M Class
SS.205 Marlin
 

 

Boats in class  2 Units - SS.204 Mackerel   SS.205 Marlin
Normal displacement surfaced  Mackerel - 895t
Marlin - 860t
Normal displacement submerged  Mackerel - 1.190t
Marlin - 1.165t
Machinery  Mackerel - 2 x E.B. Diesel
2 x Electro Dynamic
Marlin - 2 x Alco Diesel
2 x General Electric
Maximum power Surfaced/Submerged  3.360-3.400hp/1.500hp
Speed Surfaced/Submerged  16 knots/11 knots
Armament  1 x 76mm L/50 later
1 x 127mm L/25 Gun
2 x 12,7mm MG or 20mm AA MG
Torpedeo Tubes  6 x 533mm/12 Torpedoes
Length  Mackerel - 73,9m
Marlin - 72,6m
Beam  Mackerel - 6,7m
Marlin - 6,4m
Height  Mackerel - 3,4m
Marlin - 3,3m
Complement  38
Year of construction  1939-1941
Fate  
Builder  Mackerel - Electric Boat Groton 1939-1941
Marlin - Portsmouth Navy Yard 1940-1941