Power & Performance
Those special qualities that separate one sea-going vessel design from another. Performance specifications presented assume optimal operating conditions for IJN I-400 (STo / Sen-Toku).
4 x Diesel engines developing 2,250 horsepower eachl 2 x Electric motors developing 2,100 horsepower each.
Propulsion
18.7 kts
21.5 mph
Surface Speed
12.0 kts
13.8 mph
Submerged Speed