Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 54, p. 230 and 232; Vol 63, pp. 282+; Vol 78, pp. 119+.. Works numbers were 41825 in December 1914 and 43395-43396 in May 1916, 48950 in June 1918, 55035 in September 1921, and 58591-58592 in August 1925.
Tiny by all measures, the Partenope was even so an enlargement of the first two outside-frame, wood-burning plantation Moguls delivered in 1906 (Locobase 14770) for this Porcella, Vicini & Companies sugar road. Tightest curve radius was 100 feet (30.5 metres). Like all of Santiago Porcella's locomotives, these engines bore Italian place names. After Partenope in 1914 came two islands--Sicilia and Sardena- in 1916, and Verona in 1918.
For some reason, but not unusually, the Verona weighed more than her essentially identical older sisters. Adhesion weight rose to 23,000 lb (10,433 kg) and engine weight climbed to 27,000 lb (12,447 kg). The second #1--Italia-was produced in November 1921, and the Fiume and the Padova arrived in 1925; these were still heavier at 25,000 lb (11,340 kg) adhesion and 28,000 lb (12,700 kg) for the engine.
All were fitted with broad stacks, the earlier engines sporting the funnel-shaped Radley & Hunter and the 1921 and 1925 locomotives using the Rushton Improved cabbage stack.
Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 28, p. 298. Works numbers were 28645-28646 in July 1906.
These were the first two outside-frame, wood-burning plantation Moguls delivered to the Porcella, Vicini & Company's Ingenio Italia. They were by any measure tiny locomotives named, as were all of Porcella's engines, for Italian places (in this case, two provinces).
NB: Locobase estimates the firebox heating surface by comparing the dimensions of the two very similar engines bought for the Ingenio Italia. The later ones were larger in most dimensions (Locobasd 14489), but had the same cylinder volume and driver diameters.
Principal Dimensions by Steve Llanso of Middle Run Media | ||
---|---|---|
Class | Partenope | Piemonte |
Locobase ID | 14489 | 14770 |
Railroad | Central Italia | Central Italia |
Country | Dominican Republic | Dominican Republic |
Whyte | 2-6-0 | 2-6-0 |
Number in Class | 7 | 2 |
Road Numbers | 6-9, 1, 10-11 | |
Gauge | 60 cm | 60 cm |
Number Built | 7 | 2 |
Builder | Baldwin | Baldwin |
Year | 1914 | 1906 |
Valve Gear | Stephenson | Stephenson |
Locomotive Length and Weight | ||
Driver Wheelbase (ft / m) | 6.25 / 1.90 | 5.58 / 1.70 |
Engine Wheelbase (ft / m) | 11.83 / 3.61 | 10.75 / 3.28 |
Ratio of driving wheelbase to overall engine wheelbase | 0.53 | 0.52 |
Overall Wheelbase (engine & tender) (ft / m) | 30.46 / 9.28 | |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | ||
Weight on Drivers (lbs / kg) | 20,000 / 9072 | 16,500 / 7484 |
Engine Weight (lbs / kg) | 23,000 / 10,433 | 19,000 / 8618 |
Tender Loaded Weight (lbs / kg) | 20,000 / 9072 | 10,000 / 4536 |
Total Engine and Tender Weight (lbs / kg) | 43,000 / 19,505 | 29,000 / 13,154 |
Tender Water Capacity (gals / ML) | 1000 / 3.79 | 600 / 2.27 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | ||
Minimum weight of rail (calculated) (lb/yd / kg/m) | 11 / 5.50 | 9 / 4.50 |
Geometry Relating to Tractive Effort | ||
Driver Diameter (in / mm) | 30 / 762 | 30 / 762 |
Boiler Pressure (psi / kPa) | 160 / 1100 | 150 / 1030 |
High Pressure Cylinders (dia x stroke) (in / mm) | 8" x 14" / 203x356 | 8" x 14" / 203x356 |
Tractive Effort (lbs / kg) | 4062 / 1842.49 | 3808 / 1727.28 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.92 | 4.33 |
Heating Ability | ||
Tubes (number - dia) (in / mm) | 40 - 1.75" / 44 | 40 - 1.75" / 44 |
Flues (number - dia) (in / mm) | ||
Flue/Tube length (ft / m) | 9.83 / 3 | 8.75 / 2.67 |
Firebox Area (sq ft / m2) | 26.60 / 2.47 | 22.95 / 2.13 |
Grate Area (sq ft / m2) | 5.75 / 0.53 | 5.50 / 0.51 |
Evaporative Heating Surface (sq ft / m2) | 206 / 19.14 | 181 / 16.82 |
Superheating Surface (sq ft / m2) | ||
Combined Heating Surface (sq ft / m2) | 206 / 19.14 | 181 / 16.82 |
Evaporative Heating Surface/Cylinder Volume | 252.92 | 222.23 |
Computations Relating to Power Output (More Information) | ||
Robert LeMassena's Power Computation | 920 | 825 |
Same as above plus superheater percentage | 920 | 825 |
Same as above but substitute firebox area for grate area | 4256 | 3443 |
Power L1 | 3330 | 2723 |
Power MT | 1101.21 | 1091.49 |