This part is from Bluedog DB
cost:
4000
mass:
0.9
category:
Propulsion
TechRequired:
heavierRocketry
engine_data:
BDB_XLR129_vac
{"isp"=>{"vac"=>451.0, "atmo"=>357.0}, "propellant_ratios"=>{"LqdHydrogen"=>15.0, "Oxidizer"=>1.0}, "max_thrust"=>270.8330749}
BDB_XLR129_SL
{"isp"=>{"vac"=>436.0, "atmo"=>387.0}, "propellant_ratios"=>{"LqdHydrogen"=>15.0, "Oxidizer"=>1.0}, "max_thrust"=>261.825323}
