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

Related Terms

BUTT

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

BUTT STRAP

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

SHELL EXPANSION

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

BAT BOLT

A bolt whose butt or tang is bashed or jagged.

DOUBLE-RIVET

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

EXPOSURE

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.

HORIZON GLASS

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.

SCANTLINGS

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

JOGGLE

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.

ATTITUDE

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.

Related questions

MarineProHelp 2018 - 2022