This part is from Konstellation HLV
cost:
13000
mass:
1.5
category:
Propulsion
TechRequired:
highPerformanceFuelSystems
engine_data:
HLV2ENGINE
{"isp"=>{"vac"=>1280.0, "atmo"=>1240.0}, "propellant_ratios"=>{"LqdHydrogen"=>1.0}, "max_thrust"=>300.0}