Advanced Dual Chamber Rocket Engines Technology ID
The research ID for Advanced Dual Chamber Rocket Engines in Hearts of Iron IV is sp_rockets_dual_chamber_rocket_engine_2.
Advanced Dual Chamber Rocket Engines
Engineering1946
Unlock this technology with the research command and the tech ID sp_rockets_dual_chamber_rocket_engine_2.
About this technology
Further refinements of the dual combustion engine may lead to even greater improvements in the design's effectiveness.