Alton & Southern 0-10-0 Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 14 (Locobase 13993)

Data from Alt&Sou 1937 Locomotive Diagram book supplied in May 2005 by Allen. Works number was 67150 in November 1930. See also DeGolyer, Vol 80, pp. 610+. (Thanks to Chris Hohl for correcting the valve gear ID and for noting the tender booster tractive effort.) Works number was 61570 in November 1930.

Big, all-adhesion switcher for this mineral road's transfer service and the last 0-10-0 Baldwin would build. It was bought for the A&S by the Aluminum Company of America (Alcoa's).

The 14 was delivered with a two-unit thermic syphon setup; later the firebox heating surface area included 108 sq ft (10 sq m) in four Nicholson thermic syphons. Another aid to providing plenty of hot steam was the superheater's share of combined heating surface area, which was quite large . Piston valves measured 14" (356 mm) in diameter.

The front truck of the tender was converted to a booster; photographs show the coupled axles (as well as aluminized cylinders, steps, and most of the boiler). Indeed, Alcoa's interest in promoting aluminum for load-bearing applications led to the specification of aluminum in many components from grab irons to side rods.

Specifications by Steve Llanso of Sweat House Media
Class14
Locobase ID13,993
RailroadAlton & Southern
CountryUSA
Whyte0-10-0
Number in Class1
Road Numbers14
GaugeStd
Number Built1
BuilderBaldwin
Year1931
Valve GearBaker
Locomotive Length and Weight
Driver Wheelbase (ft / m)20.83 / 6.35
Engine Wheelbase (ft / m)20.83 / 6.35
Ratio of driving wheelbase to overall engine wheebase1
Overall Wheelbase (engine & tender) (ft / m)67.58 / 20.60
Axle Loading (Maximum Weight per Axle) (lbs / kg)64,800 / 29,393
Weight on Drivers (lbs / kg)324,000 / 146,964
Engine Weight (lbs / kg)324,000 / 146,964
Tender Loaded Weight (lbs / kg)235,000 / 106,594
Total Engine and Tender Weight (lbs / kg)559,000 / 253,558
Tender Water Capacity (gals / ML)12,000 / 45.45
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)18 / 16.40
Minimum weight of rail (calculated) (lb/yd / kg/m)108 / 54
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)57 / 1448
Boiler Pressure (psi / kPa)230 / 15.90
High Pressure Cylinders (dia x stroke) (in / mm)28" x 30" / 711x762
Tractive Effort (lbs / kg)80,669 / 36590.89
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.02
Heating Ability
Firebox Area (sq ft / m2)344 / 31.96
Grate Area (sq ft / m2)80 / 7.43
Evaporative Heating Surface (sq ft / m2)3974 / 369.19
Superheating Surface (sq ft / m2)1135 / 105.44
Combined Heating Surface (sq ft / m2)5109 / 474.63
Evaporative Heating Surface/Cylinder Volume185.87
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation18,400
Same as above plus superheater percentage22,448
Same as above but substitute firebox area for grate area96,526
Power L116,259
Power MT553.16

Photos