Tallulah Falls 2-8-0 "Consolidation" Locomotives in the USA


Class Details by Steve Llanso of Sweat House Media

Class 75 (Locobase 15118)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Vol 43, pp. 156+. Works number was 39188 in January 1913.

This small Consolidation had its tender lettered "Rabun Gap Route", connoting the rugged countryside in Georgia's most northeasterly county.

Principal Dimensions by Steve Llanso of Sweat House Media
Class75
Locobase ID15,118
RailroadTallulah Falls
CountryUSA
Whyte2-8-0
Number in Class1
Road Numbers75
GaugeStd
Number Built1
BuilderBaldwin
Year1913
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)14.50 / 4.42
Engine Wheelbase (ft / m)28.33 / 8.63
Ratio of driving wheelbase to overall engine wheebase 0.51
Overall Wheelbase (engine & tender) (ft / m)51.42 / 15.67
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)115,250 / 52,277
Engine Weight (lbs / kg)130,850 / 59,353
Tender Loaded Weight (lbs / kg)90,000 / 40,823
Total Engine and Tender Weight (lbs / kg)220,850 / 100,176
Tender Water Capacity (gals / ML)4500 / 17.05
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)8 / 7.30
Minimum weight of rail (calculated) (lb/yd / kg/m)48 / 24
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)50 / 1270
Boiler Pressure (psi / kPa)160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)20" x 24" / 508x610
Tractive Effort (lbs / kg)26,112 / 11844.22
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.41
Heating Ability
Firebox Area (sq ft / m2)142 / 13.19
Grate Area (sq ft / m2)30.20 / 2.81
Evaporative Heating Surface (sq ft / m2)1772 / 164.62
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1772 / 164.62
Evaporative Heating Surface/Cylinder Volume203.06
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation4832
Same as above plus superheater percentage4832
Same as above but substitute firebox area for grate area22,720
Power L13792
Power MT290.15

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