This part is from Chaka Monkey Exploration Systems
cost:
4000
mass:
0.49
category:
Propulsion
TechRequired:
advRocketry
engine_data:
M1D_nozzle
{"isp"=>{"vac"=>280.0, "atmo"=>240.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>320.0}