Power & Performance
Those special qualities that separate one sea-going vessel design from another. Performance specifications presented assume optimal operating conditions for USS Ray (SS-271).
4 x Fairbanks-Morse Model 38D8 9-cylinder diesel-fueled piston engines with electric drive generators developing 5,400 horsepower; 4 x General Electric high-speed electric motors with reduction gears generating 2,740 horsepower; 2 x 126-cell Sargo battery packs; 2 x Shafts.
Propulsion
21.0 kts
24.2 mph
Surface Speed
9.0 kts
10.4 mph
Submerged Speed
11,001 nm
12,660 miles | 20,374 km
Range