Montpelier & Wells River 2-6-0 "Mogul" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 11 (Locobase 14068)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 45, p. 168. Works number was 33394 in May 1909.

Covering the 38 miles from Vermont's capital city to the railroad town on the Connecticut river, the M & WR also operated a 5-mile spur to Barre and its big granite-quarrying business. Construction began in 1870 and opened in two sections on 15 September and 24 November 1873. (The last train over the line ran 83 years later on 15 November 1956.)

The two anchor cities differed in elevation by only 62 feet (18 metres) with Wells River at 461 feet (141 metres) and Montpelier at 523 feet (159 metres). Between the two, however, lay such stops as Groton Pond at 1,078 feet (329 metres) and the aptly named Summit cresting at 1,443 feet (440 metres).

Specifications by Steve Llanso of Sweat House Media
Locobase ID14,068
RailroadMontpelier & Wells River
Number in Class1
Road Numbers11
Number Built1
BuilderBurnham, Williams & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)14 / 4.27
Engine Wheelbase (ft / m)21.75 / 6.63
Ratio of driving wheelbase to overall engine wheebase 0.64
Overall Wheelbase (engine & tender) (ft / m)47.17 / 14.38
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)114,000 / 51,710
Engine Weight (lbs / kg)130,000 / 58,967
Tender Loaded Weight (lbs / kg)70,000 / 31,752
Total Engine and Tender Weight (lbs / kg)200,000 / 90,719
Tender Water Capacity (gals / ML)3500 / 13.26
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)8 / 7.30
Minimum weight of rail (calculated) (lb/yd / kg/m)63 / 31.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)57 / 1448
Boiler Pressure (psi / kPa)200 / 13.80
High Pressure Cylinders (dia x stroke) (in / mm)18" x 26" / 457x660
Tractive Effort (lbs / kg)25,124 / 11396.07
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.54
Heating Ability
Firebox Area (sq ft / m2)133 / 12.36
Grate Area (sq ft / m2)25.90 / 2.41
Evaporative Heating Surface (sq ft / m2)1797 / 166.95
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1797 / 166.95
Evaporative Heating Surface/Cylinder Volume234.67
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation5180
Same as above plus superheater percentage5180
Same as above but substitute firebox area for grate area26,600
Power L16109
Power MT354.42