Power & Performance
Those special qualities that separate one sea-going vessel design from another. Performance specifications presented assume optimal operating conditions for USS Drum (SS-228).
4 x Fairbanks-Morse Model 38D8 9-cylinder diesel engines with 4 x Elliott electric motors and 2 x 126-cell Sargo batteries developing up to 5,400 horsepower to 2 x shafts.
Propulsion
21.0 kts
24.2 mph
Surface Speed
9.0 kts
10.4 mph
Submerged Speed
11,297 nm
13,000 miles | 20,921 km
Range