Racing Asymmetric Spinnakers - Evolution Sails
This technique had developed to the extent that in bar conversation at the end of one season Andrew Buckland observed that the 18s had sailed all season without pulling the spinnaker pole back from the forestay and that all the systems could be simplified by eliminating the pole and setting the spinnaker from a fixed but often retractable bowsprit. The concept quickly evolved to a sail with a loose luff much more like a conventional spinnaker than the old jib style asymmetric sails. Julian Bethwaite was the first to rig and sail a boat with one the next season, followed shortly by Andrew Buckland.
The concept has spread rapidly through the sailing world.
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The tack of the sail may be attached at the bow like a genoa but is frequently mounted on a bowsprit , often a retracting one. If the spinnaker is mounted to a special bowsprit, it is often possible to fly the spinnaker and the jib at the same time; if not, then the spinnaker will be shadowed by the jib, and the jib should be furled when the spinnaker is in use. The asymmetric has two sheets , very much like a jib, but is not attached to the forestay along the length of the luff, but only at the corners.
Unlike a symmetric spinnaker, the asymmetric does not require a spinnaker pole, since it is fixed to the bow or bowsprit. Asymmetrics are less suited to sailing directly downwind than spinnakers, and so instead the boat will often sail a zig-zag course downwind, gybing at the corners.
An asymmetric spinnaker is particularly effective on fast planing dinghies as their speed generates an apparent wind on the bow allowing them to sail more directly downwind. It is also particularly useful in cruising yachts in the form of a cruising spinnaker or cruising chute , where the ease of handling is important. From Wikipedia, the free encyclopedia.
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Set up The sail flies outside of the boat and so all lines should be rigged and led outside the shrouds, forestay and stanchions. Hoist Head onto a broad reach so the main and headsail shelter the sail as it is hoisted.blacksmithsurgical.com/t3-assets/legend/zufa-die-schildbuerger.php
The Asymmetric Spinnaker
Trimming Using the tack line, the luff can be tightened when close to the wind and eased when off the wind. To sail on a reach pull in the tack-line to straighten the luff and sheet in. Tactics Asymmetrics get shielded by the mainsail when running downwind so the preferred tactic is to broad reach and sail downwind in a series of gybes. Gybing Gybing an asymmetric is very straightforward. Head onto a broad reach. Ease the tack-line to give greater space between the luff of the asymmetric and the forestay.
Take up the slack on the new sheet and ease the old sheet to pull the clew through the gap between the forestay and the tack line.
Gybe the main and trim the new spinnaker sheet accordingly. Dropping Bear away on to a broad reach. Unfurl the genoa to reduce power in the spinnaker.
Classic Asymmetric Sail Mistakes - And How to Avoid Them
Take hold of the lazy sheet from under the boom and gather the spinnaker as the halyard is eased. Stuff the sail down below deck through the companionway hatch. Choose a course Please select Find books.