S4W reactor

S4W reactor

The S4W reactor is a naval reactor used by the United States Navy to provide electricity generation and propulsion on warships. The S4W designation stands for:

* S = Submarine platform
* 4 = Fourth generation core designed by the contractor
* W = Westinghouse was the contracted designer

This nuclear reactor was a variant of the Submarine Fleet Reactor (SFR) with the horizontal steam generators pioneered in S1W and S2W.

Two boats of the "Skate" class were built with S4W reactors: USS "Swordfish" (SSN-579) ref|SSN579 and USS "Seadragon" (SSN-584) ref|SSN584. During later overhauls, the S4W reactors in both subs were replaced with S5W reactors ref|attack.

References


# [http://navysite.de/ssn/ssn579.htm navysite.de - USS Swordfish (SSN 579)]
# [http://navysite.de/ssn/ssn584.htm navysite.de - USS Seadragon (SSN 584)]
# [http://www.combatindex.com/hardware/hardware_sea_sub_ssn_main.html CombatIndex.com - Nuclear Attack Submarines]

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