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 .
Quick Facts Class overview, General characteristics ...
Class overview
Name Katsonis class
Builders
Chantiers de la Gironde shipyard
Chantiers de la Loire shipyard[ 1]
Operators Hellenic Navy
Preceded by Delfin class
Succeeded by Protefs class
Built 1925–1927[ 2] [ 3]
In commission 1927–1945[ 1]
Completed 2[ 1]
Lost 1[ 1] [ 2]
Retired 1[ 1] [ 3]
General characteristics
Type Submarine
Displacement
surfaced: 576 tons;
submerged: 775 tons[ 2] [ 3]
Length 62.5 m (205 ft)[ 2] [ 3]
Beam 5.3 m (17 ft)[ 2] [ 3]
Draft 3.6 m (12 ft)[ 2] [ 3]
Propulsion
one two-shaft Schneider-Carels diesel engine;
two electric engine motors;
1,300 bhp , 1,000 shp [ 1]
Speed
surfaced: 14 kn (26 km/h; 16 mph)
submerged: 9.5 kn (17.6 km/h; 10.9 mph)[ 1]
Range 3,500 nmi (6,500 km; 4,000 mi) surfaced @ 10 kn (19 km/h; 12 mph)[ 1]
Endurance 100 nmi (190 km; 120 mi) submerged @ 5 kn (9.3 km/h; 5.8 mph)[ 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]
Close
Painting of guns on board the Greek submarine, Papanicolis, in Beirut, Syria in 1942