AIP-Diesel Combination Engines Technology ID
The research ID for AIP-Diesel Combination Engines in Hearts of Iron IV is sp_aip_engine_improved_tech.
AIP-Diesel Combination Engines
Naval1939
Unlock this technology with the research command and the tech ID sp_aip_engine_improved_tech.
About this technology
With further refinement of the AIP technology, we are seeing improvement both in terms of the performance as well as the material consumption used by the engines