I had in mind: in real world AIP allows to reach only small speed (depends on technology), probably from 6 to 8 kts.
All above this speed should depletes batteries much faster - similar like in classic diesel-electric.
But in mod, AIP submarines haven't this limit. They works like nuclear ones :P
(sorry, my english is far from good)
Submarines with classic diesel-electric propulsion in RA mod:
- all Kilo & Kilo improved (RU, CH, IR)
- all Sauro batches (IT)
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