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Naval aviation and armaments

 

Japan - naval aviation and armaments

JAPAN - ANTI-SUBMARINE WEAPONS

depth charges

Type

Year

Mass, kg

Type and mass of explosive, kg

Sinking speed, m/s

Maximal depth setting, m

Type of piston

88-shiki 1930   picric acid - 100   45 hydrostatic
91-shiki 1-gata 1935   88-shiki - 100   50 hydrostatic
95-shiki 1940   88-shiki - 100   60 time-fused
95-shiki A1-gata 1941   97-shiki or 98-shiki - 147   90 time-fused
95-shiki B-gata 1942   1-shiki - 110   90 time-fused
2-shiki 1943   88-shiki - 105   145 time-fused
2-shiki A-gata 1944   97-shiki or 98-shiki - 162   145 time-fused
2-shiki B-gata 1945   1-shiki or 4-shiki - 110   145 time-fused
Mark 7 1953 338 TNT - 272 1.8 later 4 90 later 180 hydrostatic
Mark 9 1953 154 torpex - 91 6.9 180 later 300 hydrostatic
Mark 14 1953 154 torpex - 91 7 300 acoustic
Mark 16 1953 197 torpex - 134 9.4 760 magnetic or acoustic

DC racks

Type

Year

Number of DCs

Type of DCs

MK 3 1953 8 Mk 6
Mk 4 1953 4 Mk 6
Mk 5 1953 7 Mk 6
Mk 6 1953 5 Mk 6

DC throwers

Type

Year

Fire range, km

Fire depth, m

Explosive type and mass, kg

DC mass, kg

Number and caliber of bores, mm

Mk 1-type (Y-gun) 1928 0.027 90 TNT - 136 191 2 x 241
Mk 2-type (K-gun) 1934 0.027 90 TNT - 136 191 1 x 152
15 cm A/S mortar 1943 4.1     27.0 1 x 152
8 cm A/S mortar 1943         1 x 81
Mk 10 Hedgehog 1953 0.26 180 torpex - 15.9 29.5 24 x 178
Mk 11 Hedgehog 1953 0.24 180 torpex - 15.9 29.5 24 x 178
Mk 15 Hedgehog 1953 0.24 180 torpex - 15.9 29.5 24 x 178

 

© Ivan Gogin, 2008