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FIGHTING SHIPS OF THE WORLD
JAPAN
COASTAL FORCES
"H2" type gun boats (2-GO) (1943 - 1944)


Ships


Names Builders Commissioned Losses Transfers Discarding

魚雷艇第2号隼艇 - 魚雷艇第9号隼艇 [2-go - 9-go]

Yokosuka K K: 2-9-go 1943 - 1944: 2-9-go

3-go (1944/45), 4-go (12.1.1944), 5-go (1944/45), 7-go (1944/45), 8-go (1944/45)

none

after 8.1945: 2-go, 6-go, 9-go


Technical data


Displacement normal, t

24.7

Displacement full, t

 

Length, m

18.0

Breadth, m

4.50

Draught, m

0.93

No of shafts

2

Machinery

2 Kasei petrol engines

Power, h. p.

2100

Max speed, kts

33.5

Fuel, t

petrol

Endurance, nm(kts)140(30)
Armament

2 x 1 - 20/65 98-shiki, 2 x 1 - 7.7/80, 2 DCR (2)

Complement

8



Project history

1-go was delivered in 1940 with 2 main engines (2 x 1150 hp) and 2 cruising Alfa Romeo engines (2 x 100 hp) reaching 50 kts. Main engines power was de-rated and cruising engines removed after trials before commissioning in 1941. Armament before commissioning consisted of 1 MG and 2 TT. Had wooden hull with planning step.  First Japanese MGB.

Design of H2 type was developed on the basis of Italian-built patrol boat 1-go. Steel hull form was changed from planning step to V-shaped. Unlike a prototype, they had no auxiliary cruising engines.

Since 1945 survived boats received torpedo armament and re-rated to MTBs (Raitei).

Modernizations

1945, most survived: were armed with 1 x 1 - 25/60 96-shiki or 1 x 1 - 13.2/76, 2 - 450 TT.

Naval service

No significant events