Boat building - Wikipedia Most boats with wood construction use marine-grade plywood encapsulated fully in fiberglass and resin, so the wood never actually gets wet, leaving only the benefits of wood construction in place. You can almost tell when a boat has wood stringers by the way it rides. Ebbtide boats come to mind. They�re solid without being too stiff, substantial without being too heavy.
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Today we look at why genuine mahogany is the best wood for boats. The most obvious one, of course, is water damage � moisture can eat away at many materials and cause rotting or erosion, as well as shrinking the wood over time. Saltwater can further this damage, not to mention strong winds and constant sun exposure. Any wood used in boat decking or flooring must be able to withstand bending and other movements, as well as the force from colliding with docks or anything that lurks below the surface.

Thankfully, genuine mahogany wood stands up well to anything nature can throw at it okay, almost anything. No guarantees in the event of a tornado. Being made up of mostly heartwood, mahogany is naturally dense and highly resistant to rot and decay. Furthermore, genuine mahogany wood is highly resistant to shrinkage thanks to its nearly ratio of radial to tangential shrinkage.

With resistance against both physical stress and natural elements, mahogany for boats is a smart choice if you aim to maintain the structure and quality of your boat decking for decades to come. Looking beyond practicality, the most exciting part of using mahogany wood for boats is the luxe feel that it creates. Ebbtide boats come to mind. They built their racing hulls out of wood, some real exotic stuff from obeche and okume trees from Africa. Before you roll your eyes and label me an old-school curmudgeon who dismisses contemporary lamination technology, consider this.

True, you need check them out to be sure there has been no water intrusion, but my overarching theme here is that there are benefits to wood construction. Written by: Brett Becker. Brett Becker is a freelance writer and photographer who has covered the marine industry for 15 years.

In addition to covering the ski boat and runabout markets for Boats. Vast quantities of fir are made into various grades of plywood. Weight per cubic foot is about 28 pounds. Also known as larch or tamarack. It is becoming scarce and is usually found , if obtainable. Average weigh t per cubic foot is 36 pounds. This is a very heavy hard wood with a close dense grain that resists splitting and abraiding and is very impervious to dry rot. It is the classic: material for mooring bitts, cleats, wedges, strongbacks, trunnels.

It is difficult to work and requires very sharp tools to finish. Weight per cubic foot is 43 pounds. White oak is the timber of choice for ship and boatbuilding. It is principally used in framing and main longitudinal timbering for its density, hardness, great strength ability to hold fastenings and lack of shrinking and swelling when wet. When green, it is highly suitable for steam bending in smaller diameters. In any case, it is very resistant to dry rot. Red oak has similar qualities, but is somewhat softer and is more susceptible to water soakage, making it a second choice for marine use.

Red oak must be paint finished if used for exposed areas above decks for hard wearing areas, as it turns black when exposed to air and will not take a varnish finish. Weight for both types is about 48 pounds per cubic foot.

There are several varieties of white pine used in boatbuilding. One is the Northern white pine which is native to the eastern United States. The other is the Western or Sugar pine of the west coast. There is another western variety called Ponderosa pine which is less favored. These woods share the common qualities of uniform texture, ease of working. It is a favorite material for interior joinery and trim.

It is sometimes used for planking but absorbs much water to gain weight as does cypress, The weight is about 26 pounds per cubic foot. Longleaf yellow pine is a favorite wood for planking as it is dense, hard, and strong and is readily obtainable at moderate cost in long, clear lengths. It is best when specially cut for marine work as quarter or edge sawn.

It's one disadvantage is that it contains a heavy resin which will bleed through paint finish in hot weather. It is mostly used in commercial vessels. In yachts where a fine finish is desired, it has its place in interior framing, as it is very Strong and holds fastenings well.

It weighs about 38 pounds per cubic foot. This term is sometimes applied to Douglas fir, which is not a pine, but it is mentioned to clarify its name. This wood is noted for its resistance to dry rot, and is often used for interior joinery for its beautiful color when oiled or varnished, While sometimes used to plank small skills, its value is limited as its tensile strength is poor and it is easily shattered by impact.

This wood is light in weight and is moderately hard and tough with smooth fibers. It is very strong for its weight, and has long been used. In the earlier days of aero plane manufacture, it was the material chosen for fuselage and wing spars. It is usually available in very long lengths.

It is not highly rot resistant and must be kept sealed with paint, varnishes, or wood preservatives. It is now quite expensive. It weighs about 27 pounds per cubic foot. This wood is native to the maritime provinces of Canada and the New England area of the United States. Its weight and general properties are similar to the Sitka variety, except that it shows many knots and clear stock is unobtainable.

It is often used for planking and decking, although it must be carefully maintained to avoid dry rot. This is a heavy dense hardwood and is mentioned because it was once favored for interior finishing of fine yachts. It does not markedly shrink or swell with moisture.

Its weight is 39 pounds per cubic fool. This timber is obtained from the Gold Coast and Nigerian areas of Africa. The mature trees are almost uniformly of immense size and may be up to seven or eight feet in diameter. It is a rather soft, light wood with large pores but has a spectacular graining with many variations as to burling and pattern.

It is largely used as facing on fir plywood panels. Its average weight is about 33 pounds per cubic foot. This term is used to describe most of the mahogany-like timber in southern Mexico and Central America.




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