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 [], 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.
Principal Dimensions by Steve Llanso of Middle Run Media | |
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Class | 12 |
Locobase ID | 13734 |
Railroad | Cape Girardeau Northern |
Country | USA |
Whyte | 4-4-0 |
Number in Class | 2 |
Road Numbers | 12, 14 |
Gauge | Std |
Number Built | 2 |
Builder | Baldwin |
Year | 1914 |
Valve Gear | Walschaert |
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 wheelbase | 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 / Liters/MT) | 8 / 7 |
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 / 1100 |
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 | |
Tubes (number - dia) (in / mm) | 246 - 2" / 51 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 12 / 3.66 |
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 Volume | 235.08 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 2896 |
Same as above plus superheater percentage | 2896 |
Same as above but substitute firebox area for grate area | 20,320 |
Power L1 | 5372 |
Power MT | 348.33 |