Torpedbåt typ spica

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12 months later another two, the Aldebaran and Altair, were destroyed in a minefield laid by the British submarine HMS Rorqual in the Gulf of Athens.

Users: Italy, Sweden, Germany.


Pictures Torpedo boats of Spica class


Specifications for Spica class

Specifications:

Spica class

specification

Type

torpedo boat

Displacement

795 tons

Displacement (full loaded)

1,020 tons

Length

273.95 ft

Beam

26.57 in

Draught

8.37 ft

Boiler

two Yarrow

Propulsion

two sets of Tosi geared steam turbines with two shafts

Power

19,000 hp

Oil

?

Speed

34 kts

Range

1,9210 nm at 15 kts

Complement

99-116

Armament:

Spica class

specification

Main Armament

three single 100-mm (3.94-in) guns

Secondary Armament

-

Anti-Aircraft

four twin and two single 20-mm AA, two single 13,2-mm (0.52-in) AA guns

Torpedo tubes

four single or two twin 450-mm (17.7-in)

Anti-Submarine

?

Mines

20 (and fiitted for high-speed minesweeping)

Aircraft

-

Service statistics:

Spica class

figures

Construction

32 ships 1933-1938 (plus 16 of 42 Ariete class build 1942-1944.

They fought with distinction despite being outmatched in many engagements by British and American forces with superior technology and air support.

After Italy’s armistice with the Allies in September 1943, surviving torpedo boats served under either the Italian Co-Belligerent Navy (supporting the Allies) or were seized by German forces.

Spica class

Spica class (32 ships)
Type: Italian torpedo boat.

The Swedes ended up designing a bespoke vessel which became the template for subsequent Swedish fast attack craft.

The hull was made of steel, unlike some other contemporary designs which used plywood. Ritningarna lades till grund för det nya svenska torpedbåtsprojektet, T 121 Spica. De modifierade fartygen fick efter ombyggnaden en ny klassbeteckning efter det först ombyggda fartyget i serien, HMS Ystad, och benämndes därefter för Ystadklass.

Manöverpaneler för KV och UK-radio. The design was dependent upon that of the Maestrale class destroyers then finishing but, though superficially equivalent in general profile, their solitary funnel didn’t have the huge trunking of that of the bigger ships, becoming it did only 1 boiler room.

History:

Like its German equivalent, the Italian navy preferred the building of tiny destroyer-type escorts, generally named torpedo boats. The Airone and Ariel were sunk together in October 1940 when, with others, they unwisely assaulted an english cruiser force covering an early Malta convoy. Fartygen byggdes helt på erfarenheterna av Spica-klassen och därför blev kallad Spica II.

Nedan namn och nybyggnads nummer för 12 enheterna:

369                1972 Torpedbåten (T 131) HMS Norrköping

370                1973 Torpedbåten (T 132) HMS Nynäshamn

371                1973 Torpedbåten (T 133) HMS Norrtälje

372                1974 Torpedbåten (T 134) HMS Varberg

373                1974 Torpedbåten (T 135) HMS Västerås

374                1974 Torpedbåten (T 136) HMS Västervik

375                1975 Torpedbåten (T 137) HMS Umeå

376                1975 Torpedbåten (T 138) HMS Piteå

377                1975 Torpedbåten (T 139) HMS Luleå

378                1975 Torpedbåten (T 140) HMS Halmstad

379                1976 Torpedbåten (T 141) HMS Strömstad

380                1976 Torpedbåten (T 142) HMS Ystad

 

Lite fartygsdata:

Deplacement                       245 ton

Längd i vattenlinjen           39,90 m

Längd överallt                    42,50 m

Bredd överallt                     7,10 m

Fart                                     mer än 40 knop

Maskinstyrka                      3 × 4 500 hk

Sjösättning av Torpedbåten T 132 HMS Nynäshamn 1973

Norrköpingsklassen var en mycket lyckad fartygsserie pga hög driftsäkerhet och goda sjöegenskaper.

Karlskronavarvet tillverkade sedan 12 st torpedbåtar av Norrköpingsklass mellan åren 1971–1976.

torpedbåt typ spica

En mängd studier och jämförelser gjordes mellan norska, engelska och tyska torpedbåtar. There were also six 57 mm (2 in) and four 103 mm (4 in) rocket launchers capable of firing chaff, infrared countermeasures and illuminating projectiles (starshell). Hydrogen-peroxide propelled, wire guided torpedoes were used.

T121 Spica ägs idag av "Stiftelsen T121 Spica - ett levande museifartyg" och sköts av medlemmarna i "Föreningen T121 Spica vänner".

Three MTU gas turbines were also installed as auxiliary generators.

Armament:
The torpedo armament consisted of six 533 mm (21 in) torpedo tubes which were positioned at an angle. HMS Norrköping och HMS Ystad avvecklades då efter mer  än 3o år i tjänst. They faced superior Allied naval and air forces, especially after 1942.

Legacy

The Italian torpedo boats, while not as well-known as larger warships, were crucial workhorses for the Regia Marina.

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