Poland - naval aviation and armaments
POLAND - 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 |
200 kg | 1930s | 260 | 200 | 3.0 | 100, later 120 | hydrostatic |
100 kg | 1930s | 130 | 100 | 2.2 | 100 | hydrostatic |
35 kg | 1930s | 52 | 35 | 2.2 | 100 | hydrostatic |
Mark VII |
1940 |
191 |
TNT - 132 |
3.0 |
90 later 180 |
hydrostatic |
Mark VII Heavy |
1940 |
259 |
TNT - 130 minol from 1942 - 130 |
5.1 |
90 |
hydrostatic |
B-1 | 1946 | 165 | TNT - 135 | 2.5 | 100 | time, later hydrostatic |
M-1 | 1946 | 36 | TNT - 25 | 2.2 | 100 | time, later hydrostatic |
DC racks
Type |
Year |
Number of DCs |
Type of DCs |
--- | 1930s | 12 | 200 kg |
DC throwers
Type |
Year |
Fire range, km |
Fire depth, m |
Explosive type and mass, kg |
DC mass, kg |
Number and caliber of bores, mm |
100/250 M1928 | 1930 | 0.25 | 100 | 100 | 130 | 1 x 116 |
Mark II Thornycroft ("K"-gun) |
1937 |
0.027 |
90 |
TNT - 136 amatol from 1930s - 132 |
191 |
1 x 241 |
Mark IV |
1941 |
0.061 0.047 |
90 |
TNT - 132 TNT - 130 |
191 259 |
1 x 241 |
Hedgehog |
1942 |
0.18 |
180 |
torpex - 15.9 |
29.5 |
24 x 180 |
Mark V |
1944 |
0.071 0.057 |
90 |
TNT - 132 TNT - 130 |
191 259 |
1 x 152 |
BMB-1 | 1946 | 0.12 | 90 | TNT - 135 | 165 | 1 x 241 |
BMB-2 | 1951 | 0.12 | 330 | 135 or 96 | 160 or 138 | 1 x 430 |
© Ivan Gogin, 2009