J F Welch Lumber Company 2-6-0 "Mogul" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class Daisye (Locobase 12298)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 21, p.268. Works numbers were 16289 in October 1898.

Very shortly after Daisye [sic], a very light Mogul, was produced and delivered to its Howison, Mississippi buyer in Harrison County, the L N Dantzler Lumber Company bought all of J F Welch company's assets for $75,000 and the Native Lumber Company was incorporated to operate it. They didn't "correct" the spelling of the locomotive's name.

Native Lumber operated the 2 for at least 30 years within a challenging set of constraints. Rail weight was fixed at 25 lb/yard (12.5 kg/metre), the sharpest curve was 8 deg (143 m/469-ft radius) and maximum grade was a stiff 6% (317 ft per mile).

PS Locobase thinks "Daisye, a very light Mogul" has potential to rival "Thomas the Tank Engine" as a book title ...

Specifications by Steve Llanso of Sweat House Media
ClassDaisye
Locobase ID12,298
RailroadJ F Welch Lumber Company
CountryUSA
Whyte2-6-0
Number in Class1
Road Numbers2
GaugeStd
Number Built1
BuilderBurnham, Williams & Co
Year1898
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)10 / 3.05
Engine Wheelbase (ft / m)16.17 / 4.93
Ratio of driving wheelbase to overall engine wheebase 0.62
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)33,000 / 14,969
Engine Weight (lbs / kg)42,000 / 19,051
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)1500 / 5.68
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)18 / 9
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)36 / 914
Boiler Pressure (psi / kPa)160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)12" x 18" / 305x457
Tractive Effort (lbs / kg)9792 / 4441.58
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.37
Heating Ability
Firebox Area (sq ft / m2)48.50 / 4.51
Grate Area (sq ft / m2)10 / 0.93
Evaporative Heating Surface (sq ft / m2)407 / 37.83
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)407 / 37.83
Evaporative Heating Surface/Cylinder Volume172.74
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1600
Same as above plus superheater percentage1600
Same as above but substitute firebox area for grate area7760
Power L12646
Power MT530.31