Stearns Salt & Lumber Company 2-6-2 "Prairie" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 1 (Locobase 13607)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 34, p. 289. Works number was 34343 in February 1910.

This Ludington, Michigan extractive-industries company hedged its bets in exploiting both timber and salt deposits. Justin Stearns was convicted of receiving illegal refunds from the Pere Marquette at the turn into the 20th Century. This setback led him to diversify holdings further and led him to buy timberlands in the South, particularly in Tennessee and Kentucky. It was on one of the roads that hauled out the timbers that this logging Prairie went to work. It would later serve the Bagdad Land and Lumber Company and the Weir Long-Leaf Lumber Ccmpany.

Specifications by Steve Llanso of Sweat House Media
Locobase ID13,607
RailroadStearns Salt & Lumber Company
Number in Class1
Road Numbers1
Number Built1
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft) 8.33
Engine Wheelbase (ft)23.83
Ratio of driving wheelbase to overall engine wheebase 0.35
Overall Wheelbase (engine & tender) (ft)45.62
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)88,000
Engine Weight (lbs)119,000
Tender Loaded Weight (lbs)70,000
Total Engine and Tender Weight (lbs)189,000
Tender Water Capacity (gals)3500
Tender Fuel Capacity (oil/coal) (gals/tons)
Minimum weight of rail (calculated) (lb/yd)49
Geometry Relating to Tractive Effort
Driver Diameter (in)44
Boiler Pressure (psi)170
High Pressure Cylinders (dia x stroke) (in)17" x 24"
Tractive Effort (lbs)22,778
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.86
Heating Ability
Firebox Area (sq ft)116.50
Grate Area (sq ft)16
Evaporative Heating Surface (sq ft)1557
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)1557
Evaporative Heating Surface/Cylinder Volume246.95
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2720
Same as above plus superheater percentage2720
Same as above but substitute firebox area for grate area19,805
Power L14230
Power MT317.92

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