This part is from LongMarch-9（CZ-9）
cost:
2000
mass:
2.1
category:
Engine
TechRequired:
start
engine_data:
CZ09_B
{"isp"=>{"vac"=>0.0, "atmo"=>0.0}, "propellant_ratios"=>{"ChineseKeroseneOil"=>2.0, "ChineseOxygen"=>5.4}, "max_thrust"=>4800.0}
