Graysonia, Nashville & Ashdown 2-6-0 "Mogul" Locomotives in the USA
Class Details by Steve Llanso of Sweat House Media
Class 26 (Locobase 15341)
Data from DeGolyer, Volume 77, pp. 790+. See also Locobase 6636 for a history of predecessor Memphis, Paris & Gulf and of the GN&A itself and "Graysonia, Nashville & Ashdown Railroad", in Richard Parks "Passenger Railroad Index -1930's-1940's" website at [
]. Works number was 59532 in September 1926.
Principal Dimensions by Steve Llanso of Sweat House Media | |
|---|---|
| Class | 26 |
| Locobase ID | 15341 |
| Railroad | Graysonia, Nashville & Ashdown |
| Country | USA |
| Whyte | 2-6-0 |
| Number in Class | 1 |
| Road Numbers | 26 |
| Gauge | Std |
| Number Built | 1 |
| Builder | Baldwin |
| Year | 1920 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 12 / 3.66 |
| Engine Wheelbase (ft / m) | 20.25 / 6.17 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.59 |
| Overall Wheelbase (engine & tender) (ft / m) | 49.40 / 15.06 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 105,000 / 47,627 |
| Engine Weight (lbs / kg) | 123,000 / 55,792 |
| Tender Loaded Weight (lbs / kg) | 100,000 / 45,359 |
| Total Engine and Tender Weight (lbs / kg) | 223,000 / 101,151 |
| Tender Water Capacity (gals / ML) | 5000 / 18.94 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 8 / 7 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 58 / 29 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 54 / 1372 |
| Boiler Pressure (psi / kPa) | 180 / 12.40 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 19" x 24" / 483x610 |
| Tractive Effort (lbs / kg) | 24,548 / 11134.80 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.28 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 244 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 11.75 / 3.58 |
| Firebox Area (sq ft / m2) | 132 / 12.26 |
| Grate Area (sq ft / m2) | 26 / 2.42 |
| Evaporative Heating Surface (sq ft / m2) | 1622 / 150.69 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1622 / 150.69 |
| Evaporative Heating Surface/Cylinder Volume | 205.84 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 4680 |
| Same as above plus superheater percentage | 4680 |
| Same as above but substitute firebox area for grate area | 23,760 |
| Power L1 | 4691 |
| Power MT | 295.48 |