Waimanalo 0-4-2 Locomotives of the USA


Class Details by Steve Llanso of Sweat House Media

Class unknown (Locobase 13128)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 30, p. 33. Works number was 20968 in October 1902.

W G Irwin bought yet another Hawaiian sugar-plantation saddle tanker and one of the lightest of the type.

Specifications by Steve Llanso of Sweat House Media
Classunknown
Locobase ID13128
RailroadWaimanalo
CountryUSA
Whyte0-4-2ST
Number in Class1
Road Numbers
Gauge3'
Number Built1
BuilderBurnham, Williams & Co
Year1907
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase 3.33'
Engine Wheelbase 7.83'
Ratio of driving wheelbase to overall engine wheebase 0.43
Overall Wheelbase (engine & tender) 7.83'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers9000 lbs
Engine Weight12500 lbs
Tender Light Weight
Total Engine and Tender Weight12500 lbs
Tender Water Capacity110 gals
Tender Fuel Capacity (oil/coal)
Minimum weight of rail (calculated)8 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter24"
Boiler Pressure150 psi
Cylinders (dia x stroke)7" x 10"
Tractive Effort2603 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.46
Heating Ability
Firebox Area17.60 sq. ft
Grate Area 4.54 sq. ft
Evaporative Heating Surface127 sq. ft
Superheating Surface
Combined Heating Surface127 sq. ft
Evaporative Heating Surface/Cylinder Volume285.12
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation681
Same as above plus superheater percentage681
Same as above but substitute firebox area for grate area2640
Power L12896
Power MT1418.80


If you have any railroad data such as diagram books, rail station plans or anything else that you would be willing to share, please contact us.