home

Naval aviation and armaments

 

United States of America - Naval aviation and armament

UNITED STATES OF AMERICA - 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

Mark 1 1916 91 wet gun cotton - 23 1.8 30 mechanical
Mark 2 1917 191 TNT - 136 1.8 60 hydrostatic
Mark 3 1917 191 TNT - 136 1.8 90 hydrostatic
Mark 4 1918 338 TNT - 272 1.8 90 hydrostatic
Mark 6 ~1939 191 TNT - 136 2.4 later 3.7 90 later 180 hydrostatic
Mark 7 ~1939 338 TNT - 272 1.8 later 4 90 later 180 hydrostatic
Mark 8 1943 238 TNT - 122 3.5 150 magnetic
Mark 9 1943 154 torpex - 91 6.9 180 later 300 hydrostatic
Mark 14 1945 154 torpex - 91 7 300 acoustic
Mark 16 1946 197 torpex - 134 9.4 760 magnetic or acoustic

DC racks

Type

Year

Number of DCs

Type of DCs

Mk 1 mod. 0 1918 8 or 13 Mk 2, 3
Mk 2 1919 5 Mk 2, 3
Mk 1 mod. 1 1934 5 / 3 Mk 6 / Mk 7
MK 3   8 Mk 6
Mk 4   4 Mk 6
Mk 5   7 Mk 6
Mk 6   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 (Y-gun) 1917 0.027 90 TNT - 136 191 2 x 241
Mk 2 1918 0.027 90 TNT - 136 191 1 x 152
Mk 5 (Y-gun) 1918 0.027 90 TNT - 136 191 2 x 241
Mk 6 (K-gun) 1941 0.137 90 later 300 TNT - 136 later torpex 91 191 1 x 241
Mk 7 (Y-gun) 1941 0.027 90 TNT - 136 191 2 x 241
Mk 10 Hedgehog 1942 0.26 180 torpex - 15.9 29.5 24 x 178
Mk 11 Hedgehog 1942 0.24 180 torpex - 15.9 29.5 24 x 178
Mk 20 Mousetrap 1942 0.26 180 torpex - 15.9 29.5 4 x 178
Mk 22 Mousetrap 1942 0.27 180 torpex - 15.9 29.5 8 x 178
Mk 15 Hedgehog 1948 0.24 180 torpex - 15.9 29.5 24 x 178
Mk 108 Weapon Alfa 1949 0.89 300   25 1 x (12 rpm)

 

Ivan Gogin, 2008