This part is from Custom Clusters by Vanguard Astrodynamics
cost:
4500
mass:
2
category:
Engine
TechRequired:
heavyRocketry
engine_data:
VADVC5
{"isp"=>{"vac"=>315.0, "atmo"=>290.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>500.0}
resources:
ElectricCharge
0.0