Thwart
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A thwart is a part of an undecked boat that provides seats for the crew and structural rigidity for the hull. A thwart goes from one side of the hull to the other. There may be just one thwart in a sm
The thwarts in this wooden dinghy are the three seats that go from one side of the hull to the other. The U-shaped arrangement of seats at the stern of the boat are the sternsheets
A Cornish pilot gig, a single banked boat
Clinker built dinghy showing some of the basic structural details. The single rowing thwart supports the aft end of the centre-board case. The pairs of knees at each end of the thwart can be seen; also the longitudinal stringer on which the thwart rests. A mast thwart, nearer the bows, is set at a higher level and has a hole through which the mast is placed,
Inflatable boat
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An inflatable boat is a lightweight boat constructed with its sides and bow made of flexible tubes containing pressurized gas. For smaller boats, the floor and hull are often flexible, while for boats
Thwart
…canoe, a thwart is simply a strut placed crosswise (left/right) in a ship or boat, serving only as a structural member or to help with carrying. Some inflatable boats have a solid thwart which can be folded and removed so the boat can be deflated and rolled up for transport or storage…
A PVC inflatable boat on a beach
A modern, specialized rigid inflatable boat
The Nonpareil inflatable boat
A two-man Halkett boat, with and without its canvas cover