Franz Nordbahn 2-8-2 Locomotives in Germany


Class Details by Steve Llanso of Sweat House Media

Class 11.1206 (Locobase 15530)

Data from SACM diagram UG Type 189 from Societe Alsacienne de Constructions Mecaniques from locomotive book supplied by Dany Machi up at [] as

Diagrammes des machines SACM construites a GRAFENSTADEN (October 2007). Works numbers were 7688-7697.

Tube diameter is the interior measurement. The Belpaire boiler had two sizes of tubes: 36 with 45 mm/50 mm (inside/outside diameters), 65 Serve tubes with 65/70 mm.

Principal Dimensions by Steve Llanso of Sweat House Media

Class11.1206
Locobase ID15530
RailroadFranz Nordbahn
CountryGermany
Whyte2-8-2T
Number in Class10
Road Numbers11.1206-11.1215
GaugeStd
Number Built10
BuilderSACM
Year
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)17.72 / 5.40
Engine Wheelbase (ft / m)37.40 / 11.40
Ratio of driving wheelbase to overall engine wheelbase 0.47
Overall Wheelbase (engine & tender) (ft / m)37.40 / 11.40
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)189,597 / 86,000
Engine Weight (lbs / kg)270,066 / 122,500
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)270,066 / 122,500
Tender Water Capacity (gals / ML)2640 / 10
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 5.50 / 5
Minimum weight of rail (calculated) (lb/yd / kg/m)79 / 39.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)61 / 1550
Boiler Pressure (psi / kPa)255.30 / 17.60
High Pressure Cylinders (dia x stroke) (in / mm)25.2" x 27.56" / 640x700
Tractive Effort (lbs / kg)62,262 / 28241.60
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.05
Heating Ability
Tubes (number - dia) (in / mm)
Flues (number - dia) (in / mm)32 - 5.315" / 135
Flue/Tube length (ft / m)15.58 / 4.75
Firebox Area (sq ft / m2)199.13 / 18.50
Grate Area (sq ft / m2)33.37 / 3.10
Evaporative Heating Surface (sq ft / m2)2194 / 203.83
Superheating Surface (sq ft / m2)692 / 64.25
Combined Heating Surface (sq ft / m2)2886 / 268.08
Evaporative Heating Surface/Cylinder Volume137.91
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation8519
Same as above plus superheater percentage10,564
Same as above but substitute firebox area for grate area63,039
Power L115,364
Power MT714.61

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