Data"Oesterreischen Lokomotiven fur Griechenland", Die Lokomotive, Volume 24, No 1 (January 1927) pp 1-6. Works numbers were 2456-2463 in 1895
When Turkey's Chemins de fer Orientaux opened the 500 km (310 mile) Salonika-Constantinople main line, they ordered these eight passenger Ten-wheelers. Their profile suggests the 1888 American-type Eight-wheelers shown in Locobase 21200, but stretched to take the additional axle and a somewhat larger firebox.
That their driver diameters measured just 1,650 mm (65") on a design described as intended for schnellzugdienst (express passenger service) suggests a demanding series of grades and curves.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 101 |
| Locobase ID | 21201 |
| Railroad | Oriental-Salonika a Constaninople |
| Country | Turkey |
| Whyte | 4-6-0 |
| Number in Class | 12 |
| Road Numbers | 101-112 |
| Gauge | Std |
| Number Built | 12 |
| Builder | STEG |
| Year | 1895 |
| Valve Gear | Heusinger |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 11.81 / 3.60 |
| Engine Wheelbase (ft / m) | 23.29 / 7.10 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.51 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 86,862 / 39,400 |
| Engine Weight (lbs / kg) | 124,120 / 56,300 |
| Tender Loaded Weight (lbs / kg) | 70,548 / 32,000 |
| Total Engine and Tender Weight (lbs / kg) | 194,668 / 88,300 |
| Tender Water Capacity (gals / ML) | 2640 / 10 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 6.70 / 6.10 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 48 / 24 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 65 / 1650 |
| Boiler Pressure (psi / kPa) | 166.80 / 1150 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 19.29" x 25.2" / 490x640 |
| Tractive Effort (lbs / kg) | 20,453 / 9277.34 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.25 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | |
| Grate Area (sq ft / m2) | 22.93 / 2.13 |
| Evaporative Heating Surface (sq ft / m2) | 1676 / 155.70 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1676 / 155.70 |
| Evaporative Heating Surface/Cylinder Volume | 196.62 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 3825 |
| Same as above plus superheater percentage | 3825 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |