Boat Hull Structural Diagram - Gunwale, Thwart, and Keel Explained #153252 (License: Personal Use)

This technical line drawing shows a longitudinal cross-section of a small wooden boat, emphasizing its primary structural elements. The gunwales (G) form the upper edges of the hull, the thwart (T) serves as a transverse support and seating element, and the keel (K) provides longitudinal strength and directional stability along the bottom centerline. Hatching indicates solid wood construction with internal framing.

Used in maritime education, boatbuilding manuals, naval architecture resources, or museum exhibits to explain fundamental hull anatomy; targets students, hobbyists, and professionals seeking foundational knowledge of vessel structure.