A veil is a piece of fabric, which can vary in size from a few square meters to several hundred square meters, which, thanks to wind, is used to move a vessel. Sails are used on sailboats, windsurfers, but also on land vehicles (Key West sail and snorkel). A veil is mainly characterized by its shape, weight, and (s) material (s) which it is composed.
In ninth century the introduction of lateen begins the decline sailing in Mediterranean where the wind regime is too irregular to use it. Atlantic it persists even beyond the Middle Ages, Viking long ships to Hanseatic cogs, through the French and British ships. The following centuries confirm its retention as evidenced ships products both for trade and for the fight.
The luff of mainsails is secured to mast or through the slides set sails and passed through the mast or through a rope (that is to say a rope sewn along sailing). The edge of mainsails is held by a rope or a / the slide (s) passed into groove of boom. A spinnaker (spinnaker) symmetric by definition, tack and luff are side pole (after jibe so do these terms mean the same most of sails).
The operating principle of a sails depends on the speed of vessel, that is to say the direction of ship to wind. A sails works in two ways: Either flow attached which shows a phenomenon of lift to paces from close to reaching, Is flowing hook, and a board that we would position perpendicular to wind. This is the mode that looks grand and dropped downwind.
When the ship away from the wind, the flow along sails can "win." The wind literally pushes sails. To obtain maximum propulsion, it is then necessary to orient the web so as to be differently perpendicular to axis of wind. It should also set sails so that it is as hollow as possible. Extremely hollow sails were designed for this purpose, such as spinnakers (or "spinnakers") or gennaker.
At its inception this veil was little different from the square sails, his yard is horizontal, but with significantly improved performance upwind, including "topping lift" of yard, that is to say, the yard becomes more vertical in approaching the axis of mast.
The maximum angle of deflection that can obtain is equal to angle of incidence of wind relative to axis of vessel. It is against-productive effect of sails border beyond the axis of vessel. The actual angle of deflection depends on the ability of air to follow the profile of sails. If the radius of curve is too short to follow the depression on the upper surface becomes too strong, and the air picks (tends to take the wind direction).
It is found in the early twentieth century in, in northern Brittany, in particular the number of cutters fishing inBay of Morlaix; ex. Joan of Arc, launched in 1909. The advantage of this simple to implement rig is a certain lightness, excellent performance of near-like while maintaining a large area of canvas suitable for speed (first come port obtained the highest price for their catch, fresh issue as well).
In ninth century the introduction of lateen begins the decline sailing in Mediterranean where the wind regime is too irregular to use it. Atlantic it persists even beyond the Middle Ages, Viking long ships to Hanseatic cogs, through the French and British ships. The following centuries confirm its retention as evidenced ships products both for trade and for the fight.
The luff of mainsails is secured to mast or through the slides set sails and passed through the mast or through a rope (that is to say a rope sewn along sailing). The edge of mainsails is held by a rope or a / the slide (s) passed into groove of boom. A spinnaker (spinnaker) symmetric by definition, tack and luff are side pole (after jibe so do these terms mean the same most of sails).
The operating principle of a sails depends on the speed of vessel, that is to say the direction of ship to wind. A sails works in two ways: Either flow attached which shows a phenomenon of lift to paces from close to reaching, Is flowing hook, and a board that we would position perpendicular to wind. This is the mode that looks grand and dropped downwind.
When the ship away from the wind, the flow along sails can "win." The wind literally pushes sails. To obtain maximum propulsion, it is then necessary to orient the web so as to be differently perpendicular to axis of wind. It should also set sails so that it is as hollow as possible. Extremely hollow sails were designed for this purpose, such as spinnakers (or "spinnakers") or gennaker.
At its inception this veil was little different from the square sails, his yard is horizontal, but with significantly improved performance upwind, including "topping lift" of yard, that is to say, the yard becomes more vertical in approaching the axis of mast.
The maximum angle of deflection that can obtain is equal to angle of incidence of wind relative to axis of vessel. It is against-productive effect of sails border beyond the axis of vessel. The actual angle of deflection depends on the ability of air to follow the profile of sails. If the radius of curve is too short to follow the depression on the upper surface becomes too strong, and the air picks (tends to take the wind direction).
It is found in the early twentieth century in, in northern Brittany, in particular the number of cutters fishing inBay of Morlaix; ex. Joan of Arc, launched in 1909. The advantage of this simple to implement rig is a certain lightness, excellent performance of near-like while maintaining a large area of canvas suitable for speed (first come port obtained the highest price for their catch, fresh issue as well).
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