A composite built 18′ lapstrake speedboat. project scope. similar to the 1960’s vintage thompson, lyman and chris-craft utility runabouts. originally designed for traditional marine plywood lapstrake planks over steam-bent oak frame construction, the changes to be incorporated into the glbbs-built boat include:. Clinker (or lapstrake) construction involves the planking of the hull with adjacent planks slightly overlapping one another (in a stepped fashion). it is a method used in northern european countries for centuries and produces a hull with graceful, tapering curves to the planking which stand out to emphasize the shape of the boat.. The clinker or "lapstrake" method is one of the oldest and most reliable methods of hull construction, and clinker built boats are quite popular. lean more about clinker boat plans and construction in this article..
Plywood, because of its multitude of grain directions, actually makes a much better plank stock than solid wood for lapstrake boats. it is less liable to bow or crack longitudinally where lapstrake construction leaves unsupported.. Lapstrake/clinker. one of the very first boats i built as a teenager, was one using narrow overlapping solid-wood boards (attached with copper rivets and roves) and at the time it was called 'clinker' construction.. Glued plywood lapstrake construction. glued lapstrake plywood construction (glpc) was developed sometime after wwii and became popular with power boat builders such as chris craft and others in the 1950’s and 1960’s. its shortcoming at that time was rot..
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