Vicksburg & Meridian 4-4-0 "American" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class California (Locobase 7950)

Data from CNO&TP 1893 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. Works numbers were 2194 and 2196 in January 1873.

This pair of Americans was small even for 1873, especially in such dimensions as overall heating surface and cylinder volume. The V&M named the second engine Texas.

They were considerably smaller than the other 400-series engines on the Alabama & Vicksburg, the others having been delivered more than 15 years later.

Specifications by Steve Llanso of Sweat House Media
ClassCalifornia
Locobase ID7950
RailroadVicksburg & Meridian
CountryUSA
Whyte4-4-0
Number in Class2
Road Numbers403-404
GaugeStd
Number Built2
BuilderRogers
Year1873
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 7.46 / 2.27
Engine Wheelbase (ft / m)22.54 / 6.87
Ratio of driving wheelbase to overall engine wheebase 0.33
Overall Wheelbase (engine & tender) (ft / m)45 / 13.72
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)37,695 / 17,098
Engine Weight (lbs / kg)60,140 / 27,279
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)2000 / 7.58
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)31 / 15.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)56 / 1422
Boiler Pressure (psi / kPa)130 / 9
High Pressure Cylinders (dia x stroke) (in / mm)14.5" x 24" / 368x610
Tractive Effort (lbs / kg)9957 / 4516.42
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.79
Heating Ability
Firebox Area (sq ft / m2)67.75 / 6.30
Grate Area (sq ft / m2)13.25 / 1.23
Evaporative Heating Surface (sq ft / m2)881 / 81.88
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)881 / 81.88
Evaporative Heating Surface/Cylinder Volume192.07
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1723
Same as above plus superheater percentage1723
Same as above but substitute firebox area for grate area8808
Power L13226
Power MT377.35