S2Wa reactor
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The S2Wa reactor is a naval reactor used by the United States Navy to provide electricity generation and propulsion on warships. The S2Wa designation stands for:
- S = Submarine platform
- 2 = Second generation core designed by the contractor
- W = Westinghouse was the contracted designer
After pressurized water reactor technology had proved its superiority in the S1W and S2W applications, the USS Seawolf (SSN-575) had her S2G liquid metal cooled reactor replaced using spare S2W components. During the conversion, the steam turbines in the powerplant were also re-bladed to utilize saturated, rather than superheated, steam.
| United States Naval reactors |
| Aircraft carrier reactors: |
| A1B | A1W | A2W | A3W | A4W |
| Cruiser reactors: |
| C1W |
| Destroyer reactors: |
| D1G | D2G |
| Submarine reactors: |
| S1C | S1G | S1W | S2C | S2G | S2W | S2Wa | S3G | S3W | S4G | S4W | S5G | S5W | S6G | S6W | S7G | S8G | S9G |
| List of United States Naval reactors |
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