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TORPEDO SHIPS
PEGASO torpedo boats / destroyer escorts (1938)


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Pegaso 1942

Ships


Name No Yard No Builder Laid down Launched Comp Fate
Pegaso PG   BSN, Napoli 2.1936 8.12.1936 3.1938 scuttled 11.9.1943
Procione PR   BSN, Napoli 2.1936 31.1.1937 3.1938 scuttled 9.9.1943
Orione ON, 1953- F559   CNR, Palermo 4.1936 21.4.1937 3.1938 discarded 1.1965
Orsa OS, 1953- F558   CNR, Palermo 4.1936 21.3.1937 3.1938 discarded 7.1964


Technical data


Displacement standard, t

1000
Displacement full, t

1575
Length, m

82.5 pp 89.3 oa
Breadth, m

9.69
Draught, m

3.74 full load
No of shafts

2
Machinery

2 sets Tosi geared steam turbines, 2 3-drum boilers
Power, h. p.

16000
Max speed, kts

28
Fuel, t

oil 520
Endurance, nm(kts)5100(14)
Armament

2 x 1 - 100/47 OTO 1937, 3 x 2 - 13.2/76, 2 x 1 - 13.2/76, 2 x 2 - 450 TT, 6 DCT
Electronic equipmenthydrophone
Complement

154 - 168


Graphics


<i>Orsa</i> 1952  
Orsa 1952  
<i>Pegaso</i> 1942
Pegaso 1942


Project history

Escorts created on the basis of the project of Spica class torpedo boat. At the expense of some jumboizing and decrease of machinery power the fuel stowage was increased more than in 2.5 times; that has ensured endurance higher, than at destroyers. The artillery was shrank to two 100mm guns, but anti-submarine armament was increased to 6 DCTs, and DC stowage was considerably increased.

Though a designed speed in comparison with a prototype has decreased on 6kts, in the high sea Pegaso practically did not yield to Spica class torpedo boats and easily made 27kts.

In 1938, soon after commission, ships were re-rated from escort vessels to torpedo boats. Orione was rebuilt to fast corvette in 1953-1954 and Orsa in 1954-1955.

Modernizations

1940 - 1941, all: - 3 x 2 - 13.2/76, 2 x 1 - 13.2/76; + 4 x 2 - 20/65 Breda 1935

1942 - 1943, all: + 3 x 1 - 20/70 Scotti-Isotta Fraschini 1939

1954, Orione; 1955, Orsa: - 1 x 1 - 100/47, 4 x 2 - 20/65, 3 x 1 - 20/70, 2 x 2 - 450 TT, 4 DCT; + 4 x 1 - 40/60 Mk 3, 1 x 24 - 178 Hedgehog Mk 10 ASWRL, 20 mines, radars, sonar

1958, Orione, Orsa: - 1 x 1 - 100/47; + 2 x 1 - 40/60 Mk 3

Naval service

Procione and Pegaso were scuttled by crews to avoid capture by German troops: former 9.9.1943 at La Spezia, and latter 11.9.1943 at Majorca.