Gay Lumber Company / Gray Lumber Company 2-4-0 "Porter" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 2 (Locobase 12368)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 22, p. 176. Works number was 17197 in October 1899.

This small 6-wheeler had only a short career with Gay Lumber in North Carolina.


Class Nellie (Locobase 12388)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 22, p. 224. Works number was 17384 in January 1900.

It may seem odd to describe a 12-ton vehicle as "toylike", but this wood-burning six-wheeler's dimensions suggest the adjective (or perhaps "petite", given her name), especially when trailing her 4-wheel tender.

Nellie led a lumber-engine's life. After a few years with Gray Lumber, Nellie went to Blades Lumber Company (New Bern, NC), which sold it in July 1906 to John L Roper Lumber (Norfolk, Va), which gave it #14.

Specifications by Steve Llanso of Sweat House Media
Class2Nellie
Locobase ID12,368 12,388
RailroadGay Lumber CompanyGray Lumber Company
CountryUSAUSA
Whyte2-4-02-4-0
Number in Class11
Road Numbers27
GaugeStd3'
Number Built11
BuilderBurnham, Williams & CoBurnham, Williams & Co
Year18991899
Valve GearStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)6 / 1.83 5.50 / 1.68
Engine Wheelbase (ft / m)11.71 / 3.5711.17 / 3.40
Ratio of driving wheelbase to overall engine wheebase 0.51 0.49
Overall Wheelbase (engine & tender) (ft / m)25.21 / 7.68
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)23,000 / 10,43320,000 / 9072
Engine Weight (lbs / kg)27,000 / 12,24724,000 / 10,886
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)1000 / 3.79400 / 1.52
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)19 / 9.5017 / 8.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)36 / 91434 / 864
Boiler Pressure (psi / kPa)160 / 11160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)9" x 16" / 229x4069" x 14" / 229x406
Tractive Effort (lbs / kg)4896 / 2220.794536 / 2057.50
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.70 4.41
Heating Ability
Firebox Area (sq ft / m2)36.70 / 3.4135 / 3.25
Grate Area (sq ft / m2) 7.83 / 0.737 / 0.65
Evaporative Heating Surface (sq ft / m2)256 / 23.79219 / 20.35
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)256 / 23.79219 / 20.35
Evaporative Heating Surface/Cylinder Volume217.30212.45
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation12531120
Same as above plus superheater percentage12531120
Same as above but substitute firebox area for grate area58725600
Power L135813465
Power MT686.50763.90