Algoma Central 2-8-0 Locomotives in Canada


Class Details by Steve Llanso of Sweat House Media

Class 21 / Ci (Locobase 12421)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 23, pp. 45 and 87. Works numbers were 17796 in May 1900, 17811 in June, and 18011 in August.

The ACR's trunk line runs Sault Sainte Marie almost due north to Hearst, Ontario. Having to abandon its dream of connecting Lake Superior with Hudson Bay (because it was there, at the very least ...), the ACR did reach Hearst in 1914. These Consolidations served the ACR until the mid-1920s.

In addition to the three shown here, which were delivered as simple-expansion engines, the fourth was built as a Vauclain compound; see Locobase 12422.

22 was sent to the scrapyard in May 1924, the other three were scrapped in 1926.


Class 24 / Ci (Locobase 12422)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 23, pp. 45 and 87. (Thanks to Wes Barris of steamlocomotive.com for his 28 June 2018 email reporting the missing metric equivalents to cylinder diameter and stroke.) Works number was 18033 in August 1900.

Identical to the three delivered with 21" x 30" cylinders (Locobase 14421), this engine was built as a Vauclain compound. As with all such compounds, a casting of one LP and HP cylinder, supplied through the single 12" (305 mm) piston valve, was placed on each side of the frame.

It was later converted to the simple-expansion configuration.

Principal Dimensions by Steve Llanso of Middle Run Media
Class21 / Ci24 / Ci
Locobase ID12421 12422
RailroadAlgoma CentralAlgoma Central
CountryCanadaCanada
Whyte2-8-02-8-0
Number in Class41
Road Numbers21-2324
GaugeStdStd
Number Built31
BuilderBurnham, Williams & CoBurnham, Williams & Co
Year18981900
Valve GearStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)15.08 / 4.6015.09 / 4.60
Engine Wheelbase (ft / m)23.75 / 7.2423.75 / 7.24
Ratio of driving wheelbase to overall engine wheelbase 0.63 0.64
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)165,000 / 74,843165,000 / 74,843
Engine Weight (lbs / kg)184,000 / 83,461184,000 / 83,461
Tender Loaded Weight (lbs / kg)90,000 / 40,82390,000 / 40,823
Total Engine and Tender Weight (lbs / kg)274,000 / 124,284274,000 / 124,284
Tender Water Capacity (gals / ML)4500 / 17.054500 / 17.05
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)69 / 34.5069 / 34.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)56 / 142256 / 1422
Boiler Pressure (psi / kPa)200 / 1380200 / 1380
High Pressure Cylinders (dia x stroke) (in / mm)21" x 30" / 533x76215.5" x 30" / 394x762
Low Pressure Cylinders (dia x stroke) (in / mm)26" x 30" / 660x762
Tractive Effort (lbs / kg)40,163 / 18217.6532,286 / 14644.70
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.11 5.11
Heating Ability
Tubes (number - dia) (in / mm)321 - 2" / 51321 - 2" / 51
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)13.50 / 4.1113.50 / 4.11
Firebox Area (sq ft / m2)202 / 18.77202 / 18.77
Grate Area (sq ft / m2)35 / 3.2535 / 3.25
Evaporative Heating Surface (sq ft / m2)2455 / 228.162456 / 228.17
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)2455 / 228.162456 / 228.17
Evaporative Heating Surface/Cylinder Volume204.07374.68
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation70007000
Same as above plus superheater percentage70007000
Same as above but substitute firebox area for grate area40,40040,400
Power L153773510
Power MT287.38187.59

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Wes Barris