CE & LS 4-4-0 "American" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class H7 (Locobase 9885)

Data from Milwaukee Road 1930 Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive Raildata collection.

Specifications by Steve Llanso of Sweat House Media
Locobase ID9885
RailroadCE & LS (Milwaukee Road)
Number in Class3
Road Numbers718-720
Number Built3
BuilderRhode Island
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase 8.50'
Engine Wheelbase23.25'
Ratio of driving wheelbase to overall engine wheebase 0.37
Overall Wheelbase (engine & tender)45.54'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers60000 lbs
Engine Weight96300 lbs
Tender Light Weight60000 lbs
Total Engine and Tender Weight156300 lbs
Tender Water Capacity2700 gals
Tender Fuel Capacity (oil/coal)5 tons
Minimum weight of rail (calculated)50 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter62"
Boiler Pressure150 psi
Cylinders (dia x stroke)18" x 24"
Tractive Effort15991 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.75
Heating Ability
Firebox Area127 sq. ft
Grate Area17.20 sq. ft
Evaporative Heating Surface1361 sq. ft
Superheating Surface
Combined Heating Surface1361 sq. ft
Evaporative Heating Surface/Cylinder Volume192.54
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2580
Same as above plus superheater percentage2580
Same as above but substitute firebox area for grate area19050
Power L14377
Power MT321.65

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