Charlotte Harbor & Northern 4-6-0 "Ten-Wheeler" Type Locomotives

Class 689 (Locobase 4972)

Very light ten-wheelers taken into the Seaboard Air Line when the CH&N was absorbed. It was withdrawn in 1934.

Data from 1929 SAL locomotive diagrams published on http://www.dnaco.net/~gelwood/other/sal--steambk.html .

Specifications
Class689
Locobase ID4972
RailroadCharlotte Harbor & Northern
Whyte4-6-0
Road Numbers689
GaugeStd
BuilderBaldwin
Year1910
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase12.09'
Engine Wheelbase20'
Ratio of driving wheelbase to overall engine wheebase 0.60
Overall Wheelbase (engine & tender)47.91'
Axle Loading (Maximum Weight per Axle)26668 lbs
Weight on Drivers80000 lbs
Engine Weight105000 lbs
Tender Light Weight100000 lbs
Total Engine and Tender Weight205000 lbs
Tender Water Capacity5000 gals
Tender Fuel Capacity (oil/coal)2608 gals
Minimum weight per yard of rail on which locomotive could run44.44 lb rail
Geometry Relating to Tractive Effort
Driver Diameter56"
Boiler Pressure175 psi
Cylinders (dia x stroke)18" x 24"
Tractive Effort20655 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.87
Heating Ability
Firebox Area107 sq. ft
Grate Area24.10 sq. ft
Evaporative Heating Surface1426
Superheating Surface
Combined Heating Surface1426
Evaporative Heating Surface/Cylinder Volume201.74
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation4217.50
Same as above plus superheater percentage4217.50
Same as above but substitute firebox area for grate area18725
Power L14531.27
Power MT374.61

Credits

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