Engine Wheelbase (ft / m)23.75 / 7.24
Ratio of driving wheelbase to overall engine wheebase 0.39
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)61,000 / 27,669
Engine Weight (lbs / kg)84,000 / 38,102
Tender Loaded Weight (lbs / kg)60,000 / 27,216
Total Engine and Tender Weight (lbs / kg)144,000 / 65,318
Tender Water Capacity (gals / ML)3000 / 11.36
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)34 / 17
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)46 / 1168
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)15" x 20" / 381x508
Tractive Effort (lbs / kg)14,967 / 6788.93
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.08
Heating Ability
Firebox Area (sq ft / m2)82.20 / 7.64
Grate Area (sq ft / m2)14.13 / 1.31
Evaporative Heating Surface (sq ft / m2)991 / 92.10
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)991 / 92.10
Evaporative Heating Surface/Cylinder Volume242.26
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2543
Same as above plus superheater percentage2543
Same as above but substitute firebox area for grate area14,796
Power L14730
Power MT512.85

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