graduate

W-7 Class, Japanese Fast Minesweepers


Photograph of W-7 class fast minesweeper

CombinedFleet.org. Fair use may apply.


Specifications:


Tonnage 630 tons standard displacement
Dimensions
237'10" by 25'9" by 6'7"
72.49m by 7.85m by 2.01m
Maximum speed       20 knots
Complement 88
Armament 3 4.7"/45 dual-purpose guns
2 25mm/60 AA guns
Depth charges
Machinery
2-shaft geared turbine (3850 hp)
2 Kampon boilers
Range
2000 nautical miles (3200 km) at 14 knots
Modifications
1944: Minesweeping gear removed. Armament 2 4.7", 9 25mm, 36 depth charges


The W-7s were completed in 1938-1939. They could operate their boilers off either coal or fuel oil.


Units in the Pacific:

W-7

4 Surprise Attack Force     
Torpedoed 1944-4-15 off Port Blair by British submarine Storm

W-8

4 Surprise Attack Force

W-9

2 Surprise Attack Force Mined 1942-2-2 off Ambon

W-10      

2 Surprise Attack Force Sunk by aircraft 1941-12-10 off Makassar

W-11

2 Surprise Attack Force?
Sunk by aircraft 1945-3-28 off Makassar
W-12 2 Surprise Attack Force
Torpedoed 1945-4-6 off Sumbawa by Besugo


References

Jentschura, Jung, and Mickel (1977)

Worth (2001)



Valid HTML 4.01 Transitional