Louisiana & Arkansas 2-6-0 "Mogul" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 103 (Locobase 12293)

Data from DeGolyer, Volume 21, p. 238. Works number was 16110 in August 1898.

A small Eight-wheeler, 103 only operated on the L & A for a few years before being sold in 1903 to the Louisiana & Texas and taking new road number 6. The L & T operated the 6 for seven years, then sold it to its most likely owner, given its light-footedness and paid-for status, the Lufkin Land & Lumber Company.

Specifications by Steve Llanso of Sweat House Media
Class103
Locobase ID12,293
RailroadLouisiana & Arkansas
CountryUSA
Whyte2-6-0
Number in Class1
Road Numbers103
GaugeStd
Number Built1
BuilderBurnham, Williams & Co
Year1898
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)11 / 3.35
Engine Wheelbase (ft / m)17.67 / 5.39
Ratio of driving wheelbase to overall engine wheebase 0.62
Overall Wheelbase (engine & tender) (ft / m)41 / 12.50
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)61,000 / 27,669
Engine Weight (lbs / kg)72,000 / 32,659
Tender Loaded Weight (lbs / kg)50,000 / 22,680
Total Engine and Tender Weight (lbs / kg)122,000 / 55,339
Tender Water Capacity (gals / ML)2500 / 9.47
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)44 / 1118
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)14" x 22" / 356x559
Tractive Effort (lbs / kg)14,994 / 6801.17
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.07
Heating Ability
Firebox Area (sq ft / m2)76.25 / 7.09
Grate Area (sq ft / m2)14.40 / 1.34
Evaporative Heating Surface (sq ft / m2)777 / 72.21
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)777 / 72.21
Evaporative Heating Surface/Cylinder Volume198.23
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2592
Same as above plus superheater percentage2592
Same as above but substitute firebox area for grate area13,725
Power L13901
Power MT422.96