This part is from SpaceY
cost:
17100
mass:
27.3
category:
Engine
TechRequired:
veryHeavyRocketry
engine_data:
SYSRB25X
{"isp"=>{"vac"=>220.0, "atmo"=>195.0}, "propellant_ratios"=>{"SolidFuel"=>1.0}, "max_thrust"=>5000.0}
resources:
SolidFuel
16380.0