Power & Performance
Those special qualities that separate one sea-going vessel design from another. Performance specifications presented assume optimal operating conditions for USS Tench (SS-417).
As Built: 4 x Fairbanks-Morse Model 38D8 10-cylinder opposed diesel engines with electrical generators developing 5,400 horsepower; 2 x 126-cell Sargo battery packs; 2 x General Electric electric motors delivering 2,740 horsepower.
Propulsion
20.3 kts
23.3 mph
Surface Speed
8.8 kts
10.1 mph
Submerged Speed
10,002 nm
11,510 miles | 18,524 km
Range