FS Class 410 were
0-8-0 steam locomotives which the
Italian State Railways
Ferrovie dello Stato Italiane S.p.A. ( "Italian Railways of the State"; previously only Ferrovie dello Stato, hence the abbreviation FS) is Italy's national state-owned railway holding company that manages transport, infrastructure, real estat ...
(FS) acquired from
Rete Sicula (the Sicilian Network) on
nationalization in 1906.
History
The class was designed by the Sicula Network Research Office led by engineer
Guglielmo Cappa as part of a renewal and unification programme to replace obsolete rolling stock inherited from the previous management. It was designated as a group F, according to the custom that was then to define with letters the group of locomotives according to their function, and numbered from 301 to 325. When they passed to FS, they were registered as Class 420. They had some technical differences from other FS 0-8-0 locomotives, notably the use of
Walschaerts valve gear
The Walschaerts valve gear is a type of valve gear used to regulate the flow of steam to the pistons in steam locomotives, invented by Belgian railway engineer Egide Walschaerts in 1844.
The gear is sometimes named without the final "s", since it ...
instead of
Stephenson.
They were built in three batches and there were some detail differences between batches. The first unit was ordered from
Breda in
Milan
Milan ( , , Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4 million, while its metropolitan city h ...
and delivered in 1892 and a further 21 units came from
Ansaldo's Sampierdarena
Sampierdarena (also San Pier d'Arena; Ligurian: San Pè d'ænn-a) is a major port and industrial area of Genoa, in northwest Italy. With San Teodoro it forms the West Central (Centro Ovest) ''municipio''.
Geography
Sampierdarena lies on t ...
factory between 1893 and 1894. Finally in 1903 another batch of 3 locomotives was built and delivered by
Officine Meccaniche
Officine Meccaniche or OM was an Italian car and truck manufacturing company. It was founded in 1899 in Milan as Società Anonima Officine Meccaniche to manufacture railway rolling stock and car production began in 1918. It disappeared as s ...
of Milan. In 1906 the transfer to FS occurred, and the locomotives received the new four-digit markings 4101-4125 which later became 410.001-025. The locomotives spent their working lives on the island of
Sicily
(man) it, Siciliana (woman)
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.
Features
The Class 410 locomotives, with a power output of , were versatile machines and designed for every type of use, although the small wheels (diameter ) limited the speed to . They were built for
saturated steam
Steam is a substance containing water in the gas phase, and sometimes also an aerosol of liquid water droplets, or air. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporization ...
and
simple expansion with 2 outside cylinders. Steam distribution was by
slide valves with
Walschaerts valve gear
The Walschaerts valve gear is a type of valve gear used to regulate the flow of steam to the pistons in steam locomotives, invented by Belgian railway engineer Egide Walschaerts in 1844.
The gear is sometimes named without the final "s", since it ...
.
References
Further reading
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*
{{FS locos
0-8-0 locomotives
410
__NOTOC__
Year 410 ( CDX) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year after the Consulship of Honorius and Theodosius (or, less frequently, year 11 ...
Railway locomotives introduced in 1892
Standard gauge locomotives of Italy
Gio. Ansaldo & C. locomotives
Freight locomotives