This part is from X-34 Personal Transport
cost:
1200
mass:
.5
category:
Engine
TechRequired:
basicRocketry
engine_data:
standard
{"isp"=>{"vac"=>320.0, "atmo"=>250.0}, "propellant_ratios"=>{"LiquidFuel"=>0.1, "Oxidizer"=>0.1}, "max_thrust"=>275.0}