This part is from Chaka Monkey Exploration Systems
cost:
13900
mass:
15
category:
Propulsion
TechRequired:
veryHeavyRocketry
engine_data:
standard
{"isp"=>{"vac"=>0.0, "atmo"=>0.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>1700.0}