Chicago & Illinois Midland 2-8-0 "Consolidation" Type Locomotives

Class C-1 (Locobase 7652)

Data from C&IM 4 -1954 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive collection.

This single Consolidation was originally ordered by the Buffalo & Susquehanna, but that railroad couldn't pay for it. So the C & IM bought it instead. The design sported 12" piston valves and the firebox heating surface included 26 sq ft of arch tubes.

The C & IM had been established only 5 years earlier as a joint venture between Chicago Edison and Commonwealth Electric (both controlled by utilities magnate Samuel Insull) and the Peabody Coal Company.

Specifications
ClassC-1
Locobase ID7652
RailroadChicago & Illinois Midland
Whyte2-8-0
Road Numbers510
GaugeStd
BuilderAlco-Brooks
Year1910
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase14.25'
Engine Wheelbase22.08'
Ratio of driving wheelbase to overall engine wheebase 0.65
Overall Wheelbase (engine & tender)54.20'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers170520 lbs
Engine Weight194280 lbs
Tender Light Weight125740 lbs
Total Engine and Tender Weight320020 lbs
Tender Water Capacity6200 gals
Tender Fuel Capacity (oil/coal)12 tons
Minimum weight per yard of rail on which locomotive could run71.05 lb rail
Geometry Relating to Tractive Effort
Driver Diameter51"
Boiler Pressure190 psi
Cylinders (dia x stroke)21" x 28"
Tractive Effort39102 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.36
Heating Ability
Firebox Area205 sq. ft
Grate Area54.29 sq. ft
Evaporative Heating Surface2095
Superheating Surface450
Combined Heating Surface2545
Evaporative Heating Surface/Cylinder Volume186.64
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation10315.10
Same as above plus superheater percentage12138.99
Same as above but substitute firebox area for grate area45837.03
Power L110316.18
Power MT533.50

Credits

Introduction and specifications provided by Steve Llanso of Sweat House Media.