A method of constructing wooden hulls by fixing planks to a frame so that the planks butt up against each other.

Related Terms


The end joint between two plates or other members which meet end to end


A strap that overlaps the butt between two plates, serving as a connecting strength strap between the butted ends of the plating


A plan showing the seams and butts, thickness and associated welding or riveting of all plates comprising the shell plating, framing, etc.


A bolt whose butt or tang is bashed or jagged.


To rivet a lap joint with two rows of rivets or a butt joint with four rows.


The distance from the butt of one shingle to the butt of the shingle above it, or the amount of a shingle that is seen.


The glass of a marine sextant, attached to the frame, through which the horizon is observed. The half of this glass nearer the frame is silvered to form the HORIZON MIRROR for reflecting the image of a celestial body; the other half is clear.


Dimensions of ships structural members, e.g., frame, beam, girder, etc.


A slender triangular recess cut into the faying surface of a frame or steamed timber to fit over the land of clinker planking, or cut into the faying edge of a plank or rebate to avoid feather ends on a strake of planking. The feather end is cut off to produce a nib. The joggle and nib in this case is made wide enough to allow a caulking iron to enter the seam.


The position of a body as determined by the inclination of the axes to some other frame of reference. If not otherwise specified, this frame of reference is fixed to the earth.

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