A sailboat whether it's single hull (one hull) or a multi-hull (more than one hull) can be made of different material. The majority of today's sailboats however are made from fiberglass. This is mainly because fiberglass is strong, can absorb shock (to a certain extent), is relatively cheap to make (compared with other materials such as wood) and is easy to make a mold out of.
Some of the older sailboats are made from wood and some are also made from steel. There are both pros and cons to this as wood and steel are heavier than fiberglass and therefore take more energy (wind, fuel etc) to move the boat along.
Displacement: The weight of the water the boat displaces. Hull weight: The weight of the hull of the boat
Sail, Rudder, Centreboard, Hull, Boom,
The hull of a boat is the body of the boat. it is the part of the boat in the water. excluding the mast, boom, sail, rudder, keel, etc.
A sailboat without a sail is but a hull of itself.
A sailboat without a sail is but a hull of itself.
Hull, mast, tiller(or rudder), center- or daggerboard, sail, lines with which to manipulate the sail to effect changes of direction.
a ski boat
A torrent of green and white water broke over the hull of the sail-boat.
It varies widely. The speed depends on factors such as hull shape, type of rigging, crew experience. the weight varies from a few kilos to many tons
There are many different types of sail boats, ranging from tiny one person boats to tall ships which can carry hundreds of sailors. Sailboats can be classified primarily by their sail configuration and hull type. Sloop - The sloop is the most common sail configuration, consisting of a mainsail and foresail. There are several variations on the basic sloop design, such as adding more than one foresail, or the fractional rig. A fractional rig sloop is one where the foresail does not extend all of the way to the top of the mast - this can give the boat better performance in some conditions. Catboat - This design has one mast, like the sloop; unlike the sloop, it does not carry a headsail. The catboat is also characterized by its mast being placed well towards the bow of the boat. Ketch - A ketch has two masts - a main mast and a mizzen mast. A ketch may also use jib sails in front of the main mast. Schooner - A schooner is a boat with two or more masts, and the second mast is at least as tall as the first mast. This differentiates a schooner from a ketch, as the mizzen mast on a ketch is shorter than the main mast. In addition to sail type, sail boats can be classified by hull type. Most sail boats are mono or single hull boats, but some are multi hull or catamaran hull designs. A Mono hull boat uses a keel or centerboard for stability (to leverage against the force of the wind on the sails), but a multi hull boat uses it's width to create stability. Multi hull boats are often quicker than mono hull boats. Of course, a mono hull boat will have more interior room than a multi hulled boat of the same size.
A sailboat.
On the sail is the boat's production number. That'll be your best clue, short of contacting the company or a "Sunfish Class" club.