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C1 submarines (1928-1930)


Photo



C2 1928

Ships


Name No Yard No Builder Laid down Launched Comp Fate
C1, 9/1930- C1 Isaac Peral     SECN, Cartagena 7/1923 30/3/1927 7/1928 stricken 1/1950
C2     SECN, Cartagena 9/1923 4/3/1928 7/1928 stricken 6/1951
C3     SECN, Cartagena 5/1924 20/2/1929 5/1929 sunk 12/12/1936
C4     SECN, Cartagena 5/1924 6/7/1929 9/1929 collision 27/6/1946
C5     SECN, Cartagena 10/1924 28/10/1929 4/1930 lost 30-31/12/1936
C6     SECN, Cartagena 2/1925 26/12/1929 9/1930 scuttled 20/10/1937


Technical data


Displacement standard, t 
Displacement normal, t

915 / 1143

Length, m

75.3

Breadth, m

6.33

Draught, m

4.12

No of shafts

2

Machinery

2 Vickers diesels / 2 electric motors

Power, h. p.

2000 / 750

Max speed, kts

16.5 / 8.5

Fuel, t

diesel oil 150

Endurance, nm(kts)

6800(10) / 150(4.5)

Armament

C1, 2, 5, 6: 1 x 1 - 76/45 Vickers Mk SS, 6 - 533 TT (4 bow, 2 stern, 10)

C3, 4: 1 x 1 - 76/50 Vickers Mk TR, 6 - 533 TT (4 bow, 2 stern, 10)

Complement

40

Diving depth operational, m90


Graphics


<i>C2 </i>1928
C2 1928


Ship project history


These submarines were built according to the law from 11/1/1922, ordered 13/10/1922. The design was developed in Spain and in essence represented increased variant of B class boats. New boats differed from latter in considerably increased dimensions but kept the same on capacity batteries, that seriously limited underwater speed and endurance. Building was conducted with assistance of Vickers. Single-hulled. Maximal diving depth was 90m, actually in Civil war it did not exceed 60m.

Modernizations


1938, C4: + 2 x 1 - 13.2/76.

Naval service


C1 Isaac Peral was sunk by aircraft of Nationalists at Barcelona 9/10/1938, she was salvaged 15/11/1938 and towed to Barcelona for repair, 26/1/1939 captured there by troops of Nationalists. She was never commissioned again and used as a source of spare parts for survived sister-ships. C2 during pro-Franco mutiny in Cartagena 5/3/1939 was captured by Nationalists and 7/3/1939 withdrawn by them to Palma (Mallorca) where she was commissioned by National fleet. C3 was sunk at Malaga 12/12/1936 by torpedoes from German submarine U34. C4 during escape of Republican fleet from Cartagena 5/3/1939 left to Bizerte where two days later was interned and transferred to Nationalists 31/3/1939. C4 was lost at Cartagena 27/6/1946 as a result of collision with destroyer Lepanto during exercises. C5 in the late 1936 was lost by unknown cause off Bilbao as result of accident or was scuttled by her commander. C6 was strongly damaged by close air bombs hits at Gijon 18/10/1937 and two days later scuttled near this port. In 1948 she was raised and BU.