Apalachicola Northern 4-4-0 "American" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 100 (Locobase 13559)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 34, p. 176. Works number was 34387 in March 1910.

A Baldwin stock design, this Eight-wheeler was fitted with smaller cylinders than others with the same boiler (for example, the Wichita Falls Route quartet shown in Locobase 13324). It also had a fat, spark-arresting stack. Its career ended prematurely when the 100 was wrecked in 1933.

Specifications by Steve Llanso of Sweat House Media
Class100
Locobase ID13,559
RailroadApalachicola Northern
CountryUSA
Whyte4-4-0
Number in Class1
Road Numbers100
GaugeStd
Number Built1
BuilderBaldwin
Year1910
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 9.08 / 2.77
Engine Wheelbase (ft / m)23.08 / 7.03
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)67,000 / 30,391
Engine Weight (lbs / kg)104,000 / 47,174
Tender Loaded Weight (lbs / kg)80,000 / 36,287
Total Engine and Tender Weight (lbs / kg)184,000 / 83,461
Tender Water Capacity (gals / ML)4000 / 15.15
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)56 / 28
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)62 / 1575
Boiler Pressure (psi / kPa)180 / 11.40
High Pressure Cylinders (dia x stroke) (in / mm)17" x 24" / 432x660
Tractive Effort (lbs / kg)17,116 / 7763.70
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.91
Heating Ability
Firebox Area (sq ft / m2)138 / 12.82
Grate Area (sq ft / m2)18 / 1.67
Evaporative Heating Surface (sq ft / m2)1465 / 136.10
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1465 / 136.10
Evaporative Heating Surface/Cylinder Volume232.36
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation3240
Same as above plus superheater percentage3240
Same as above but substitute firebox area for grate area24,840
Power L16357
Power MT418.35