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