Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 25, p.257 in May 1903.
The Buffalo, Rochester & Pittsburgh bought one Consolidation with a Vanderbilt boiler (which featured a stayless firebox) in 1901 (See Locobases 4104 and 5257 entries for further comments on the Vanderbilt boiler.).
Locobase wonders what led the nearby South Buffalo to buy two of the same design two years later. The railway was just starting up as the line for the huge Lackawanna Steel steel plant; later owned by Bethlehem Steel, the plant grew to the third largest in the United States. One can't determine whether the oddball vessel was ever replaced, but the 6-7 had been retired by 1927.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 6 |
| Locobase ID | 12672 |
| Railroad | South Buffalo |
| Country | USA |
| Whyte | 2-8-0 |
| Number in Class | 2 |
| Road Numbers | 6-7 |
| Gauge | Std |
| Number Built | 2 |
| Builder | Burnham, Williams & Co |
| Year | 1903 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 15.08 / 4.60 |
| Engine Wheelbase (ft / m) | 23.75 / 7.24 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.63 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 157,000 / 71,214 |
| Engine Weight (lbs / kg) | 175,000 / 79,379 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 4000 / 15.15 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 65 / 32.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 56 / 1422 |
| Boiler Pressure (psi / kPa) | 200 / 1380 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 21" x 28" / 533x711 |
| Tractive Effort (lbs / kg) | 37,485 / 17002.93 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.19 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 377 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 12.04 / 3.67 |
| Firebox Area (sq ft / m2) | 135 / 12.55 |
| Grate Area (sq ft / m2) | 33 / 3.07 |
| Evaporative Heating Surface (sq ft / m2) | 2493 / 231.69 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 2493 / 231.69 |
| Evaporative Heating Surface/Cylinder Volume | 222.19 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 6600 |
| Same as above plus superheater percentage | 6600 |
| Same as above but substitute firebox area for grate area | 27,000 |
| Power L1 | 5271 |
| Power MT | 296.07 |