Data from "Specification of Mogul Locomotive by the Brooks Locomotive Works", Railroad Gazette, Volume 9 (17 August 1877), p. 378.
Locobase has looked at several Brooks production list compilations and none show a locomotive with this combination of cyinder bore and stroke, driver diameter, and gauge. (Most of Brooks's 2-6-0s during this period were built for the 3-foot (914 mm) gauge and many of those used 11" x 16" cylinders..). Of Locobase 9193--Baldwin's 1875 quartet of Moguls for the Virginia & Truckee--compares most closely in boiler size and cyilnder volume to this proposal. Baldwin produced only twelve such engines during the 1870s. Baldwin's "Standard Mogul" of 1876 (Locobase 9676) had very similar dimensions as well and used 18" cylinders. Brooks cast each cylinder and half saddle in one piece, used cast steel in the firebox, driving wheel tires, wrist pins and other components. The firebox could burn either wood or bituminous coal. It sat between the second and third driving axles, which spread the wheelbase. From orders that followed this August 1877 description, it seems likely that Brooks went with trends and increased cylinder diameters by 1".
Principal Dimensions by Steve Llanso of Sweat House Media | |
---|---|
Class | unknown |
Locobase ID | 16588 |
Railroad | Brooks Locomotive Works |
Country | USA |
Whyte | 2-6-0 |
Number in Class | 1 |
Road Numbers | |
Gauge | Std |
Number Built | 1 |
Builder | Brooks |
Year | 1877 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 15 / 4.57 |
Engine Wheelbase (ft / m) | 22.50 / 6.86 |
Ratio of driving wheelbase to overall engine wheelbase | 0.67 |
Overall Wheelbase (engine & tender) (ft / m) | 46.50 / 14.10 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | 10,730 / 4867 |
Weight on Drivers (lbs / kg) | 64,500 / 29,257 |
Engine Weight (lbs / kg) | 75,000 / 34,019 |
Tender Loaded Weight (lbs / kg) | 91,300 / 41,413 |
Total Engine and Tender Weight (lbs / kg) | 166,300 / 75,432 |
Tender Water Capacity (gals / ML) | 2400 / 9.09 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 36 / 18 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 56 / 1422 |
Boiler Pressure (psi / kPa) | 165 / 11 |
High Pressure Cylinders (dia x stroke) (in / mm) | 17" x 24" / 432x610 |
Tractive Effort (lbs / kg) | 17,371 / 7879.36 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.71 |
Heating Ability | |
Tubes (number - dia) (in / mm) | 160 - 2" / 51 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 11 / 3.35 |
Firebox Area (sq ft / m2) | |
Grate Area (sq ft / m2) | 16 / 1.49 |
Evaporative Heating Surface (sq ft / m2) | |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | |
Evaporative Heating Surface/Cylinder Volume | |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 2640 |
Same as above plus superheater percentage | 2640 |
Same as above but substitute firebox area for grate area | |
Power L1 | |
Power MT |