![]() Quantum has even created a whole new line of reaching and running downwind sails geared towards cruisers to help make the decision clear and simple when considering adding a specialty sail to your inventory.Ī code zero is a code zero is a code zero, right? Not so. We find that once introduced to the code zero, cruisers will use this sail more than any other on the boat. True downwind spinnakers can be unruly and intimidating for a shorthanded or novice crew, but the range and furling ability of the code zero make it a fantastic sail for a weekend outing. A code zero is strictly a racing sail.Ĭruisers of all ilks have taken to the sail for its range and ease of use. A screecher is larger, higher clewed, and fuller than a genoa but flatter than a typical code zero.ģ. Catamarans and trimarans have notoriously small jibs, making them grossly underpowered in light breeze. A screecher is specifically a multihull term for a very large, very flat sail for going upwind or just cracked off. A screecher and a code zero are the same thing. Gennaker is just a general term for a potential downwind sail, a cross between a Genoa and an asymmetrical spinnaker. The term gennaker can cover a code zero, screecher, or reaching spinnaker. Code zero is another name for a gennaker. We sat down with Quantum’s VP of Product Integration and sail designer Doug Stewart to educate us on the code zero.ġ. There are a lot of things we think we know about a code zero, many of which aren’t true, or, at least, not always true. Some are built of nylon, while others use heavier, stronger composite materials. Code zeros have characteristics of an upwind sail but are classified as a downwind sail. They are often referred to as a gennaker or a code sail. ![]() It was born in the Volvo Ocean Race, back when it was still called the Whitbread-Around-the-World Race. The code zero has only been around for about 25 years. Read on as we clear up some of the most common myths and misunderstandings about code zeros. ![]() There are many misconceptions about these downwind reaching sails, so it's time to get familiar and comfortable with them – code zeros might just be the perfect addition to your downwind sail inventory. Genrell you can say that the perfect wind angle for a spinnaker is between 180 and 130 degrees wind angle.What exactly is a code zero? Code zeros are only used on racing boats, right? Aren't they pretty expensive and difficult to get up and down? If you've pondered any of these questions, you are not alone. Spinnaker made of light cloth for low wind, and heavy cloth for more wind. Full and bulbous designs for more power before the wind. Flat cuts with which you can sail higher in the wind. Of course there are many different sail designs for spinnakers. There are different designs for spinnakers. If the target is directly in front of the wind, it can be faster to cross in front of the wind and to jibe more often. Wind speed and boat speed do not cancel each other out as much. If you change course to a wind angle of 160 degrees instead of 180 degrees, the wind vectors change. If 10 knots wind speed blows and you have a boat speed of 4 knots, the true wind is only 6 knots strong. However, directly in front of the wind, the wind speed and the speed the boat makes through the water cancel each other out. ![]() So that the wind comes directly from the stern. With a spinnaker you can easily sail with a wind angle of 180 degrees. If your boat is equipped with spinnaker equipment, you will have a perfect downwind angle. ![]()
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