Narwhal Class
SS.167
 

 

Boats in class  2 Units - Narwhal   Nautilus
Normal displacement surfaced  2.915t
Normal displacement submerged  4.050t
Machinery  2 + 2 x Fairbanks Morse Diesel
2 + 2 x Westinghouse electric
Maximum power Surfaced/Submerged  6.000hp/2.540hp
Speed Surfaced/Submerged  17 knots/8 knots
Armament  2 x 152mm L/53 Guns
2 x 0.3in MG
Torpedeo Tubes  6 x 533mm/24 Torpedoes
Length  113,1m
Beam  10,3m
Height  4,7m
Complement  90
Year of construction  1927-1930
Fate  Both boats were scrapped after the war.
Builder  Narwhal - Portsmouth Navy Yard
Nautilus - Mare Island Navy Yard