This part is from BehemothAerospaceEngineering
cost:
1410
mass:
2.4
category:
Engine
TechRequired:
veryHeavyRocketry
engine_data:
BAEBSE2
{"isp"=>{"vac"=>210.0, "atmo"=>175.0}, "propellant_ratios"=>{"ModularSolidFuel"=>1.0}, "max_thrust"=>4000.0}