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Orbital Controls

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The orbital controls the steering movement by working with the pump to deliver fluid to the ram. Orbitals are often referred to by the number of wheel turns lock to lock they provide. The vast majority of your steering's sensitivity resides here. For example, if you have a rig that you plan on driving fast, a slower orbital (one that requires more turns of the wheel) might be a better fit because it will have less quickness and a less sensitive feel than a faster orbital.