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HSIM -- An Open Source Simulator for Amateur Nitrous Hybrid Rocket Motors

Click here for more information on HSIM.
Flight Tank

Tank Height
Ullage Height
Tank Diameter
Vent Diameter
Vent Cd  
 
Combustion Chamber
Fuel  
Grain Length
Grain Outer Diameter
Grain Initial Core Diameter
C* Efficiency  
Injectors
Injector Diameter
Number of Injectors  
Injector Cd  
 
Nozzle
Throat Diameter
Exit Diameter
Area Expansion Ratio  
Half Angle
Cf Fudge Factor  
Fill Conditions
Initial Flight Tank Pressure
Flight Tank Pressure Drop
Supply Tank Temperature
 
Overall Physical Properties
Dry Mass
Ambient Air Pressure