This part is from History of Spaceflight RSS
cost:
200
mass:
0.795
category:
Engine
TechRequired:
solids1962
engine_data:
PrimaryMode
{"isp"=>{"vac"=>298.0, "atmo"=>272.0}, "propellant_ratios"=>{"PBAN"=>0.5643340857787811}, "max_thrust"=>268.0}