This part is from History of Spaceflight RSS
cost:
300
mass:
0.75
category:
Engine
TechRequired:
orbitalRocketry1967
engine_data:
PrimaryMode
{"isp"=>{"vac"=>265.7, "atmo"=>239.5}, "propellant_ratios"=>{"UDMH"=>1.0, "AK27"=>2.1}, "max_thrust"=>1131.7}
