virtual const char* getTypeString(void) const { return "ship"; }
double _rudder_constant, _speed_constant, _hdg_constant, _limit ;
double _elevation_m, _elevation_ft;
virtual const char* getTypeString(void) const { return "ship"; }
double _rudder_constant, _speed_constant, _hdg_constant, _limit ;
double _elevation_m, _elevation_ft;