NAVYPEDIA

Photo

K8 1920

Ships

No	Name	Yard No	Builder	Laid down	Launched	Comm	Fate
SS32	K1 (ex-Haddock)	198	Fore River, Quincy	2/1912	3.9.1913	3.1914	sold 6.1931
SS33	K2 (ex-Cachalot)	199	Fore River, Quincy	2/1912	4.10.1913	1.1914	sold 6.1931
SS34	K3 (ex-Orca)	101	Union Iron Wks, San Francisco	1/1912	14.3.1914	10.1914	sold 6.1931
SS35	K4 (ex-Walrus)	62	Moran, Seattle	1/1912	19.3.1914	10.1914	sold 6.1931
SS36	K5		Fore River, Quincy	6/1912	17.3.1914	8.1914	stricken 12.1930
SS37	K6		Fore River, Quincy	6/1912	26.3.1914	9.1914	stricken 12.1930
SS38	K7		Union Iron Wks, San Francisco	5/1912	20.6.1914	12.1914	stricken 12.1930
SS39	K8		Union Iron Wks, San Francisco	5/1912	11.7.1914	12.1914	sold 6.1931

Technical data

Displacement standard, t
Displacement normal, t	392 / 521
Length, m	46.9
Breadth, m	5.10
Draught, m	4.00
No of shafts	2
Machinery	2 NLSE diesels / 2 electric motors
Power, h. p.	950 / 680
Max speed, kts	14 / 10.5
Fuel, t	diesel oil 53
Endurance, nm(kts)	4500(10) / 120(5)
Armament	4 - 450 TT (bow, 8)
Complement	28
Diving depth operational, m	60

Standard scale images

Graphics

Project history

All boats of this class experienced considerable difficulties with their diesel engines, appeared too unreliable and not provided project specifications. Three submarines of the class failed to pass their engine tests and, even after overhaul, three of the class failed their final trials.

Modernizations

none.

Naval service

No significant events.