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Naval Weapons

ONR to examine Otto fuel, Al-Ago battery technologies for extended range Mk 48 torpedo

06 February 2017

Both Otto fuel turbine engine and aluminium silver-oxide (Al-AgO) electric propulsion technologies are to be examined under an Office of Naval Research (ONR) Future Naval Capability (FNC) programme intended to increase the range of the US Navy's (USN's) Mk 48 Mod 7 heavyweight torpedo.

However, the possibility of adopting an alternative Stored Chemical Energy Propulsion System (SCEPS) has been dropped from further consideration.

Known as the Torpedo Advanced Propulsion System (TAPS), the new-start FNC is intended to develop and demonstrate a prototype torpedo propulsion system to evolve the Mk 48 into what the ONR characterises as "an extended range weapon".

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