This part is from Commonwealth Rockets - Stockalike British Rocketry
cost:
0
mass:
0.3
TechRequired:
start
engine_data:
MainNozzles
{"isp"=>{"vac"=>290.0, "atmo"=>275.0}, "propellant_ratios"=>{"Kerosene"=>0.9, "LqdOxygen"=>1.1}, "max_thrust"=>55.0}
