def _data(): return _lobanoff_data()['diameter_ratio']
def _data(): return _lobanoff_data()['capacity_constant']
def _data(): return _lobanoff_data()['head_rise']
def _data(): return _lobanoff_data()['npshr']
def _data(): return _lobanoff_data()['vane_and_shroud_thickness']
def _data(): return _lobanoff_data()['head_constant']
def _data(): return _lobanoff_data()['volute_constant']