Most gimbal-based mechanical systems systems are made to rotate “unnecessarily” to avoid gimbal lock when two of the gimbals are about to coincide. The fact tha

Most gimbal-based mechanical systems systems are made to rotate “unnecessarily” to avoid gimbal lock when two of the gimbals are about to coincide. The fact that this happens at very near zero degrees makes perfect sense if that’s where the gimbals would become aligned and locked.