This part is from M.O.T.H.S.
cost:
300
mass:
0.15
category:
Engine
TechRequired:
basicRocketry
engine_data:
standard
{"isp"=>{"vac"=>350.0, "atmo"=>90.0}, "propellant_ratios"=>{"LiquidFuel"=>0.9, "Oxidizer"=>1.1}, "max_thrust"=>25.0}