Katsonis-class submarine

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Class overview
Builders: Chantiers de la Gironde and Chantiers de la Loire shipyards[1]
Operators:  Hellenic Navy
Preceded by: Delfin class
Succeeded by: Protefs class
Built: 1925–1927[2][3]
In commission: 1927–194[1]
Completed: 2[1]
Lost: 1[1][2]
Retired: 1[1][3]
General characteristics
Displacement: surfaced: 576 tons;
submerged: 775 tons[2][3]
Length: 62.5 m[2][3]
Beam: 5.3[2][3]
Draft: 3.6 m[2][3]
Propulsion: one two-shaft Schenider-Carels diesel engine;
two electric engine motors;
1,300 bhp, 1,000 shp[1]
Speed: surfaced: 14 knots; submerged: 9.5 knots[1]
Range: 3,500 nautical miles (6,500 km) surfaced @ 10 knots (19 km/h)[1]
Endurance: 100 nautical miles (190 km) submerged @ 5 knots (9.3 km/h)[1]
Test depth: 260 ft (80 m)[1]
Complement: 30[2][3]
Armament: 2×21-inch (533 mm) internal bow T/T,
2×21-inch (533 mm) external bow T/T,
2×21-inch (533 mm) external stern T/T;
1×100 mm gun, 2 MGs[1][2][3]

The Katsonis class was a French-built class of two submarines for the Hellenic Navy, serving from 1927–28 until the Second World War. The ships of the class were the first new submarines acquired by Greece after the First World War.

Appearance and characteristics[edit]

In general, they were similar to the French Navy's Circé class submarines, but the conning tower was larger in order to accommodate the rotating platform of the 100 mm gun.[1]

Ships[edit]

Two ships were built:

References[edit]

  1. ^ a b c d e f g h i j k l m n Gardiner, Robert; Gray, Randal, eds. (1984). Conway's All the World's Fighting Ships: 1906–1922. Annapolis: Naval Institute Press. p. 405. ISBN 0-87021-907-3. OCLC 12119866. 
  2. ^ a b c d e f g h i "Katsonis Y-1 (1928–1943)". Hellenic Navy. Retrieved 4-11-2010. 
  3. ^ a b c d e f g h i "Papanikolis Y-2 (1927–1945)". Hellenic Navy. Retrieved 4-11-2010.