Missouri & North Arkansas 2-8-0 "Consolidation" Locomotives in the USA


Class Details by Steve Llanso of Sweat House Media

Class 10 (Locobase 11409)

Data from 1903 MO & NA locomotive diagram book supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. See also Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 29, p. 149. See Locobase 6638 for a short history of the road, including a discussion of the 1914 accident that took 43 lives. Works numbers were 31314, 31335-31338 in July 1907.

Principal Dimensions by Steve Llanso of Sweat House Media
Class10
Locobase ID11,409
RailroadMissouri & North Arkansas
CountryUSA
Whyte2-8-0
Number in Class5
Road Numbers10-14
GaugeStd
Number Built5
BuilderBurnham, Williams & Co
Year1907
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)15.33 / 4.67
Engine Wheelbase (ft / m)23.67 / 7.21
Ratio of driving wheelbase to overall engine wheebase 0.65
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)164,000 / 74,389
Engine Weight (lbs / kg)182,000 / 82,554
Tender Loaded Weight (lbs / kg)120,000 / 54,431
Total Engine and Tender Weight (lbs / kg)302,000 / 136,985
Tender Water Capacity (gals / ML)6000 / 22.73
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)14 / 12.70
Minimum weight of rail (calculated) (lb/yd / kg/m)68 / 34
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)56 / 1422
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)22" x 28" / 559x711
Tractive Effort (lbs / kg)37,026 / 16794.73
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.43
Heating Ability
Firebox Area (sq ft / m2)194.90 / 18.11
Grate Area (sq ft / m2)34.90 / 3.24
Evaporative Heating Surface (sq ft / m2)2792 / 259.48
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)2792 / 259.48
Evaporative Heating Surface/Cylinder Volume226.64
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation6282
Same as above plus superheater percentage6282
Same as above but substitute firebox area for grate area35,082
Power L15137
Power MT276.22

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