Caliber,

 mm

Type

Year

Ships used on

Full

mass, kg

Length, kg

Explosive

charge

Explosive

mass, kg

Fire

range, km

Speed,

 kts

Heading

 system

Max depth, m

450

18`` Mk IV

1895

surface ships

383

3.56

wet powder

53.5

0.7

26.5

---

---

450

18`` Mk VII

1910

surface ships

TNT

145

4.6

6.4

35

29

---

---

450

18`` Mk VIII

1914

SS

1736

TNT

145

2.3

3.7

35

29

---

---

450

45cm Horten

1930s

surface ships

740

4.80

TNT

150

1.5

5

45

30

---

---

450

45cm Horten

1930s

surface ships

820

5.43

TNT

180

2.5

6.7

40

28

---

---

533

53cm Horten

1930s

surface ships

5.0

TNT

250

2

42

---

---

533

21`` Mk 8

1940

DD

1383

6.51

TNT

211

14.6

26

---

---

533

21`` Mk VIII**

1941

SS

1566

6.58

torpex

340

4.6

6.4

45.5

41

---

---

533

21`` Mk IX**

1943

DD

1693

7.28

torpex

365

10.0

13.7

41

35

---

---