Cincinnati, Georgetown & Portsmouth 2-6-0 "Mogul" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 10 (Locobase 12716)

Data from DeGolyer, Volume 27, p. 123 and Volume 30, p. 243. Works numbers were 24739 in September 1904 and 31175 in June 1907.

The narrow-gauge CG & P had long since abandoned its plans to build a line upriver to Portsmouth by the time it bought this pair of Moguls. Along the way, the earlier manifestation of this line had built a tall (110 feet) and long (1,410 feet) trestle across a ravine to reach Georgetown.

By 1904, however, a later board of directors had teamed up with the Tennis Railway Company to electrify the line and convert it to standard gauge. So passenger travel used electric interurban motors and freight used both electric and steam motive power. It eventually reached Russellville and threw off several branch lines as well to accumulate a total line mileage of 42 miles.

In 1925, after the entire line was electrified, the 12 moved on to the Evansville Suburban & Newburgh Railway as their #6. 10 was purchased by locomotive rebuilder/reseller Birmingham Rail & Locomotive in 1917. BR & L sold it to Ball & Peters as #697 and B & P sold it to the ES & N. After another tour through BR & L, the engine up with Horse Shoe Lumber Company of River Falls, Ala..

Specifications by Steve Llanso of Sweat House Media
Class10
Locobase ID12,716
RailroadCincinnati, Georgetown & Portsmouth
CountryUSA
Whyte2-6-0
Number in Class2
Road Numbers10, 12
GaugeStd
Number Built2
BuilderBurnham, Williams & Co
Year1904
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)12 / 3.66
Engine Wheelbase (ft / m)19.83 / 6.04
Ratio of driving wheelbase to overall engine wheebase 0.61
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)86,000 / 39,009
Engine Weight (lbs / kg)100,000 / 45,359
Tender Loaded Weight (lbs / kg)80,000 / 36,287
Total Engine and Tender Weight (lbs / kg)180,000 / 81,646
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)48 / 24
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)48 / 1219
Boiler Pressure (psi / kPa)170 / 11.70
High Pressure Cylinders (dia x stroke) (in / mm)17" x 24" / 432x610
Tractive Effort (lbs / kg)20,880 / 9471.02
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.12
Heating Ability
Firebox Area (sq ft / m2)114.80 / 10.67
Grate Area (sq ft / m2)21.30 / 1.98
Evaporative Heating Surface (sq ft / m2)1328 / 123.42
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1328 / 123.42
Evaporative Heating Surface/Cylinder Volume210.63
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation3621
Same as above plus superheater percentage3621
Same as above but substitute firebox area for grate area19,516
Power L14103
Power MT315.54