4 ms·
>The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines they have to come to surface to recharge the batterie
by tsjq 7y ago
>The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines
they have to come to surface to recharge the batteries and to take in oxygen.