S3W reactor

S3W reactor

The S3W reactor is a naval reactor used by the United States Navy to provide electricity generation and propulsion on warships. The S3W designation stands for:

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

This nuclear reactor was a variant of the Submarine Fleet Reactor (SFR), an advance on the pressurized water reactor (PWR) plant design employed on the USS "Nautilus" (SSN-571). The S3W's major innovation was the adoption of vertical U-tube steam generators. This concept was further developed in the S5W reactor, and is in common use today on commercial PWR power plants.

The USS "Halibut" (SSGN-587) and two boats of the "Skate" class were built with S3W reactors: USS "Skate" (SSN-578) ref|SSN578 and USS "Sargo" (SSN-583) ref|SSN583. During later overhauls, the S3W reactors in both "Skate" and "Sargo" were replaced with S5W reactors ref|attack.

References


# [http://navysite.de/ssn/ssn578.htm navysite.de - USS Skate (SSN 578)]
# [http://navysite.de/ssn/ssn583.htm navysite.de - USS Sargo (SSN 583)]
# [http://www.combatindex.com/hardware/hardware_sea_sub_ssn_main.html CombatIndex.com - Nuclear Attack Submarines]

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