Data from Catalogue Descriptive of Simple and Compound Locomotives built by Brooks Locomotive Works, Dunkirk, NY (Buffalo, NY: Matthew-Northrup Company, 1899). Works number was 2783.
Builder info from B.Rumary, 25 Kingscombe, Gurney Slade, Radstock, BA3 4TH, ENGLAND and Jeremy Lambert as supplied by Allen Stanley in March 2004.
A Belpaire-boilered Ten-wheeler with cabbage stack. It was a duplicate of the Central Mexicano 4-6-0s shown in Locobase 2890.
Principal Dimensions by Steve Llanso of Middle Run Media | |
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Class | 7 |
Locobase ID | 9632 |
Railroad | Mexico, Cuernavaca & Pacific |
Country | Mexico |
Whyte | 4-6-0 |
Number in Class | 1 |
Road Numbers | 7 |
Gauge | Std |
Number Built | 1 |
Builder | Brooks |
Year | 1898 |
Valve Gear | Stephenson |
Locomotive Length and Weight | |
Driver Wheelbase (ft / m) | 11 / 3.35 |
Engine Wheelbase (ft / m) | 23.33 / 7.11 |
Ratio of driving wheelbase to overall engine wheelbase | 0.47 |
Overall Wheelbase (engine & tender) (ft / m) | 51.33 / 15.65 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
Weight on Drivers (lbs / kg) | 108,850 / 49,374 |
Engine Weight (lbs / kg) | 143,700 / 65,181 |
Tender Loaded Weight (lbs / kg) | 85,000 / 38,555 |
Total Engine and Tender Weight (lbs / kg) | 228,700 / 103,736 |
Tender Water Capacity (gals / ML) | 4500 / 17.05 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 8.50 / 8 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 60 / 30 |
Geometry Relating to Tractive Effort | |
Driver Diameter (in / mm) | 56 / 1422 |
Boiler Pressure (psi / kPa) | 180 / 1240 |
High Pressure Cylinders (dia x stroke) (in / mm) | 20" x 24" / 508x610 |
Tractive Effort (lbs / kg) | 26,229 / 11897.29 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.15 |
Heating Ability | |
Tubes (number - dia) (in / mm) | 268 - 2" / 51 |
Flues (number - dia) (in / mm) | |
Flue/Tube length (ft / m) | 11 / 3.35 |
Firebox Area (sq ft / m2) | 187.70 / 17.44 |
Grate Area (sq ft / m2) | 26.10 / 2.43 |
Evaporative Heating Surface (sq ft / m2) | 2032 / 188.85 |
Superheating Surface (sq ft / m2) | |
Combined Heating Surface (sq ft / m2) | 2032 / 188.85 |
Evaporative Heating Surface/Cylinder Volume | 232.76 |
Computations Relating to Power Output (More Information) | |
Robert LeMassena's Power Computation | 4698 |
Same as above plus superheater percentage | 4698 |
Same as above but substitute firebox area for grate area | 33,786 |
Power L1 | 5716 |
Power MT | 347.31 |