Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 41, p. 196. See also the Ligonier Valley Rail Road Association website at [], last accessed 8 March 2012. Works number was 33352 in April 1909.
The LVRR measured 16 miles from the coal fields north of Ligonier to the Pennsylvania Railroad junction at Latrobe in western Pennsylvania. According to the LVRA, "It also connected the rest of the world with Pennsylvania's Mountain Playground, Ligonier Valley in general, and Idlewild Park in particular." During the 3/4-century operating life that ended on 31 August 1952, the LVRR moved 32 million tons of freight (mostly stone, coal, and coke) and carried 9 million passengers.
The 15 served the Liggie from the time of its delivery to the end of its career, which ended in 1949.
Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volumes 41, p. 196; 51, p. 320; and 53, p. 387. Works numbers were 40944 in November 1913, 42630 in October 1915, and 43284 in May 1916.
Essentially repeating the design found in LVRR 15, the latter Consolidations found in the current entry had four arch tubes that accounted for an additional 27.2 sq ft of direct heating surface area. The valve gear is described as "Walschaerts Improved".
| Principal Dimensions by Steve Llanso of Middle Run Media | ||
|---|---|---|
| Class | 15 | 16 |
| Locobase ID | 13930 | 13931 |
| Railroad | Ligonier Valley | Ligonier Valley |
| Country | USA | USA |
| Whyte | 2-8-0 | 2-8-0 |
| Number in Class | 1 | 3 |
| Road Numbers | 15 | 16, 18-19 |
| Gauge | Std | Std |
| Number Built | 1 | 3 |
| Builder | Burnham, Williams & Co | Baldwin |
| Year | 1909 | 1913 |
| Valve Gear | Walschaert | Walschaert |
| Locomotive Length and Weight | ||
| Driver Wheelbase (ft / m) | 15.33 / 4.67 | 15.33 / 4.67 |
| Engine Wheelbase (ft / m) | 23.67 / 7.21 | 23.67 / 7.21 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.65 | 0.65 |
| Overall Wheelbase (engine & tender) (ft / m) | 56.26 / 17.53 | 56.69 / 17.28 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | ||
| Weight on Drivers (lbs / kg) | 157,000 / 68,493 | 159,000 / 72,121 |
| Engine Weight (lbs / kg) | 175,000 / 77,111 | 178,000 / 80,740 |
| Tender Loaded Weight (lbs / kg) | 126,000 / 58,967 | 126,000 / 57,153 |
| Total Engine and Tender Weight (lbs / kg) | 301,000 / 136,078 | 304,000 / 137,893 |
| Tender Water Capacity (gals / ML) | 7000 / 26.52 | 7000 / 26.52 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 14 / 13 | 12 / 11 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 65 / 32.50 | 66 / 33 |
| Geometry Relating to Tractive Effort | ||
| Driver Diameter (in / mm) | 55 / 1448 | 55 / 1397 |
| Boiler Pressure (psi / kPa) | 200 / 1380 | 200 / 1380 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 21" x 28" / 533x711 | 21" x 28" / 533x711 |
| Tractive Effort (lbs / kg) | 38,167 / 17312.28 | 38,167 / 17312.28 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.11 | 4.17 |
| Heating Ability | ||
| Tubes (number - dia) (in / mm) | 268 - 2.25" / 57 | 268 - 2.25" / 57 |
| Flues (number - dia) (in / mm) | ||
| Flue/Tube length (ft / m) | 14.50 / 4.42 | 14.50 / 4.42 |
| Firebox Area (sq ft / m2) | 173 / 16.10 | 202.20 / 18.78 |
| Grate Area (sq ft / m2) | 46.60 / 4.33 | 46.60 / 4.33 |
| Evaporative Heating Surface (sq ft / m2) | 2449 / 227.52 | 2478 / 230.21 |
| Superheating Surface (sq ft / m2) | ||
| Combined Heating Surface (sq ft / m2) | 2449 / 227.52 | 2478 / 230.21 |
| Evaporative Heating Surface/Cylinder Volume | 218.27 | 220.86 |
| Computations Relating to Power Output (More Information) | ||
| Robert LeMassena's Power Computation | 9320 | 9320 |
| Same as above plus superheater percentage | 9320 | 9320 |
| Same as above but substitute firebox area for grate area | 34,600 | 40,440 |
| Power L1 | 5415 | 5701 |
| Power MT | 304.15 | 316.19 |