(= (Position (Reference-Point Gimbal-2-Base) (Reference-Point Planar-Mace)) (* (- (Buslength Bus-Assy)) (Basis.Vec (Reference-Frame Planar-Mace) 1))) (= (Orientation (Reference-Frame Gimbal-2-Base) (Reference-Frame Planar-Mace)) (Simple-Rotation 3 180))