A threshing and separating system including a rotor cage, a first vane rail movably connected to the rotor cage, and a first vane portion with a first constrained end pivotably connected to the rotor cage and a first movable end linked to the first vane rail. The threshing and separating system further including a second vane rail movably connected to the rotor cage, and a second vane portion with a second constrained end pivotably connected to the rotor cage and a second movable end linked to the second vane rail, the second vane portion and the first vane portion together define a substantially continuous vane.