CFD Articulated Locomotives in France


Class Details by Steve Llanso of Sweat House Media

Class unknown (Locobase 9430)

Data from G Humbert, Traite des Chemins de Fer d'Interet Local (Paris: Ch Beranger, 1893) , p. 263.

Locobase believes the larger diameter of the two cylinder sizes should be something like 380 mm, but Humbert's table clearly shows 280 mm. The compiler adopts 380 mm because of the more likely HP/LP ratio it yields.

Principal Dimensions by Steve Llanso of Middle Run Media
Classunknown
Locobase ID9430
RailroadCFD (Montereau a Yssingeaux)
CountryFrance
Whyte0-4-4-0T
Number in Class
Road Numbers
GaugeMetre
Number Built
BuilderSACM
Year1892
Valve GearHeusinger
Locomotive Length and Weight
Driver Wheelbase (ft / m) 3.77 / 1.15
Engine Wheelbase (ft / m)13.12 / 4
Ratio of driving wheelbase to overall engine wheelbase 0.29
Overall Wheelbase (engine & tender) (ft / m)13.12 / 4
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)54,454 / 24,700
Engine Weight (lbs / kg)54,454 / 24,700
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)54,454 / 24,700
Tender Water Capacity (gals / ML)
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)23 / 11.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)35.40 / 899
Boiler Pressure (psi / kPa)169.70 / 1170
High Pressure Cylinders (dia x stroke) (in / mm)9.84" x 18.11" / 250x460
Low Pressure Cylinders (dia x stroke) (in / mm)14.96" x 18.11" / 380x460
Tractive Effort (lbs / kg)9975 / 4524.59
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.46
Heating Ability
Tubes (number - dia) (in / mm)
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)10.83 / 3.30
Firebox Area (sq ft / m2)44.33 / 4.12
Grate Area (sq ft / m2) 8.18 / 0.76
Evaporative Heating Surface (sq ft / m2)451 / 41.91
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)451 / 41.91
Evaporative Heating Surface/Cylinder Volume282.94
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1388
Same as above plus superheater percentage1388
Same as above but substitute firebox area for grate area7523
Power L11828
Power MT296.03

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