FS Class 735 Contents Design and construction Operations Preservation Trivia References Navigation...


Ferrovie dello Stato Italiane steam locomotives2-8-0 locomotivesALCO locomotivesMLW locomotivesRailway locomotives introduced in 1917Standard gauge locomotives of Italy1′D h2 locomotives


Ferrovie dello Stato Italiane2-8-0World War IClass 740AlcoU-boatMontreal Locomotive WorksBissel truckItalian bogieWoodrow WilsonPietrarsa railway museumVon Ryan's ExpressFrank Sinatra














FS Class 735


















Type and origin
Power type Steam
Builder


  • American Locomotive Company (115),


  • Montreal Locomotive Works (285)

Build date 1917–1922
Total produced 400














































































Specifications
Configuration:

 • UIC
1′D h2
Gauge
1,435 mm (4 ft 8 12 in) standard gauge
Leading dia. 840 mm (33.07 in)

Driver dia.
1,370 mm (53.94 in)
Length 10,595 mm (34 ft 9 18 in)
Axle load 14.8 tonnes (14.6 long tons; 16.3 short tons)
Loco weight 63.1 tonnes (62.1 long tons; 69.6 short tons)
Tender weight 50.2 tonnes (49.4 long tons; 55.3 short tons)
Fuel type Coal
Fuel capacity 6,000 kg (13,000 lb)
Water cap 22,300 litres (4,900 imp gal; 5,900 US gal)
Firebox:
 • Firegrate area
3.17 m2 (34.1 sq ft)
Boiler pressure 12 kg/cm2 (1.18 MPa; 171 psi)
Heating surface 162.07 m2 (1,744.5 sq ft)
Superheater:

 • Heating area 42.68 m2 (459.4 sq ft)
Cylinders 540 mm × 700 mm (21.26 in × 27.56 in), two
Valve gear Walschaerts














Performance figures
Maximum speed 65 km/h (40 mph)
Power output 1,080 CV (794 kW; 1,070 hp)
Tractive effort 14,700 kgf (144 kN; 32,400 lbf)






Career
Number in class 393

The Ferrovie dello Stato Italiane (FS; Italian State Railways) Class 735 (Italian: Gruppo 35) is a 2-8-0 'Consolidation' steam locomotive.




Contents






  • 1 Design and construction


  • 2 Operations


  • 3 Preservation


  • 4 Trivia


  • 5 References





Design and construction


The Class 735 was designed as a response of the situation developed during the years of World War I; the Italian railways needed more locomotives for freight trains, but there was no possibility of building them at home or in war-ravaged Europe. It was therefore decided to have them built overseas.


Using the Class 740 design as a pattern (but allowing for alterations in order to avoid delays in the production),[1] an order for 105 (later raised to 115) locomotives was given to Alco in 1916, and the following year they were completed, disassembled and sent by cargo ship to Italy (with only 108 reaching Italy, however, as a U-boat sank the ship carrying the remaining seven). A subsequent order for another 285 locomotives, with some minor improvements in the boiler, was given in 1918 to the Montreal Locomotive Works.


Their American origin showed in their being fitted with a Bissel truck instead of the Italian bogie widespread in Italy, and with the locomotives of the first batch having fireboxes made of steel rather than copper.



Operations


Nicknamed "Wilson" (in honour of US president Woodrow Wilson) throughout their career, the Class 735 locomotives proved very successful; they were considered by engineers to be somewhat more powerful than the 740 Class, although their consumes were accordingly higher. Pulling mainly freight trains but often also passenger trains, they operated until the 1960s, when mass withdrawals of the Class began, until the last one was retired in 1971.[1]



Preservation


Two Class 735 locomotives survived into preservation, 735.128, preserved as a static exhibit at the Pietrarsa railway museum, and 735.155, in possession of the Museo Ferroviario Piemontese, awaiting restoration.



Trivia






One Class 735 locomotive prominently appeared in the 1965 film Von Ryan's Express, starring Frank Sinatra.



References









  1. ^ ab Kalla-Bishop 1986, p. 67.



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  • Kalla-Bishop, P.M. (1986). Italian state railways steam locomotives : together with low-voltage direct current and three-phase motive power. Abingdon: Tourret. ISBN 0905878035..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"""""""'""'"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}









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