public Propellant(int value, string name)
 {
     _parentEngine = null;
     _intValue = value;
     _name = name;
 }
 public Oxidiser(int value, string name)
 {
     _parentEngine = null;
     _intValue     = value;
     _name         = name;
 }
 public Propellant(PropellantsEnum pr)
 {
     _parentEngine = null;
     _intValue = (int)pr;
     _name = pr.ToString();
 }
 public Oxidiser(OxidisersEnum ox)
 {
     _parentEngine = null;
     _intValue     = (int)ox;
     _name         = ox.ToString();
 }
 public Propellant(int value, string name)
 {
     _parentEngine = null;
     _intValue     = value;
     _name         = name;
 }
 public Propellant(PropellantsEnum pr)
 {
     _parentEngine = null;
     _intValue     = (int)pr;
     _name         = pr.ToString();
 }
 public Oxidiser(int value, string name)
 {
     _parentEngine = null;
     _intValue = value;
     _name = name;
 }
 public Oxidiser(OxidisersEnum ox)
 {
     _parentEngine = null;
     _intValue = (int)ox;
     _name = ox.ToString();
 }