C.F. Franco Ethiopien 2-8-0 Locomotives in Ethiopia
Class Details by Steve Llanso of Sweat House Media
Class 121 (Locobase 9968)
Data from JP Crozet's Franco-Ethiopian Railway site, [
], last accessed on 21 February 2009. Works numbers were 6551-6559.
Class 131 (Locobase 9972)
Data from JP Crozet's Franco-Ethiopian Railway site, [], last accessed on 21 February 2009.
Baume-Marpent supplied the first 6 in 1930, 15 in 1937 and Haine Saint Pierre added three in 1937. Belpaire firebox. Only the first six were named: GorT, Gondar, Djidjiga, Ankobar, DirT Dawa, and Addis-Abeba.
Class 25 (Locobase 9967)
Data from JP Crozet's Franco-Ethiopian Railway site, [], last accessed on 21 February 2009. Works numbers ran 6165-6172.
Engine 25 was named Brave and 26 took the name Invincible.
Class 401 (Locobase 9973)
Data from JP Crozet's Franco-Ethiopian Railway site, [], last accessed on 21 February 2009. Works numbers were 7451-7456 in 1927, 7541-7544 in 1929, and 7726-7728 in 1937.
Belpaire firebox. The first ten had names: Choa, Godjam, Aroussis, Wello, Djimma, Tchercher, Tigre, Kaffa, Sidamo, and Harrar.
| Principal Dimensions by Steve Llanso of Middle Run Media | ||||
|---|---|---|---|---|
| Class | 121 | 131 | 25 | 401 |
| Locobase ID | 9968 | 9972 | 9967 | 9973 |
| Railroad | C.F. Franco Ethiopien | C.F. Franco Ethiopien | C.F. Franco Ethiopien | C.F. Franco Ethiopien |
| Country | Ethiopia | Ethiopia | Ethiopia | Ethiopia |
| Whyte | 2-8-0 | 2-8-0 | 2-8-0 | 2-8-0 |
| Number in Class | 8 | 24 | 8 | 13 |
| Road Numbers | 121-128 | 131-151, 232-234 | 181 / 25-32 | 401-413 |
| Gauge | 95 cm | 95 cm | 95 cm | 95 cm |
| Number Built | 8 | 24 | 8 | 13 |
| Builder | SACM | several | SACM | SACM |
| Year | 1913 | 1931 | 1913 | 1927 |
| Valve Gear | Walschaert | Walschaert | Walschaert | Walschaert |
| Locomotive Length and Weight | ||||
| Driver Wheelbase (ft / m) | 11.81 / 3.60 | 11.81 / 3.60 | 11.81 / 3.60 | |
| Engine Wheelbase (ft / m) | 21.59 / 6.58 | 21.59 / 6.58 | 18.24 / 5.56 | 21.59 / 6.58 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.55 | 0.55 | 0.55 | |
| Overall Wheelbase (engine & tender) (ft / m) | 18.24 / 5.56 | |||
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | ||||
| Weight on Drivers (lbs / kg) | 68,343 / 31,000 | 71,430 / 32,400 | 65,036 / 29,500 | 90,224 / 40,925 |
| Engine Weight (lbs / kg) | 81,571 / 37,000 | 85,098 / 38,600 | 76,170 / 34,550 | 104,223 / 47,275 |
| Tender Loaded Weight (lbs / kg) | 67,241 / 30,500 | |||
| Total Engine and Tender Weight (lbs / kg) | 152,339 / 69,100 | |||
| Tender Water Capacity (gals / ML) | 3696 / 14 | |||
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 5 / 5 | |||
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 28 / 14 | 30 / 15 | 27 / 13.50 | 38 / 19 |
| Geometry Relating to Tractive Effort | ||||
| Driver Diameter (in / mm) | 39.40 / 1000 | 39.80 / 1010 | 39.40 / 1000 | 41.30 / 1050 |
| Boiler Pressure (psi / kPa) | 169.70 / 1170 | 184.20 / 1270 | 184.20 / 1270 | 169.70 / 1170 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 15.75" x 21.65" / 400x550 | 15.75" x 21.65" / 400x550 | 16.54" x 21.65" / 420x550 (1) | 18.5" x 21.65" / 470x550 |
| Low Pressure Cylinders (dia x stroke) (in / mm) | 24.8" x 21.65" / 630x550 (1) | |||
| Tractive Effort (lbs / kg) | 19,662 / 8918.54 | 21,127 / 9583.06 | 16,290 / 7389.03 | 25,879 / 11738.53 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.48 | 3.38 | 3.99 | 3.49 |
| Heating Ability | ||||
| Tubes (number - dia) (in / mm) | 118 - 1.772" / 45 | 103 - 1.772" / 45 | 138 - 1.772" / 45 | 102 - 1.772" / 45 |
| Flues (number - dia) (in / mm) | 12 - 5.236" / 133 | 16 - 5.236" / 133 | 18 - 5.236" / 133 | |
| Flue/Tube length (ft / m) | 12.47 / 3.80 | 14.04 / 4.28 | ||
| Firebox Area (sq ft / m2) | 64.58 / 6 | 110.87 / 10.30 | ||
| Grate Area (sq ft / m2) | 16.14 / 1.50 | 16.14 / 1.50 | 19.38 / 1.80 | 20.56 / 1.91 |
| Evaporative Heating Surface (sq ft / m2) | 889 / 82.60 | 878 / 81.60 | 803 / 74.60 | 1032 / 95.90 |
| Superheating Surface (sq ft / m2) | 208 / 19.30 | 271 / 25.20 | 338 / 31.40 | |
| Combined Heating Surface (sq ft / m2) | 1097 / 101.90 | 1149 / 106.80 | 803 / 74.60 | 1370 / 127.30 |
| Evaporative Heating Surface/Cylinder Volume | 182.10 | 179.85 | 298.29 | 153.22 |
| Computations Relating to Power Output (More Information) | ||||
| Robert LeMassena's Power Computation | 2739 | 2973 | 3570 | 3489 |
| Same as above plus superheater percentage | 3259 | 3687 | 3570 | 4361 |
| Same as above but substitute firebox area for grate area | 11,896 | 23,518 | ||
| Power L1 | 2250 | 8027 | ||
| Power MT | 305.09 | 784.56 | ||