Camp Manufacturing / Central Monserrate 2-6-0 "Mogul" Locomotives of the USA


Class Details by Steve Llanso of Sweat House Media

Class 18 (Locobase 12925)

Data from Baldwin Locomotive Works Specification for Engines, 1890, as digitized by the DeGolyer Library of Southern Methodist University Vol 28 . Works number was 32012

in October 1907.

As this railroad penetrated the timberlands on the Virginia-North Carolina border, it added to its narrow-gauge Mogul roster. A relatively long wheelbase suggests a preoccupation with light rail loadings.


Class 23 (Locobase 12924)

Data from Baldwin Locomotive Works Specification for Engines, 1890, as digitized by the DeGolyer Library of Southern Methodist University Vol 28 . Works number was 27506 in February 1906.

J W Truitt was the broker for this locomotive, which was one of few bought by Camp from Baldwin. It was considerably larger than the narrow-gauge engine of 1894 described in Locobase 12131.


Class 28 (Locobase 12926)

Data from Baldwin Locomotive Works Specification for Engines, 1890, as digitized by the DeGolyer Library of Southern Methodist University Vol 28 . Works number was 39270

in February 1913.

Camp's logging operations called for lightly loaded locomotives and like many such companies, procuring a Prairie offered a useful combination of power spread out over 5 axles.

The 28 later went to Gray Lumber Company, which scrapped it in 1951.


Class Hertford (Locobase 12131)

Data from Baldwin Locomotive Works Specification for Engines, 1890, as digitized by the DeGolyer Library of Southern Methodist University, Volume 19, p. 171. Works number was 14110 in November 1894.

Camp Manufacturing operated in southeastern Virginia near Suffolk and this little logging Mogul fit right in.


Class Morovis (Locobase 13765)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 36, p.240. Works number was 35250 in September 1910.

The specs for this plantation Mogul indicate what the little engine was up against. It was expected to scale 3 1/2 to 4% grades, go around 90-ft (27.4-metre) radii curves, and be kind to 35-lb/yard (17.5-kg/metre) rail. They too were supplied by Ernst Wiener Company, which increasingly looked to gasoline power for the sugar-central engines it ordered.

Specifications by Steve Llanso of Sweat House Media
Class182328HertfordMorovis
Locobase ID12,925 12,924 12,926 12,131 13,765
RailroadCamp ManufacturingCamp ManufacturingCamp ManufacturingCamp ManufacturingCentral Monserrate
CountryUSAUSAUSAUSAUSA
Whyte2-6-02-6-02-6-02-6-02-6-0
Number in Class11111
Road Numbers18232844
Gauge3'Std3'4'60 cm
Number Built11111
BuilderBurnham, Williams & CoBurnham, Williams & CoBaldwinBurnham, Williams & CoBaldwin
Year19071906191318941910
Valve GearStephensonStephensonStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft)13.4211.33810.087
Engine Wheelbase (ft)19.9221.5822.6716.2513.08
Ratio of driving wheelbase to overall engine wheebase 0.67 0.53 0.35 0.62 0.54
Overall Wheelbase (engine & tender) (ft)
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)56,00093,00055,15029,00037,000
Engine Weight (lbs)68,000116,00072,55037,00044,000
Tender Loaded Weight (lbs)40,00070,00040,00030,000
Total Engine and Tender Weight (lbs)108,000186,000112,55074,000
Tender Water Capacity (gals)20003500190012001500
Tender Fuel Capacity (oil/coal) (gals/tons) 4.50
Minimum weight of rail (calculated) (lb/yd)3152311621
Geometry Relating to Tractive Effort
Driver Diameter (in)4050373733
Boiler Pressure (psi)170180200135160
High Pressure Cylinders (dia x stroke) (in)14" x 20"17" x 24"13" x 20"11" x 18"12" x 16"
Tractive Effort (lbs)14,16121,22415,53067559495
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.95 4.38 3.55 4.29 3.90
Heating Ability
Firebox Area (sq ft)74.70146704241.50
Grate Area (sq ft) 9.8022.4015.70 7.70 7.60
Evaporative Heating Surface (sq ft)8061628906357423
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)8061628906357423
Evaporative Heating Surface/Cylinder Volume226.19258.21294.87180.32201.97
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation16664032314010401216
Same as above plus superheater percentage16664032314010401216
Same as above but substitute firebox area for grate area12,69926,28014,00056706640
Power L137515610504223842649
Power MT443.01398.97604.66543.70473.52


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