Mossor= 2-6-0 Locomotives in Brazil


Class Details by Steve Llanso of Sweat House Media

Class Ulrich Graf (Locobase 13985)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 44, p 178. Works numbers were 40133-40134 in July 1913.

Mossoro was the second-largest city in Rio Grande do Norte, which is just north of the easternmost bulge in the Brazilian coast.

Principal Dimensions by Steve Llanso of Middle Run Media
ClassUlrich Graf
Locobase ID13985
RailroadMossor=
CountryBrazil
Whyte2-6-0
Number in Class2
Road Numbers1-2
GaugeMetre
Number Built2
BuilderBaldwin
Year1916
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m) 7.25 / 2.21
Engine Wheelbase (ft / m)14.42 / 4.40
Ratio of driving wheelbase to overall engine wheelbase 0.50
Overall Wheelbase (engine & tender) (ft / m)40.04 / 12.20
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)54,000 / 24,494
Engine Weight (lbs / kg)64,000 / 29,030
Tender Loaded Weight (lbs / kg)44,000 / 19,958
Total Engine and Tender Weight (lbs / kg)108,000 / 48,988
Tender Water Capacity (gals / ML)2200 / 8.33
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)30 / 15
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)37 / 940
Boiler Pressure (psi / kPa)160 / 1100
High Pressure Cylinders (dia x stroke) (in / mm)14" x 18" / 356x457
Tractive Effort (lbs / kg)12,968 / 5882.19
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.16
Heating Ability
Tubes (number - dia) (in / mm)141 - 2" / 51
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)12.25 / 3.73
Firebox Area (sq ft / m2)58 / 5.39
Grate Area (sq ft / m2)12.20 / 1.13
Evaporative Heating Surface (sq ft / m2)956 / 88.81
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)956 / 88.81
Evaporative Heating Surface/Cylinder Volume298.09
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1952
Same as above plus superheater percentage1952
Same as above but substitute firebox area for grate area9280
Power L13833
Power MT469.46

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