Gates Lumber Company 2-6-2 "Prairie" Locomotives in the USA
Class Details by Steve Llanso of Sweat House Media
Class 7 (Locobase 13719)
Data from DeGolyer, Volume 36, p. 150. See also The Encyclopedia of Arkansas History and Culture entry on the timber industry at [
], last accessed 13 January 2012. Works number was 36043 in February 1911.
Locobase cannot establish what the "W & SV" that was to be lettered on the tender might actually have been. Gates Lumber Company was headquartered in Wilmar, Ark. The little logging Prairie in this entry - a standard type sold by Baldwin all over the South and West - wound up working for Crossett Lumber.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 7 |
| Locobase ID | 13719 |
| Railroad | Gates Lumber Company (W & SV) |
| Country | USA |
| Whyte | 2-6-2 |
| Number in Class | 1 |
| Road Numbers | 7 |
| Gauge | Std |
| Number Built | 1 |
| Builder | Baldwin |
| Year | 1911 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 9.17 / 2.80 |
| Engine Wheelbase (ft / m) | 23.75 / 7.24 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.39 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 62,000 / 28,123 |
| Engine Weight (lbs / kg) | 84,000 / 38,102 |
| Tender Loaded Weight (lbs / kg) | 60,000 / 27,216 |
| Total Engine and Tender Weight (lbs / kg) | 144,000 / 65,318 |
| Tender Water Capacity (gals / ML) | 3000 / 11.36 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 6 / 6 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 34 / 17 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 46 / 1168 |
| Boiler Pressure (psi / kPa) | 180 / 1240 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 15" x 20" / 381x508 |
| Tractive Effort (lbs / kg) | 14,967 / 6788.93 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.14 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 147 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 11.87 / 3.62 |
| Firebox Area (sq ft / m2) | 82 / 7.62 |
| Grate Area (sq ft / m2) | 14.10 / 1.31 |
| Evaporative Heating Surface (sq ft / m2) | 990 / 91.97 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 990 / 91.97 |
| Evaporative Heating Surface/Cylinder Volume | 242.05 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2538 |
| Same as above plus superheater percentage | 2538 |
| Same as above but substitute firebox area for grate area | 14,760 |
| Power L1 | 4724 |
| Power MT | 503.93 |