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At a glance
Spearfish torpedolarger figure on 5 of 5
Sting Ray (torpedo)larger figure on 0 of 5
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | Spearfish torpedo | Sting Ray (torpedo) |
|---|---|---|
| Type | Heavyweight dual-purpose ASW and ASuW torpedo[source] | Lightweight ASW torpedo[source] |
| Place of origin | United Kingdom[source] | United Kingdom[source] |
| In service | 1992–present[source] | 1982–present[source] |
| Used by | Royal Navy[source] | Royal Navy Royal Norwegian Navy Royal Thai Navy Romanian Navy[source] |
| Manufacturer | BAE Systems Underwater Systems[source] | GEC-Marconi (Marconi Space and Defence Systems - MSDS), then Marconi Underwater Systems Ltd (MUSL) then BAE Systems Underwater Systems (part of BAE Systems Integrated System Technologies )[source] |
| Produced | 1988–2003, 2020- present[source] | — |
| No. built | 550 produced[source] | — |
| Warhead | Aluminised PBX explosive[source] | Torpex[source] |
| Detonation mechanism | Proximity or contact detonation[source] | — |
| Engine | Sundstrand gas-turbine with pump-jet[source] | Electrical pump-jet Magnesium/silver-chloride batteries[source] |
| Propellant | HAP / Otto fuel II[source] | — |
| Guidance system | Wire-guided with autonomous active terminal homing sonar[source] | Active and passive sonar[source] |
| Launch platform | submarine[source] | Frigates, destroyers, helicopters, Nimrod and P-8 Poseidon aircraft[source] |
| Designed | — | 1969–80[source] |