0-4-2 Steam Locomotives in France

Unspecified


Class Details by Steve Llanso of Sweat House Media

Class Locomotive Type No 6 (Locobase 21263)

Data from "Societe Nouvelle des Etablissments Decauville Ain, a Petit-Bourg (Seine-et-Oise), France", p. 77.

The manufacturer claimed the engine would consume 39 litres of water per km (6.4 gallons per mile) and 5.5 kg per km (7.53 lb/mile). At that rate, the likely endurance turned out to be 27 km (16.7 miles).

Principal Dimensions by Steve Llanso of Middle Run Media
ClassLocomotive Type No 6
Locobase ID21263
Railroad
CountryFrance
Whyte0-4-2T
Number in Class
Road Numbers
Gauge60 cm
Number Built
BuilderDecauville
Year
Valve GearDecauville
Locomotive Length and Weight
Driver Wheelbase (ft / m) 2.95 / 0.90
Engine Wheelbase (ft / m) 6.23 / 1.90
Ratio of driving wheelbase to overall engine wheelbase 0.47
Overall Wheelbase (engine & tender) (ft / m) 6.23 / 1.90
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)
Engine Weight (lbs / kg)21,495 / 9750
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)269 / 1.02
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 0.30 / 0.28
Minimum weight of rail (calculated) (lb/yd / kg/m)
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)23.60 / 600
Boiler Pressure (psi / kPa)161.60 / 1100
High Pressure Cylinders (dia x stroke) (in / mm)8.27" x 11.81" / 210x300
Tractive Effort (lbs / kg)4701 / 2132.34
Factor of Adhesion (Weight on Drivers/Tractive Effort)
Heating Ability
Tubes (number - dia) (in / mm) - 1.614" / 41
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 4.27 / 1.30
Firebox Area (sq ft / m2)23.68 / 2.20
Grate Area (sq ft / m2) 4.09 / 0.38
Evaporative Heating Surface (sq ft / m2)183 / 17
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)183 / 17
Evaporative Heating Surface/Cylinder Volume249.24
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation661
Same as above plus superheater percentage661
Same as above but substitute firebox area for grate area3827
Power L12609
Power MT

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