This is the main engine which propels it underwater at a rate of two knots, the reciprocating stabilizer mechanism, the highvoltage acid batteries, the multistage compressor, ballasttank trimmer, the air pump, which filters and recirculates the air...
Denne motoren driver det frem under vann i to knops hastighet. Vekselvirkende stabiliseringsmekansime. Høyspenningssyrebatterier.