Peoria & Pekin Union 4-4-0 "American" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class B1 (Locobase 8882)

Data from Peoria & Pekin Union 6 - 1925 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.

The diagram book says this little Eight-wheeler was built at the shops in 1915. In fact, it was REbuilt by the shops from an 1879 Chicago & North Western locomotive (numbered 352 by the C&NW)..

Specifications by Steve Llanso of Sweat House Media
ClassB1
Locobase ID8882
RailroadPeoria & Pekin Union
CountryUSA
Whyte4-4-0
Number in Class1
Road Numbers15
GaugeStd
Number Built1
BuilderP&PU
Year1915
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 8.50 / 2.59
Engine Wheelbase (ft / m)22.42 / 6.83
Ratio of driving wheelbase to overall engine wheebase 0.38
Overall Wheelbase (engine & tender) (ft / m)51.71 / 15.76
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)56,100 / 25,447
Engine Weight (lbs / kg)86,400 / 39,190
Tender Loaded Weight (lbs / kg)80,000 / 36,287
Total Engine and Tender Weight (lbs / kg)166,400 / 75,477
Tender Water Capacity (gals / ML)4100 / 15.53
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT) 7.50 / 6.80
Minimum weight of rail (calculated) (lb/yd / kg/m)47 / 23.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)63 / 1600
Boiler Pressure (psi / kPa)160 / 11
High Pressure Cylinders (dia x stroke) (in / mm)18" x 24" / 457x610
Tractive Effort (lbs / kg)16,786 / 7614.01
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.34
Heating Ability
Firebox Area (sq ft / m2)125.50 / 11.66
Grate Area (sq ft / m2)19.70 / 1.83
Evaporative Heating Surface (sq ft / m2)1118 / 103.90
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1118 / 103.90
Evaporative Heating Surface/Cylinder Volume158.16
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation3152
Same as above plus superheater percentage3152
Same as above but substitute firebox area for grate area20,080
Power L14149
Power MT326.10