Data is from "Narrow Gauge Ten-Wheel Passenger Locomotives," The Locomotive Magazine, Vol XIV (14 March 1908), p. 63. See also Dr. R. Sanzin, "Die Lokomotiven auf der Intertionalen Austellung in Mailand 1906, 46. 3/5 gekuppelte Schlepptenderlokommotive von 1050 mm Spurweite ...", Zeitschrift des Oesterreichischen Ingenieur- und Architeckten-Vereines Nr. 14 (5 April 1907), p. 250.
Surprisingly powerful locomotives for the near Cape gauge, these engines were nevertheless a bit short of boiler for the cylinders they wielded.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | B1 |
| Locobase ID | 10646 |
| Railroad | Algerian State |
| Country | Algeria |
| Whyte | 4-6-0 |
| Number in Class | 12 |
| Road Numbers | B1-B12 |
| Gauge | 105 cm |
| Number Built | 12 |
| Builder | SACM |
| Year | 1906 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 11.15 / 3.40 |
| Engine Wheelbase (ft / m) | 21.49 / 6.55 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.52 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 55,997 / 25,400 |
| Engine Weight (lbs / kg) | 76,721 / 34,800 |
| Tender Loaded Weight (lbs / kg) | 38,085 / 17,275 |
| Total Engine and Tender Weight (lbs / kg) | 114,806 / 52,075 |
| Tender Water Capacity (gals / ML) | 1980 / 7.50 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 2.80 / 3 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 31 / 15.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 31.50 / 800 |
| Boiler Pressure (psi / kPa) | 169.70 / 1170 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 15.75" x 22.05" / 400x560 |
| Tractive Effort (lbs / kg) | 25,047 / 11361.14 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 2.24 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 130 - 1.614" / 41 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 12.30 / 3.75 |
| Firebox Area (sq ft / m2) | 87.73 / 8.15 |
| Grate Area (sq ft / m2) | 15.82 / 1.47 |
| Evaporative Heating Surface (sq ft / m2) | 742 / 68.95 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 742 / 68.95 |
| Evaporative Heating Surface/Cylinder Volume | 149.23 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2685 |
| Same as above plus superheater percentage | 2685 |
| Same as above but substitute firebox area for grate area | 14,888 |
| Power L1 | 2116 |
| Power MT | 249.92 |