Minneapolis, Lyndale & Lake Calhoun 0-4-2 Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 1 (Locobase 11751)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 9, p. 101. Baldwin works number was 4638 in May 1879.

See also John W Diers & Aaron Isaacs, Twin Cities by Trolley: The Streetcar Era in Minneapolis and St Paul (Minneapolis, Minn: University of Minnesota Press, 2007), pp. 28 et seq.

This steam dummy helped to open this street railway and was so characteristic of the motive power that the line would be known as the Motor Line. According to Diers & Isaacs, the line "...was built to promote development by providing reliable transportation from the fringes of the city to the downtown. Investors saw it as a way to open the area around Lakes Calhoun and Harriet for recreation and housing."

Specifications by Steve Llanso of Sweat House Media
Class1
Locobase ID11,751
RailroadMinneapolis, Lyndale & Lake Calhoun
CountryUSA
Whyte0-4-2T
Number in Class2
Road Numbers1-2
Gauge3'
Number Built2
BuilderBurnham, Parry, Williams & Co
Year1879
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)4 / 1.22
Engine Wheelbase (ft / m)10.50 / 3.20
Ratio of driving wheelbase to overall engine wheebase 0.38
Overall Wheelbase (engine & tender) (ft / m)10.50 / 3.20
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)18,000 / 8165
Engine Weight (lbs / kg)24,000 / 10,886
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)400 / 1.52
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)15 / 7.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)37 / 940
Boiler Pressure (psi / kPa)130 / 9
High Pressure Cylinders (dia x stroke) (in / mm)10" x 12" / 254x305
Tractive Effort (lbs / kg)3584 / 1625.68
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.02
Heating Ability
Firebox Area (sq ft / m2)28 / 2.60
Grate Area (sq ft / m2) 6.60 / 0.61
Evaporative Heating Surface (sq ft / m2)168 / 15.61
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)168 / 15.61
Evaporative Heating Surface/Cylinder Volume154.01
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation858
Same as above plus superheater percentage858
Same as above but substitute firebox area for grate area3640
Power L12264
Power MT554.58