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.
That's why sailors always changing their settings to keep them as close as possible the separation sails without the to stall. This requires constant attention, because the setting must be adapted to changes in speed, heading, and wind changes. Strands of wool or ribbons (favors) are often set in various parts of hollow sails to materialize flow nets wind, and report the stall.
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 force exerted by wind on sails is roughly perpendicular to chord of sails plan. The component of force which is parallel to axis of vessel is the propulsive force. The other component, perpendicular to axis of vessel tends to cause it to drift, but can also cause property (band) (the ship leans on its side), and can dangerously compromise its balance or capsize.
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.
If the boat downwind, speed tends to reduce the apparent wind. Thus, contrary to intuition, this rate is not faster because it is not possible to go faster than the true wind. The fastest way to get to a point downwind way is then sometimes tacking in a direction slightly away from the axis of wind (broad reach), which increases the apparent wind. Downwind, the wind on sails tends to push the front of boat.
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).
To avoid when the wind increases, it moves the center of gravity towards the rear, moving crew, use of ballast, for example, depending on the size of boat. It also guides the back and center of buoyancy sailing (or tilt mast rake). Depending on the time and place, the shape of sails vary significantly. The theoretical shape with the best performance in attached flow is a half vertical ellipse whose base touches the surface of water.
That's why sailors always changing their settings to keep them as close as possible the separation sails without the to stall. This requires constant attention, because the setting must be adapted to changes in speed, heading, and wind changes. Strands of wool or ribbons (favors) are often set in various parts of hollow sails to materialize flow nets wind, and report the stall.
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 force exerted by wind on sails is roughly perpendicular to chord of sails plan. The component of force which is parallel to axis of vessel is the propulsive force. The other component, perpendicular to axis of vessel tends to cause it to drift, but can also cause property (band) (the ship leans on its side), and can dangerously compromise its balance or capsize.
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.
If the boat downwind, speed tends to reduce the apparent wind. Thus, contrary to intuition, this rate is not faster because it is not possible to go faster than the true wind. The fastest way to get to a point downwind way is then sometimes tacking in a direction slightly away from the axis of wind (broad reach), which increases the apparent wind. Downwind, the wind on sails tends to push the front of boat.
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).
To avoid when the wind increases, it moves the center of gravity towards the rear, moving crew, use of ballast, for example, depending on the size of boat. It also guides the back and center of buoyancy sailing (or tilt mast rake). Depending on the time and place, the shape of sails vary significantly. The theoretical shape with the best performance in attached flow is a half vertical ellipse whose base touches the surface of water.
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