Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 31, p. 61. Works numbers were 31991-31994 in October 1907.
The most common grade slope, according to the specs, was 1.5% running up to a single kilometer (0.6 mile) with "short parts" reaching 2.5%. Minimum curve radius was 150 metres (492 ft) or about 7 1/2 degrees.
Little Moguls that were smaller than earlier Baldwin engines. The other three locomotives were named Assahyteva, Tomboteva, and Tracvateva.
Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 27, p. 155. Works number was 24811 in November 1904 and 27132 in December 1905.
Although small by North American standards, the 14 and its companion the Augusto Montenegro had good-sized boilers for metre-gauge Prairies.
Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 49, p. 149. Works number was 40373 in August 1913.
The Bragan had bought two sizes of Baldwin Prairies through Amsinck. The Rio Branco joined the pair of larger 2-6-2s bought in 1904, all three of which sported relatively tall drivers for the gauge. This engine put three more tons on the drivers. Tweaking the design after delivery included making the back driving springs stronger. An item concerning counterbalancing the driving axle cranks inspired a cautious reply: "Raise question before applying" this remedy, most likely because such an intervention was rife for the potential to have unintended consequences.
Principal Dimensions by Steve Llanso of Middle Run Media | |||
---|---|---|---|
Class | Ananindeva | Antonio Lemos | Rio Branco |
Locobase ID | 13195 | 12726 | 14208 |
Railroad | EF de Braganta | EF de Braganta | EF de Braganta |
Country | Brazil | Brazil | Brazil |
Whyte | 2-6-2 | 2-6-2 | 2-6-2 |
Number in Class | 4 | 2 | 1 |
Road Numbers | 17-20 | 14-15 | 23 |
Gauge | Metre | Metre | Metre |
Number Built | 4 | 2 | 1 |
Builder | Burnham, Williams & Co | Burnham, Williams & Co | Baldwin |
Year | 1907 | 1904 | 1913 |
Valve Gear | Stephenson | Stephenson | Stephenson |
Locomotive Length and Weight | |||
Driver Wheelbase (ft / m) | 8.83 / 2.69 | 9.33 / 2.84 | 9.33 / 2.84 |
Engine Wheelbase (ft / m) | 22.67 / 6.91 | 24.08 / 7.34 | 24.08 / 7.34 |
Ratio of driving wheelbase to overall engine wheelbase | 0.39 | 0.39 | 0.39 |
Overall Wheelbase (engine & tender) (ft / m) | 44 / 13.41 | 44.21 / 13.48 | |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | |||
Weight on Drivers (lbs / kg) | 49,000 / 22,226 | 55,000 / 24,948 | 61,000 / 27,669 |
Engine Weight (lbs / kg) | 64,000 / 29,030 | 75,000 / 34,019 | 82,000 / 37,195 |
Tender Loaded Weight (lbs / kg) | 40,000 / 18,144 | 34,000 / 15,422 | 52,000 / 23,587 |
Total Engine and Tender Weight (lbs / kg) | 104,000 / 47,174 | 109,000 / 49,441 | 134,000 / 60,782 |
Tender Water Capacity (gals / ML) | 2000 / 7.58 | 2600 / 9.85 | 2600 / 9.85 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 5 / 5 | 5 / 5 | |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 27 / 13.50 | 31 / 15.50 | 34 / 17 |
Geometry Relating to Tractive Effort | |||
Driver Diameter (in / mm) | 42 / 1067 | 49 / 1245 | 49 / 1245 |
Boiler Pressure (psi / kPa) | 170 / 1170 | 180 / 1240 | 180 / 1240 |
High Pressure Cylinders (dia x stroke) (in / mm) | 14" x 18" / 356x457 | 15" x 18" / 381x457 | 15" x 18" / 381x457 |
Tractive Effort (lbs / kg) | 12,138 / 5505.71 | 12,646 / 5736.14 | 12,646 / 5736.14 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.04 | 4.35 | 4.82 |
Heating Ability | |||
Tubes (number - dia) (in / mm) | 90 - 2" / 51 | 140 - 2" / 51 | 140 - 2" / 51 |
Flues (number - dia) (in / mm) | |||
Flue/Tube length (ft / m) | 13 / 3.96 | 13.83 / 4.22 | 13.83 / 4.22 |
Firebox Area (sq ft / m2) | 53 / 4.93 | 76 / 7.06 | 76 / 7.06 |
Grate Area (sq ft / m2) | 12 / 1.12 | 16.80 / 1.56 | 16.80 / 1.56 |
Evaporative Heating Surface (sq ft / m2) | 661 / 61.43 | 1084 / 100.74 | 1084 / 100.71 |
Superheating Surface (sq ft / m2) | |||
Combined Heating Surface (sq ft / m2) | 661 / 61.43 | 1084 / 100.74 | 1084 / 100.71 |
Evaporative Heating Surface/Cylinder Volume | 206.11 | 294.44 | 294.44 |
Computations Relating to Power Output (More Information) | |||
Robert LeMassena's Power Computation | 2040 | 3024 | 3024 |
Same as above plus superheater percentage | 2040 | 3024 | 3024 |
Same as above but substitute firebox area for grate area | 9010 | 13,680 | 13,680 |
Power L1 | 3436 | 5846 | 5846 |
Power MT | 463.78 | 702.99 | 633.85 |