Data from "Logging Locomotives", Record of Recent Construction #96 (Baldwin Locomotive Works, 1918), p. 28-29. See also DeGolyer, Volume 62, pp. 335+. See also "A Graphic Story of the Frost-Trigg Interests in Louisiana, Arkansas and Texas", American Lumberman, March 30, 1907. Chicago: American Lumberman, 1907. pp. 51-114, in the Texas Transportation Archive at [], last accessed 8 July 2021.Works number was 51922 in June 1919.
This locomotive was essentially identical to the East Oregon locomotive shown in Locobase 11014, but went to work on the Louisiana & Pine Bluff Railway, a Frost-Johnson subsidiary. The L&PB connected the Frost-Johnson's Union Sawmill plant at Huttig, Ark with the Missouri Pacific, a distance of 1.9 miles (3 km), at its Dollar Junction, Ark.
Principal Dimensions by Steve Llanso of Middle Run Media | |
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Class | 11 |
Locobase ID | 11015 |
Railroad | Louisiana & Pine Bluff |
Country | USA |
Whyte | 2-8-2 |
Number in Class | 1 |
Road Numbers | 11 |
Gauge | Std |
Number Built | 1 |
Builder | Baldwin |
Year | 1919 |
Valve Gear | Walschaert |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 12.08 / 3.68 |
Engine Wheelbase (ft / m) | 27.25 / 8.31 |
Ratio of driving wheelbase to overall engine wheelbase | 0.44 |
Overall Wheelbase (engine & tender) (ft / m) | 51.96 / 15.84 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 113,050 / 51,279 |
Engine Weight (lbs / kg) | 143,400 / 65,045 |
Tender Loaded Weight (lbs / kg) | 90,000 / 40,823 |
Total Engine and Tender Weight (lbs / kg) | 233,400 / 105,868 |
Tender Water Capacity (gals / ML) | 4500 / 17.05 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 2000 / 7570 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 47 / 23.50 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 44 / 1118 |
Boiler Pressure (psi / kPa) | 180 / 1240 |
High Pressure Cylinders (dia x stroke) (in / mm) | 18" x 24" / 457x610 |
Tractive Effort (lbs / kg) | 27,039 / 12264.70 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.18 |
Heating Ability | |
Tubes (number - dia) (in / mm) | 291 - 2" / 51 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 13 / 3.96 |
Firebox Area (sq ft / m2) | 143 / 13.29 |
Grate Area (sq ft / m2) | 25.50 / 2.37 |
Evaporative Heating Surface (sq ft / m2) | 2111 / 196.19 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 2111 / 196.19 |
Evaporative Heating Surface/Cylinder Volume | 298.59 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 4590 |
Same as above plus superheater percentage | 4590 |
Same as above but substitute firebox area for grate area | 25,740 |
Power L1 | 5276 |
Power MT | 411.56 |