Kuma Class


Line Drawing from Oi (torpedo cruiser configuration) Skywave kit instructions.


Information on this class has been compiled by Jeff Donahoo

Models of this class:

Standard Displacement: 5,580 tons
Complement: 450

Length: 532’
Beam: 46’6”
Draught: 15’9”

Armament:
7-5.5”/50cal
2-3”/40cal
8-24” torpedo tubes

Armor: 2 ½” side
1 ¼” deck

Machinery: 4 shaft Gihon turbines
Boilers: 12 Kanpon
S.H.P.: 90,000=36 knots
Oil: 1,260 tons
Radius: 9,000 miles @ 10 knots

Ships in Class:

Kiso
Meaning: River in Nagano Prefecture
Builder: Mitsubishi Zosenho, Nagasaki
Ordered: #5 chu gata junyokan (medium model cruiser)
1918 8-4 Fleet Completion Program
Laid Down: 6/10/19
Launched: 12/14/20
Completed: 5/4/21
Fate: sunk, 11/11/44
Fleet Assignments:
Sentai 21 9/41-8/44
Yokosuka Naval District 8/44-11/44
DesRon 1 11/44
Wartime Commanders:
Capt Ono Takeji 12/41-
Service Notes:
11/43 Major refit #5 and #7 5.5" removed and 2 5" added
11/11/44 sunk at 1330hrs by US naval aircraft 8 miles west of Manila
(14.35N 120.30E) . She had been evacuating Fifth Fleet staff and
even though she sank in very shallow water, causalities were high
819 dead 105 saved

Kitakami
Meaning: River in Iwate Prefecture
Builder: Sasebo Kaigun Kensho
Ordered: #3 chu gata junyokan (medium model cruiser)
1918 8-4 Fleet Completion Program
Laid Down: 9/1/19
Launched: 7/3/20
Completed: 5/4/21
Fate: scrapped, 1946
Fleet Assignments:
Sentai 9 9/41-11/42
Combined Fleet 11/42-3/43
Southwest Force 3/43-7/43
Sentai 16 7/43-11/44
Combined Fleet 11/44-4/45
DesRon 11 4/45-5/45
Sentai 31 5/45-11/45
Wartime Commanders:
Capt Norimitsu Saiji 12/41-
Service Notes:
8/25/41 Major refit converted as a torpedo cruiser
8/42 2 quad torpedo tubes removed
1/2/44 hit by 2 torpedoes from HMS Templar 12 dead repairs completed
6/21/44
8/44 converted to Kaiten carrier (4-5", 67-25mm, 8 Kaiten)
2 turbines removed (35,110hp=23 knots) completed 1/45
7/24/45 10 near misses destroyed engines 32 dead
10/46 scrapped at Mitsubishi

Kuma
Meaning: River in Kumamoto Prefecture
Builder: Sasebo Kaigun Kensho
Ordered: #1 chu gata junyokan (medium model cruiser)
1917 8-4 Fleet Completion Program
Laid Down: 8/29/18
Launched: 7/14/19
Completed: 8/31/20
Fate: sunk, 1/11/44
Fleet Assignments:
Sentai 16 4/41-1/42
3rd South Expeditionary Force 1/42-9/42
Sentai 16 9/42-1/44
Wartime Commanders:

Service Notes
10/43 Major refit #5 5.5" removed
1/11/44 sunk at 0913hrs by HMS Tally Ho (P-317)10 miles NW Penang
(06.00N 139.00E) 134 dead

Oi
Meaning: River in Shizuoka Prefecture
Builder: Kawasaki Jyuko Co., Kobe
Ordered: #4 chu gata junyokan (medium model cruiser)
1918 8-4 Fleet Completion Program
Laid Down: 11/24/19
Launched: 7/15/20
Completed: 10/3/21
Fate: sunk, 7/19/44
Fleet Assignments:
Sentai 9 9/41-11/42
Combined Fleet 11/42-3/43
Southwest Force 3/43-7/43
Sentai 16 7/43-11/44
Wartime Commanders:
Capt Narita Shigeru 12/41-
Service Notes:
8/24/41 Major refit converted to torpedo cruiser
8/42 2 quad torpedo tubes removed
7/19/44 sunk at 1406hrs by USS Flasher (SS-249) 570 miles south of
Hong Kong (12.45N 114.20E) 153 dead 368 saved

Tama
Meaning: River in southeast Tokyo
Builder: Mitsubishi Zosenho, Nagasaki
Ordered: #2 chu gata junyokan (medium model cruiser)
1917 8-4 Fleet Completion Program
Laid Down: 8/10/18
Launched: 2/10/20
Completed: 1/29/21
Fate: sunk, 10/25/44
Fleet Assignments:
Sentai 21 9/41-8/44
DesRon 11 8/44-10/44
Wartime Commanders:
Capt Kawabata Masaharu 12/41-
*Capt Yamamoto -10/44
Service Notes:
10/43 Major refit #5 and #7 5.5" removed and 2 5" added
10/25/44 2305hrs sunk by USS Jallao (SS-368) 320 miles NE Cape Engano
(21.32N 129.17E) ~450 dead 0 survivors