NAVYPEDIA

Photo

Eugenio di Savoia pre-war

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate
Emanuele Filiberto Duca d`Aosta			OTO, Livorno	29.10.1932	22.4.1934	13.7.1935	to Soviet Union 3.1949 (Керчь [Kerch])
Eugenio di Savoia			Ansaldo, Genoa	6.7.1933	16.3.1935	16.1.1936	to Greece 7.1951 (Έλλη [Elli])

Technical data

Displacement standard, t	Duca d`Aosta: 8317 di Savoia: 8610
Displacement full, t	Duca d`Aosta: 10374 di Savoia: 10672
Length, m	171.8 pp 186.9 oa
Breadth, m	17.5
Draught, m	6.50 mean deep
No of shafts	2
Machinery	Duca d`Aosta: 2 sets Parsons geared steam turbines, 6 Thornycroft boilers di Savoia: 2 sets Beluzzo geared steam turbines, 6 Yarrow boilers
Power, h. p.	110000
Max speed, kts	36.5
Fuel, t	oil 1653
Endurance, nm(kts)	3900(14)
Armour, mm	belt: 70 + 35, bulkheads: 50 - 30, decks: 35 - 30, barbettes: 70 - 50, turrets: 90, CT: 100 - 25, communication tube: 30 - 20
Armament	4 x 2 - 152/53 OTO 1929, 3 x 2 - 100/47 OTO 1928, 4 x 2 - 37/54 Breda 1932, 6 x 2 - 13.2/76, 2 x 3 - 533 TT, 1 catapult, 2 seaplanes (Cant.25), 2 DCT (12), 112 - 146 mines
Complement	578 - 694

Standard scale images

Graphics

Project history

The ships of the 1931-1933 programme were built on Montecuccoli design modified towards the further strengthening of protection. Increased to 1700t armour weight has gone on a thickening of a belt to 70mm, and than internal armoured bulkhead to 35mm, however horizontal protection became thicker on 5mm (35mm amidships and 30mm at shipends). As consequence, the same lack, as on predecessors, too narrow immunity zone under 152mm guns fire and absence that one from 203mm guns was generic in the new ships. Higher armour weight has led to displacement growth (approximately on 1000t). For keeping of speed at 36-37kts machinery power was raised to 110000hp. Thus in its arrangement there were some changes: on previous "Condottieri" of first three series two third of boilers (4) were placed in fore group, and third (2 boilers) in aft; accordingly the fore funnel in which there were smoke ducts of four boilers, was notably more widely, than the aft one. On 4th "Condottieri" series boilers were placed more even: on three on each funnel of the identical size. Each boiler was positioned in a separate compartment.

Both cruisers have exceeded a contract trial speed (as well as predecessors: at the displacement close to standard, and super-designed machinery power), real sea speed made nearby 34kts.

Ship protection

Main 70mm belt extended up to main deck between center of "A" and fore side "X" barbettes, 30mm longitudinal splinter bulkhead (35mm abreast magazines) placed inside hull in 2m from side. The belt was closed by 50mm upper and 30mm lower bulkheads. All side above the main belt and the platform between lower edge of the belt and longitudinal splinter bulkhead had 20mm thickness. Flat 35mm main deck connected with upper edge of main belt, main deck outside citadel had 30-mm thickness. Barbettes had 70mm protection above weather decks, 60mm between weather and main decks and 50mm below main deck. CT had 100mm sides, 30mm roof and 25mm deck, rest of tower superstructure had 50-40mm protection.

Modernizations

mid-1943, Emanuele Filiberto Duca d`Aosta: + FuMo 39 radar

8/1943, Eugenio di Savoia: + EC.3/ter radar

Autumn 1943, both: - 6 x 2 - 13.2/76; + 10 x 1 - 20/70 Oerlikon

1944, both: - 2 x 3 - 533 TT, catapult with seaplanes; + 2 x 1 - 20/70 Oerlikon

Summer 1944, Emanuele Filiberto Duca d`Aosta: - FuMo39 radar; + type 286 radar

early 1945, Emanuele Filiberto Duca d`Aosta: - type 286 radar

Naval service

Eugenio di Savoia 4.12.1942 was damaged at Naples by bombs of American aircraft and has failed till spring of 1943.