Detroit & River Saint Clair 2-4-2 "Columbian" Locomotives in the USA

Class Details by Steve Llanso of Sweat House Media

Class 5 (Locobase 12286)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 21 p. 223. (Many thanks to Chris Hohl for his 22 March 2018 email pointing out significant errors in the stroke length and boiler pressure.) Works number was 16010 in June 1898.

The specs required from the Panorama Route stipulated that the coal and water supply to suffice for a 40-mile run. Baldwin delivered this small Vauclain compound tank that used a boiler made up of a thick bundle of vertical tubes. A "conveniently located" condenser was able to take all of the steam diverted from the cylinders. Sixteen circulating tubes in the lower tube sheet, each 2" (50.8 mm) in diameter and 10 feet long (3.05 m) conveyed the coal to the firebox. One 8" (203 mm) piston valve supplied the steam to each set of one HP and one LP cylinder on a side.

Originally bought by the International Construction & Improvement Co for construction, the 5 worked for the D&RSC when it opened. When that electrified, the sturdy tank went over to the Detroit, Mount Clemens & Marine and when that one electrified, the Despatch Construction Company bought the engine.

Principal Dimensions by Steve Llanso of Sweat House Media

Locobase ID12286
RailroadDetroit & River Saint Clair
Number in Class1
Road Numbers5
Number Built1
BuilderBurnham, Williams & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 7.50 / 2.29
Engine Wheelbase (ft / m)19.50 / 5.94
Ratio of driving wheelbase to overall engine wheelbase 0.38
Overall Wheelbase (engine & tender) (ft / m)19.50 / 5.94
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)50,000 / 22,680
Engine Weight (lbs / kg)70,000 / 31,752
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)70,000
Tender Water Capacity (gals / ML)650 / 2.46
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)42 / 21
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)42 / 1067
Boiler Pressure (psi / kPa)200 / 11
High Pressure Cylinders (dia x stroke) (in / mm)8.5" x 18" / 216x381
Low Pressure Cylinders (dia x stroke) (in / mm)14" x 18" / 356x381
Tractive Effort (lbs / kg)7692 / 3489.04
Factor of Adhesion (Weight on Drivers/Tractive Effort) 6.50
Heating Ability
Tubes (number - dia) (in / mm)552 - 1.25" / 32
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)5 / 1.52
Firebox Area (sq ft / m2)40 / 3.72
Grate Area (sq ft / m2)15 / 1.39
Evaporative Heating Surface (sq ft / m2)646 / 60.04
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)646 / 60.04
Evaporative Heating Surface/Cylinder Volume546.09
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation3000
Same as above plus superheater percentage3000
Same as above but substitute firebox area for grate area8000
Power L13693
Power MT325.67

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