def setUp(self):

        self.rotor = rotor_mass_adder()

        self.rotor.blade_mass = 17000.
        self.rotor.hub_system_mass = 35000.
        self.rotor.blade_number = 3
    def test1(self):

        rotor = rotor_mass_adder()

        rotor.blade_mass = 17000.0
        rotor.hub_system_mass = 35000.0
        rotor.blade_number = 3

        check_gradient_unit_test(self, rotor)
    def test1(self):

        rotor = rotor_mass_adder()

        rotor.blade_mass = 17000.
        rotor.hub_system_mass = 35000.
        rotor.blade_number = 3

        check_gradient_unit_test(self, rotor)