Inboard
Inboard refers to something situated toward the center or interior of an object, in contrast to outboard, which denotes a position toward the exterior or edge. In nautical and marine contexts, inboard most commonly describes propulsion equipment that is mounted inside the hull of a vessel.
Inboard propulsion consists of an engine, transmission, and drive shaft located within the boat’s hull. The
Advantages of inboard propulsion include a cleaner and more navigable deck area, improved balance and interior
Beyond nautical use, inboard can generalize to internal components within machinery or devices, as opposed to