Italian Torpedoes of World War II

Italian
Torpedoes of World War II
Updated 15 May 2006

21" (53.3 cm) W 270/533.4 x 7.2 Veloce .

Ship Class Used On	Submarines
Date Of Design	1935?
Date In Service	1939?
Weight	3,748 lbs. (1,700 kg)
Overall Length	23 ft. 7 in. (7.200 m)
Explosive Charge	595 lbs. (270 kg)
Range / Speed	3,300 - 4,400 yards (3,000 - 4,000 m) / 50 knots 13,100 yards (12,000 m) / 30 knots
Power	Wet-heater
Notes: High speed Fiume (Whitehead) torpedo which had a slimmer head than usual which was apparently good for an extra 2 knots of speed. The Japanese were so impressed with the design that they copied it for several of their own torpedoes.

21" (53.3 cm) W 270/533.4 x 7.2 "F" .

Ship Class Used On	Submarines
Date Of Design	1935?
Date In Service	1939?
Weight	3,417 lbs. (1,550 kg)
Overall Length	21 ft. 4 in. (6.500 m)
Explosive Charge	551 lbs. (250 kg)
Range / Speed	3,300 yards (3,000 m) / 43 knots 10,900 yards (10,000 m) / 28 knots
Power	Wet-heater
Notes: Fiume (Whitehead) torpedo.

21" (53.3 cm) W 250/533.4 x 6.5 .

Ship Class Used On	Submarines
Date Of Design	1935?
Date In Service	1939?
Weight	3,417 lbs. (1,550 kg)
Overall Length	23 ft. 7 in. (7.200 m)
Explosive Charge	595 lbs. (270 kg)
Range / Speed	4,400 yards (4,000 m) / 48 knots 13,100 yards (12,000 m) / 30 knots
Power	Wet-heater
Notes: Fiume (Whitehead) torpedo.

21" (53.3 cm) W 250/533.4 x 6.72 .

Ship Class Used On	Submarines
Date Of Design	1935?
Date In Service	1939?
Weight	3,748 lbs. (1,700 kg)
Overall Length	23 ft. 7 in. (7.200 m)
Explosive Charge	595 lbs. (270 kg)
Range / Speed	3,300 yards (3,000 m) / 42 knots 7,650 yards (7,000 m) / 32 knots 10,060 yards (9,200 m) / 30 knots 13,100 yards (12,000 m) / 26 knots
Power	Wet-heater
Notes: Fiume (Whitehead) torpedo. A very similar torpedo of slightly shorter length [22 ft. 6 in. (6.860 m)] was also in service.

21" (53.3 cm) Si 270/533.4 x 7.2 "I" .

Ship Class Used On	Submarines
Date Of Design	N/A
Date In Service	N/A
Weight	N/A
Overall Length	23 ft. 7 in. (7.200 m)
Explosive Charge	595 lbs. (270 kg)
Range / Speed	4,400 yards (4,000 m) / 49 knots 8,750 yards (8,000 m) / 38 knots
Power	Wet-heater
Notes: Naples (Silurificio Italiano) Torpedo.

21" (53.3 cm) Si 270/533.4 x 7.2 "M" .

Ship Class Used On	Cruisers and Destroyers
Date Of Design	N/A
Date In Service	N/A
Weight	3,748 lbs. (1,700 kg)
Overall Length	23 ft. 7 in. (7.200 m)
Explosive Charge	595 lbs. (270 kg)
Range / Speed	4,400 yards (4,000 m) / 46 knots 8,750 yards (8,000 m) / 35 knots 13,100 yards (12,000 m) / 29 knots
Power	Wet-heater
Notes: Naples (Silurificio Italiano) Torpedo. Later versions were 48 knots, 38 knots and 30 knots for the same ranges as above.

17.7" (45 cm) W 200/450 x 5.75 .

Ship Class Used On	Cagni Class Submarines
Date Of Design	N/A
Date In Service	N/A
Weight	N/A
Overall Length	18 ft. 10.5 in. (5.750 m)
Explosive Charge	441 lbs. (200 kg)
Range / Speed	3,300 yards (3,000 m) / 44 knots 8,750 yards (8,000 m) / 30 knots
Power	Wet-heater
Notes: Fiume (Whitehead) torpedo. Also used with sub-caliber fittings to enable it to be fired from 21" (533 mm) tubes.

17.7" (45 cm) Si 200/450 x 5.36 .

Ship Class Used On	MAS Boats
Date Of Design	N/A
Date In Service	N/A
Weight	2,050 lbs. (930 kg)
Overall Length	17 ft. 7 in. (5.750 m)
Explosive Charge	441 lbs. (200 kg)
Range / Speed	about 2,200 yards (2,000 m) / 44 knots
Power	Wet-heater
Notes: Naples (Silurificio Italiano) Torpedo.

17.7" (45 cm) W 200/450 x 5.25 .

Ship Class Used On	MAS Boats
Date Of Design	N/A
Date In Service	N/A
Weight	1,896 lbs. (860 kg)
Overall Length	17 ft. 2.5 in. (5.250 m)
Explosive Charge	441 lbs. (200 kg)
Range / Speed	4,400 yards (4,000 m) / 46 knots
Power	Wet-heater
Notes: Naples (Silurificio Italiano) Torpedo.

17.7" (45 cm) F200/450 x 5.46 .

Ship Class Used On	Aircraft
Date Of Design	N/A
Date In Service	N/A
Weight	1,995 lbs. (905 kg)
Overall Length	17 ft. 11 in. (5.460 m)
Explosive Charge	441 lbs. (200 kg)
Range / Speed	3,300 yards (3,000 m) / 40 knots
Power	Wet-heater
Notes: Fiume (Whitehead) torpedo. Early versions had a 375 lbs. (175 kg) warhead. This torpedo was also used by the Germans and designated "F5W" type.

17.7" (45 cm) Si 200/450 x 5.36 .

Ship Class Used On	Aircraft
Date Of Design	N/A
Date In Service	N/A
Weight	2,145 lbs. (973 kg)
Overall Length	17 ft. 7 in. (5.360 m)
Explosive Charge	441 lbs. (200 kg)
Range / Speed	3,300 yards (3,000 m) / 40 knots
Power	Wet-heater
Notes: Naples (Silurificio Italiano) Torpedo. This torpedo was also considered for use by the Germans and designated "F5I" type, however, none are known to have been used by them.

19.7" (50 cm) W 120/500 x 2.6 .

Ship Class Used On	Aircraft
Date Of Design	N/A
Date In Service	N/A
Weight	2,145 lbs. (973 kg)
Overall Length	17 ft. 7 in. (5.360 m)
Explosive Charge	441 lbs. (200 kg)
Range / Speed	3,300 yards (3,000 m) / 40 knots
Power	Battery
Notes: Fiume (Whitehead) Torpedo. This was a short parachute-dropped torpedo that ran in circles, spirals and curves. Dropping conditions were about 150 knots from 200 to 600 feet (60 to 180 m). This torpedo was also used by the Germans and designated "LT350" type.

Data from
"Naval Weapons of World War Two" by John Campbell
"Italian Warships of World War II" by Aldo Fraccarolli