These saddle-tankers served Stewart and Lloyds until the end of steam at that iron-ore railway in 1969. Additional information and data from [] (15 February 2004). This site says that the design was supplied by several builders over many years and was drawn originally from a Manning Wardle locomotive.
Principal Dimensions by Steve Llanso of Middle Run Media | |
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Class | Colwyn |
Locobase ID | 4868 |
Railroad | Stewart & Lloyds |
Country | Great Britain |
Whyte | 0-6-0ST |
Number in Class | 3 |
Road Numbers | |
Gauge | Std |
Number Built | 3 |
Builder | Kitson & Co |
Year | 1933 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | |
Engine Wheelbase (ft / m) | |
Ratio of driving wheelbase to overall engine wheelbase | |
Overall Wheelbase (engine & tender) (ft / m) | |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 85,120 / 38,610 |
Engine Weight (lbs / kg) | 85,120 / 38,610 |
Tender Loaded Weight (lbs / kg) | |
Total Engine and Tender Weight (lbs / kg) | |
Tender Water Capacity (gals / ML) | 960 / 3.64 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.40 / 1 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 47 / 23.50 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 42 / 1067 |
Boiler Pressure (psi / kPa) | 160 / 1100 |
High Pressure Cylinders (dia x stroke) (in / mm) | 16" x 22" / 406x559 |
Tractive Effort (lbs / kg) | 18,237 / 8272.17 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.67 |
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) | 14 / 1.30 |
Evaporative Heating Surface (sq ft / m2) | 759 / 70.54 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 759 / 70.54 |
Evaporative Heating Surface/Cylinder Volume | 148.25 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 2240 |
Same as above plus superheater percentage | 2240 |
Same as above but substitute firebox area for grate area | |
Power L1 | |
Power MT |