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Spearfish



Overview


Spearfish

Artist impression of Spearfish torpedo moving through the water.
Source: Unknown author - © Copyright lies with original owner

Origin
United Kingdom
Type
Heavyweight torpedo
Entered service
1992 for Mod 0
2021 for Mod 1
Status
In service
Development
1970's - 1980's
Developer
United Kingdom
Production
1988 - 2003 (Mod 0)
2020 - present (Mod 1 upgrade)
Producer
United Kingdom - GEC-Marconi Underwater Systems
Mod 0 production
United Kingdom - BAE Systems Underwater Systems
Mod 1 update
Unit cost
Over GBP 500.000 for Mod 1 update
Number produced
About 480 Mod 0 produced
Designations
Naval Staff Target 7525 (project name)
Notable users
United Kingdom

Details


Facts Spearfish Mod 0 Spearfish Mod 1
General
Origin
United Kingdom
Type
Heavyweight torpedo
Launch platform
Submarines
Target platform
Submarines, surface vessels
Dimensions
Diameter
533 mm
Length
7 m
Weight
1.850 kg
Warhead
Type
Aluminised PBX
Weight
300 kg
Fuse
Impact fuse and proximity fuse
Guidance
Homing
Active sonar in terminal stage
Passive sonar and wire guidance during attack run
Wire guidance
Yes, with two-way data exchange
Propulsion
Engine type
Hamilton Sundstrand 21TP04 gas turbine
Power source
Otto fuel II with hydroxyl ammonium perchlorate oxidizer
Propulsion
Pump jet propulsor
Performance
Speed
60 knots officially
80 knots estimate by various sources
Range
54 km at 55 knots
23 km at high speed (possibly 80 knots)
Depth
Up to 800 m target depth (estimate)

Related articles


Astute class

The Royal Navy Astute class nuclear powered attack submarines are the primary launch platform of the Spearfish torpedo.