This part is from Bluedog DB
cost:
12000
mass:
2.4
category:
Propulsion
TechRequired:
nuclearPropulsion
engine_data:
standard
{"isp"=>{"vac"=>910.0, "atmo"=>60.0}, "propellant_ratios"=>{}, "max_thrust"=>116.7}
NERVA_FF
{"isp"=>{"vac"=>825.0, "atmo"=>50.0}, "propellant_ratios"=>{"LqdHydrogen"=>1.0}, "max_thrust"=>83.4}