This part is from Making History DLC
cost:
850
mass:
1.0
category:
Engine
TechRequired:
heavierRocketry
engine_data:
standard
{"isp"=>{"vac"=>355.0, "atmo"=>150.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>125.0}
560 Craft use this part
(ordered by download count)