Atlantic Mining 0-4-0 Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class Josephine Gay (Locobase 10851)

Data from Catalogue Descriptive of Simple and Compound Locomotives built by Brooks Locomotive Works, Dunkirk, NY (Buffalo, NY: Matthew-Northrup Company, 1899). Works number was 1863 Builder info from B.Rumary, 25 Kingscombe, Gurney Slade, Radstock, BA3 4TH, ENGLAND and Jeremy Lambert as supplied by Allen Stanley in March 2004.

This is a Forney type put to use well away from the usual commuter or elevated railroad venues. AMC was one of the larger copper-mining concerns to explore the deposits in Houghton County, Michigan.

Specifications by Steve Llanso of Sweat House Media
ClassJosephine Gay
Locobase ID10851
RailroadAtlantic Mining
Number in Class1
Road Numbers
Gauge4' 1""
Number Built1
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase 6.50'
Engine Wheelbase22'
Ratio of driving wheelbase to overall engine wheebase 0.30
Overall Wheelbase (engine & tender)22'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers68800 lbs
Engine Weight90800 lbs
Tender Light Weight
Total Engine and Tender Weight90800 lbs
Tender Water Capacity600 gals
Tender Fuel Capacity (oil/coal)1 tons
Minimum weight of rail (calculated)57 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter50"
Boiler Pressure165 psi
Cylinders (dia x stroke)16" x 24"
Tractive Effort17234 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.99
Heating Ability
Firebox Area91 sq. ft
Grate Area16.30 sq. ft
Evaporative Heating Surface990 sq. ft
Superheating Surface
Combined Heating Surface990 sq. ft
Evaporative Heating Surface/Cylinder Volume177.26
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2690
Same as above plus superheater percentage2690
Same as above but substitute firebox area for grate area15015
Power L13557
Power MT227.96

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