This part is from lonesomerobots
cost:
1500
mass:
0.3
category:
Propulsion
TechRequired:
metaMaterials
engine_data:
standard
{"isp"=>{"vac"=>390.0, "atmo"=>210.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>70.0}