Data from "Eight-Coupled Mineral Tank, Caledonian Ry," The Locomotive Magazine, Vol X (12 March 1904), p. 47.
Data from "Eight-Coupled Mineral Engine, Caledonian Railway", Locomotive Magazine, Volume VI (October 1901), p. 163. See also [], last accessed 28 July 2011; "Eight-coupled Mineral Engine: Caledonian Railway", Railway Engineer, Volume 22, No 9 (September 1901), p. 261; Charles Rous-Marten, "European Railway Jottings", Railway and Locomotive Engineering, Volume , No 11 (November 1901), p. 470.
Principal Dimensions by Steve Llanso of Sweat House Media | ||
---|---|---|
Class | 492 / 4F | 600 / 4F |
Locobase ID | 10446 | 10206 |
Railroad | Caledonian | Caledonian |
Country | Great Britain | Great Britain |
Whyte | 0-8-0T | 0-8-0 |
Number in Class | 6 | 8 |
Road Numbers | 492-497 | |
Gauge | Std | Std |
Number Built | 6 | 8 |
Builder | St Rollox | |
Year | 1903 | 1901 |
Valve Gear | Stephenson | Stephenson |
Locomotive Length and Weight | ||
Driver Wheelbase (ft / m) | 19 / 5.79 | 22.25 / 6.78 |
Engine Wheelbase (ft / m) | 19 / 5.79 | 22.25 / 6.78 |
Ratio of driving wheelbase to overall engine wheelbase | 1 | 1 |
Overall Wheelbase (engine & tender) (ft / m) | 19 / 5.79 | 44.69 / 13.62 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | 40,544 / 18,390 | |
Weight on Drivers (lbs / kg) | 140,000 / 63,503 | |
Engine Weight (lbs / kg) | 140,000 / 63,503 | |
Tender Loaded Weight (lbs / kg) | 89,600 / 40,642 | |
Total Engine and Tender Weight (lbs / kg) | 229,600 / 104,145 | |
Tender Water Capacity (gals / ML) | 1800 / 6.82 | 4230 / 16.02 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 3.30 / 3 | 6.60 / 6 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 58 / 29 | |
Geometry Relating to Tractive Effort | ||
Driver Diameter (in / mm) | 54 / 1372 | 54 / 1372 |
Boiler Pressure (psi / kPa) | 175 / 12.10 | 180 / 12.40 |
High Pressure Cylinders (dia x stroke) (in / mm) | 19" x 26" / 483x660 | 21" x 26" / 533x660 |
Tractive Effort (lbs / kg) | 25,855 / 11727.64 | 32,487 / 14735.87 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.31 | |
Heating Ability | ||
Tubes (number - dia) (in / mm) | 275 - 1.75" / 44 | |
Flues (number - dia) (in / mm) | ||
Flue/Tube length (ft / m) | 18.75 / 5.71 | |
Firebox Area (sq ft / m2) | 139 / 12.91 | |
Grate Area (sq ft / m2) | 19 / 1.77 | 23 / 2.14 |
Evaporative Heating Surface (sq ft / m2) | 1190 / 110.59 | 2500 / 232.26 |
Superheating Surface (sq ft / m2) | ||
Combined Heating Surface (sq ft / m2) | 1190 / 110.59 | 2500 / 232.26 |
Evaporative Heating Surface/Cylinder Volume | 139.47 | 239.86 |
Computations Relating to Power Output (More Information) | ||
Robert LeMassena's Power Computation | 3325 | 4140 |
Same as above plus superheater percentage | 3325 | 4140 |
Same as above but substitute firebox area for grate area | 25,020 | |
Power L1 | 4966 | |
Power MT | 312.80 |