Power & Performance
Those special qualities that separate one sea-going vessel design from another. Performance specifications presented assume optimal operating conditions for IJN I-21.
2 x Diesel engines developing 12,400 horsepower with electric motors developing 2,000 horsepower; 2 x shafts.
Propulsion
24.0 kts
27.6 mph
Surface Speed
8.0 kts
9.2 mph
Submerged Speed
14,034 nm
16,150 miles | 25,991 km
Range