Data from Locomotiva FS 510 in Wikipedia at [] (last accessed 12 December 2011) . Additional data from diagram published on DUEGI EDITRICE's TuttoTreno website [
], a modelling site with a great deal of data. (visited 11 July 2004).
This large class of Eight-wheelers was supplied by a variety of builders for a variety of lines. Ansaldo produced the greatest number of engines -- 34. The other manufacturers were:
Maffei 16, Henschel 13, Societa Sassone 9, Costruzioni Meccaniche di Saronno 9, SLM in Winterthur 8, Vulcan Foundry 3, Floridsdorf 2, and Officine ferroviarie di Torino 1. Saronno was the last to deliver engines, that event occurring in 1895.
Although relatively small, the design had passenger-sized drivers and was rated for a maximum speed of 85 km/h (52.8 mph). Some had a 15.7" (400-mm) shorter boiler and consequently larger grate, but all achieved the same power.
Data from Ugo Poddine as contributor to Bryan Attewell ([] Steam locomotive simulator (April 2000). [
] (visited 30 June 2005) describes the class as having had two simple-expansion cylinders, but the diagram does not give the cylinder diameter.
Fast express engines that pulled the Valigia delle Indie express from Bardonecchia to Brindisi in 16 hours. (Poddine notes that the boiler used Serve tubes; see entry 3051 on Nord's 1891 4-4-0s for further information..)
Principal Dimensions by Steve Llanso of Middle Run Media | ||
---|---|---|
Class | Gruppo 510 | RA 180bis/Gruppo 552 |
Locobase ID | 13538 | 3672 |
Railroad | Ferrovie dello Stato (FS) | Adriatico (FS) |
Country | Italy | Italy |
Whyte | 4-4-0 | 4-4-0 |
Number in Class | 105 | 12 |
Road Numbers | 5521-5532 | |
Gauge | Std | Std |
Number Built | 105 | 12 |
Builder | several | |
Year | 1878 | 1890 |
Valve Gear | Gooch | |
Locomotive Length and Weight | ||
Driver Wheelbase (ft / m) | 7.55 / 2.30 | 7.97 / 2.43 |
Engine Wheelbase (ft / m) | 19.69 / 6 | 21.98 / 6.70 |
Ratio of driving wheelbase to overall engine wheelbase | 0.38 | 0.36 |
Overall Wheelbase (engine & tender) (ft / m) | 39.04 / 11.90 | 44.59 / 13.59 |
Axle Loading (Maximum Weight per Axle) (lbs / kg) | 35,274 / 16,000 | 32,628 / 14,800 |
Weight on Drivers (lbs / kg) | 62,611 / 28,400 | 65,036 / 29,500 |
Engine Weight (lbs / kg) | 95,681 / 43,400 | 106,483 / 48,300 |
Tender Loaded Weight (lbs / kg) | 54,675 / 24,800 | 65,918 / 29,900 |
Total Engine and Tender Weight (lbs / kg) | 150,356 / 68,200 | 172,401 / 78,200 |
Tender Water Capacity (gals / ML) | 2165 / 8.20 | 2640 / 10 |
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 3.30 / 3 | 4.40 / 4 |
Minimum weight of rail (calculated) (lb/yd / kg/m) | 52 / 26 | 54 / 27 |
Geometry Relating to Tractive Effort | ||
Driver Diameter (in / mm) | 72 / 1830 | 75.60 / 1920 |
Boiler Pressure (psi / kPa) | 159.50 / 1100 | 174 / 1200 |
High Pressure Cylinders (dia x stroke) (in / mm) | 16.93" x 22.05" / 430x560 | 18.9" x 23.6" / 480x599 (1) |
Low Pressure Cylinders (dia x stroke) (in / mm) | 25.6" x 27.6" / 650x701 (1) | |
Tractive Effort (lbs / kg) | 11,901 / 5398.21 | 11,249 / 5102.47 |
Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.26 | 5.78 |
Heating Ability | ||
Tubes (number - dia) (in / mm) | ||
Flues (number - dia) (in / mm) | ||
Flue/Tube length (ft / m) | 10.42 / 3.18 | |
Firebox Area (sq ft / m2) | ||
Grate Area (sq ft / m2) | 23.14 / 2.15 | 24.80 / 2.30 |
Evaporative Heating Surface (sq ft / m2) | 1084 / 100.75 | 1764 / 163.94 |
Superheating Surface (sq ft / m2) | ||
Combined Heating Surface (sq ft / m2) | 1084 / 100.75 | 1764 / 163.94 |
Evaporative Heating Surface/Cylinder Volume | 188.68 | 460.38 |
Computations Relating to Power Output (More Information) | ||
Robert LeMassena's Power Computation | 3691 | 4315 |
Same as above plus superheater percentage | 3691 | 4315 |
Same as above but substitute firebox area for grate area | ||
Power L1 | ||
Power MT |