Dual Chamber Rocket Engines Technology ID
The research ID for Dual Chamber Rocket Engines in Hearts of Iron IV is sp_rockets_dual_chamber_rocket_engine_1.
Dual Chamber Rocket Engines
Engineering1944
Unlock this technology with the research command and the tech ID sp_rockets_dual_chamber_rocket_engine_1.
About this technology
By adding a second combustion chamber to the engine, we can improve the flight time and effectiveness of our rocket engines.