High-Speed Walter Engines Technology ID
The research ID for High-Speed Walter Engines in Hearts of Iron IV is sp_aip_engine_advanced_tech.
High-Speed Walter Engines
Naval1943
Unlock this technology with the research command and the tech ID sp_aip_engine_advanced_tech.
About this technology
Our experience and understanding of the Air-Independent Propulsion System have allowed us to develop state of the art engines. Silent, fast and deadly.