Georgia Railroad 4-4-2 "Atlantic" Locomotives in the USA


Class Details by Steve Llanso of Sweat House Media

Class 26/D (Locobase 12159)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 20, p.14. Works number was 14427-14428 in September 1895.

Principal Dimensions by Steve Llanso of Sweat House Media
Class26/D
Locobase ID12,159
RailroadGeorgia Railroad
CountryUSA
Whyte4-4-2
Number in Class2
Road Numbers26, 36/501-502
GaugeStd
Number Built2
BuilderBurnham, Williams & Co
Year1895
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 6.25 / 1.90
Engine Wheelbase (ft / m)23.92 / 7.29
Ratio of driving wheelbase to overall engine wheebase 0.26
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)68,000 / 30,844
Engine Weight (lbs / kg)120,000 / 54,431
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)3500 / 13.26
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)57 / 28.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)70 / 1778
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)18" x 24" / 457x610
Tractive Effort (lbs / kg)16,996 / 7709.27
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.00
Heating Ability
Firebox Area (sq ft / m2)138 / 12.83
Grate Area (sq ft / m2)24.80 / 2.30
Evaporative Heating Surface (sq ft / m2)1720 / 159.85
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1720 / 159.85
Evaporative Heating Surface/Cylinder Volume243.33
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation4464
Same as above plus superheater percentage4464
Same as above but substitute firebox area for grate area24,840
Power L17160
Power MT464.27