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Detail of okil carvings on a vinta stern (c.1920) [1] Plan, midships section, and lines of a vinta (Doran, 1972) A small Moro vinta (tondaan) from the Philippines (c. 1905) showing the bifurcated stern. The hull is covered by a removable deck made of planks or split bamboo. It has a central house-like structure known as the palau. This is used ...
The DIY Mermaid was designed as an entry for the sailboat-building competition, organised by Stanley Tools in 1961, and the first DIY Mermaid was built by the designer on the living room floor. The Do-it-yourself magazine [ 2 ] started serialising the construction drawings and instructions in June 1963, whereby the DIY Mermaid could be built ...
Lofting is the transfer of a Lines Plan to a Full-Sized Plan. This helps to assure that the boat will be accurate in its layout and pleasing in appearance. There are many methods to loft a set of plans. Generally, boat building books have a detailed description of the lofting process, beyond the scope of this article.
The length of the distance line used is dependent on the plan for the dive. An open water diver using the distance line only for a surface marker buoy may only need 50 metres (160 feet), whereas a cave diver may use multiple reels of lengths from 25 ft (7.6 m) to 1000+ ft (300 m).
A recreational diver may expect many of these items to be arranged by the service provider (the dive boat operator, shop, or school providing thansport to the dive site and organising the dive). Technical diving is less constrained by legislation than professional diving, but risk analysis may indicate similar equipment to be necessary or ...
The one sheet boat (OSB, cf. oriented strand board) is an outgrowth of the stitch and glue technique. The OSB is a boat that can be built using a single sheet of 4 foot by 8 foot plywood (1.22 m × 2.44 m). Some additional wood is often used, for supports, chines, or as a transom, though some can be built entirely with the sheet of plywood ...
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Sail plan of what Taumako builders call a tealolili (a smaller, simpler design than tepukei), The simplistic image below was drawn from photos of the Maunga Nefe and the Vaka Taumako Project. It shows a symmetrical double-ended hull, and long-armed claw sail, with windward and leeward booms.