This part is from Realism Overhaul
cost:
0
mass:
1
category:
Engine
TechRequired:
basicRocketry
engine_data:
standard
{"isp"=>{"vac"=>279.0, "atmo"=>251.0}, "propellant_ratios"=>{"HTPB"=>1.0}, "max_thrust"=>80.5}
SC-MSRM
{"isp"=>{"vac"=>267.0, "atmo"=>245.0}, "propellant_ratios"=>{}, "max_thrust"=>3212.0}
