Cape Girardeau Northern 4-4-0 "American" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 12 (Locobase 13734)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 45, p. 251 . See Locobase 13735 for a history of the CGN and read James Baughn's Pavement Ends installment on "Cape Girardeau's most obscure landmark," SEMissourian, posted 24 March 2010 and retrieved from http://www.semissourian.com/blogs/pavementends/entry/33924/, last accessed 16 January 2012. Works numbers were 41167-41168 in February 1914.

These didn't remain with the CGN for long before going off to the Saint Louis Southwestern and very soon to the San Antonio, Uvalde & Gulf as their 8-9. Eventually, the two were placed in their own class E-63 by the Missouri Pacific and numbered 928-929.

Specifications by Steve Llanso of Sweat House Media
Class12
Locobase ID13,734
RailroadCape Girardeau Northern
CountryUSA
Whyte4-4-0
Number in Class2
Road Numbers12, 14
GaugeStd
Number Built2
BuilderBaldwin
Year1914
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m) 9.08 / 2.77
Engine Wheelbase (ft / m)24.29 / 7.40
Ratio of driving wheelbase to overall engine wheebase 0.37
Overall Wheelbase (engine & tender) (ft / m)47.67 / 14.53
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)68,000 / 30,844
Engine Weight (lbs / kg)112,000 / 50,802
Tender Loaded Weight (lbs / kg)88,000 / 39,916
Total Engine and Tender Weight (lbs / kg)200,000 / 90,718
Tender Water Capacity (gals / ML)4000 / 15.15
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)8 / 7.30
Minimum weight of rail (calculated) (lb/yd / kg/m)57 / 28.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)62 / 1575
Boiler Pressure (psi / kPa)160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)18" x 24" / 457x610
Tractive Effort (lbs / kg)17,057 / 7736.93
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.99
Heating Ability
Firebox Area (sq ft / m2)127 / 11.80
Grate Area (sq ft / m2)18.10 / 1.68
Evaporative Heating Surface (sq ft / m2)1662 / 154.40
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1662 / 154.40
Evaporative Heating Surface/Cylinder Volume235.12
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2896
Same as above plus superheater percentage2896
Same as above but substitute firebox area for grate area20,320
Power L15373
Power MT348.39