Barre 0-6-2 Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class Boulder (Locobase 11700)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 16, p. 82

Works number was 11054 in July 1890. See also Industries and wealth of the principal points in Vermont (New York: American Publishing and Engraving Co, 1891), p. 154 as well as Locobase 11614, which has more detailed information on the quarrying operations.

The Sky Route secured this high-adhesion locomotive to scale the steep slopes that led to the deep quarries. After almost 20 years, the Boulder was sold to the Montpelier & Wells River in 1909 and renumbered 10. Fifteen years later, in March 1926, the Rock of Ages monument company bought the 10 and operated for another 10 years before scrapping it.


Class Granite City (Locobase 12618)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 25, p. 18.

Works number was 20931 in September 1902.

As mentioned in earlier entries (Locobases 11614 and 11700), the Sky Route served some pretty rugged terrain in central Vermont, at the heart of which was an immense granite quarry. 5% grades were stiff enough of a challenge and the engine gained boiler size, but and cylinder volume to cope, but the 20-deg curves (58-metre/190-ft radius) elicited the note to "...make swing of drawbar to suit". That is, if the drawbar behind the bunker didn't have enough play, it could bind and derail the engine.

In 1913, the Barre merged with the East Barre and Chelsea Railroad Company (originally established in 1892), the successor being dubbed the Barre and Chelsea and, after 1940, for the Rock of Ages line that connected Barre with the quarry.


Class Monarch (Locobase 12619)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 32, p. 89 and Volume 41, p. 135. Works number was 33301 in March 1909 and 37527 in February 1912.

Seven years after the Granite City went to work on the Barre (Locobase 12618), the granite railroad returned to Baldwin for its last purchases. All significant dimensions increased for more power (granite is pretty heavy ...). The Hercules followed the Monarch three years later.

A year later, the Hercules was renamed Frank H Smith as the Barre merged with the East Barre & Chelsea to become the Barre & Chelsea. Both were sold by the B & C to the Rock of Ages Quarry, the 5 in September 1948, 6 in October 1952.

Specifications by Steve Llanso of Sweat House Media
ClassBoulderGranite CityMonarch
Locobase ID11,700 12,618 12,619
RailroadBarreBarreBarre
CountryUSAUSAUSA
Whyte0-6-2T0-6-2ST0-6-2ST
Number in Class112
Road Numbers345-6
GaugeStdStdStd
Number Built112
BuilderBurnham, Parry, Williams & CoBurnham, Williams & CoBaldwin
Year189019021909
Valve GearStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)10 / 3.0510 / 3.0510.50 / 3.20
Engine Wheelbase (ft / m)18.50 / 5.6418.50 / 5.6420.50 / 6.25
Ratio of driving wheelbase to overall engine wheebase 0.54 0.54 0.51
Overall Wheelbase (engine & tender) (ft / m)18.50 / 5.6418.50 / 5.6420.50 / 6.25
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)83,000 / 37,64896,000 / 43,545120,000 / 54,431
Engine Weight (lbs / kg)92,000 / 41,731110,000 / 49,895138,000 / 62,596
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)92,000110,000138,000
Tender Water Capacity (gals / ML)1000 / 3.791600 / 6.062000 / 7.58
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)46 / 2353 / 26.5067 / 33.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)46 / 116850 / 127051 / 1295
Boiler Pressure (psi / kPa)130 / 9180 / 12.40180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)16" x 24" / 406x61017" x 24" / 432x61019" x 24" / 483x610
Tractive Effort (lbs / kg)14,759 / 6694.5821,224 / 9627.0625,992 / 11789.79
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.62 4.52 4.62
Heating Ability
Firebox Area (sq ft / m2)79.70 / 7.4187.70 / 8.15114 / 10.59
Grate Area (sq ft / m2) 9.40 / 0.8714.40 / 1.3418 / 1.67
Evaporative Heating Surface (sq ft / m2)1094 / 101.671348 / 125.281564 / 145.35
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1094 / 101.671348 / 125.281564 / 145.35
Evaporative Heating Surface/Cylinder Volume195.88213.80198.58
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation122225923240
Same as above plus superheater percentage122225923240
Same as above but substitute firebox area for grate area10,36115,78620,520
Power L1266342504146
Power MT212.20292.80228.51