Detroit & Mackinac 2-8-0 "Consolidation" Locomotives in the USA

Class Details by Steve Llanso of Sweat House Media

Class unknown (Locobase 12427)

Data from The Railway Age, Volume 41 (11 May 1906), p. 807.

Principal Dimensions by Steve Llanso of Sweat House Media
Locobase ID12,427
RailroadDetroit & Mackinac
Number in Class3
Road Numbers
Number Built3
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)
Engine Wheelbase (ft / m)
Ratio of driving wheelbase to overall engine wheebase
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)171,000 / 77,564
Engine Weight (lbs / kg)192,600 / 87,362
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)4000 / 15.15
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)11 / 10
Minimum weight of rail (calculated) (lb/yd / kg/m)71 / 35.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)57 / 1448
Boiler Pressure (psi / kPa)190 / 13.10
High Pressure Cylinders (dia x stroke) (in / mm)23" x 28" / 584x711
Tractive Effort (lbs / kg)41,967 / 19035.93
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.07
Heating Ability
Firebox Area (sq ft / m2)218 / 20.26
Grate Area (sq ft / m2)35.87 / 3.33
Evaporative Heating Surface (sq ft / m2)3100 / 288.10
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)3100 / 288.10
Evaporative Heating Surface/Cylinder Volume230.24
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation6815
Same as above plus superheater percentage6815
Same as above but substitute firebox area for grate area41,420
Power L15617
Power MT289.67

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