But then you’re using the sail in parachute/push mode (drag), and you’re not generating any lift.
One last thing about code zeros, if you want to sail really deep angles, you pole them out like a Genoa using a big whiskerpole, you can. The furling line is usually a continuous loop, not a single line, because you have need a lot of turns to deploy and furl it, more than a Genoa on a rigid furler. The furler is usually a bottom up furler, with a flexible Anti-torque line between the top swivel and bottom swivel. (You can’t blanket them in the wind shadows of the mainsail during the hoist, as you can when sailing downwind.). That’s why heavy weight spinnaker nylons 1.5 oz and 2.2 oz) are used in the less expensive ones, with 1.5 oz and heavier laminates used in the pricier ones.Ĭode zeros are almost always used on furlers because they are hoisted while sailing into the wind. The shape is designed for use in light winds up to about 8-10 kts of true wind, which means it has to be strong enough for use in apparent wind speeds of 15 or higher.Ĭodes zeros made of cloths that don’t stretch can sail closer to the wind than stretchier ones. The draft, as mentioned above is deeper and more powerful than a Genoa. The leech is shaped like a skinny spinnaker, with a bump at the shoulder. Shapewise, the code zero has an almost straight luff with just a little bit of round, with a very low stretch, very strong flexible line seized in, around which it can be furled (usually). you can sail as close as 35 or 40 degrees to the apparent wind, which corresponds to more than 50 degrees to the true wind. With a code zero, you can’t sail quite as close to the apparent wind as with a Genoa. It is a very powerful sail that can double your speed through the water in light winds, for example, in 3- 8 nets of true wind. The area is roughly, very roughly, equivalent to 1.5 times as big as a 155% Genoa, and has a deeper draft for more power compared to a Genoa.
Gennaker vs code zero free#
Both of them will reach, if designed to do so.īoth are free flying, meaning you don’t attach them to a structural forestay.įirst of all, a code zero: is designed to be flown is when the apparent wind is approximately at or above the beam. One is specialized for getting upwind in light winds, the other is specialized for getting downwind in light air. One specialized for reaching and higher angles, the other is specialized for reaching and deeper angles. Here we are, near hull speed, wing and wing in Sandusky Bay:Ĭode zeros and asymmetric spinnakers are two very different Sails. When it is the right sail, the asymmetric adds around 2 knots to our speed in light airs - conditions where the iron genny is often the only other alternative. When cruising, we can roll up our genny and shift to the asymmetric in about 10 minutes. When racing, there is usually crew to make any sail changes needed. (A pole can add a little more range off the wind.) An asymmetric will not work close hauled, but its more ballooned shape is optimized for reaching, and works well as described direct downwind.
As we ease off into a reach, our boats are not wide enough to maintain the sail shape. A wing-like sail designed for sailing close hauled needs to be sheeted at an angle close to the relative wind. I don't think there is is any sail that will work from close hauled to running. (65 to 130 degrees off the wind.) It also works wing on wing for dead downwind if the waves are not too big. Once he realized I would not return to racing, he recommended an asymmetric spinnaker for any course reaching or running in light to medium winds. Then we would strike it and return to the jib for the beat back south.Ģ0 years ago, I talking with my sailmaker about what we needed to cruise on our new (to us) '77 h27.
Our first spinnaker experience was on a Rhodes 19 running north in the bay while I was in Navy OCS at Newport. Narragansett Bay is a great memory for the Admiral and me. We're more interested in ease of handling and usability than racing.Īs a bonus question does anyone have a simple breakdown of the different types of "spinnakers, gennakers, 0's, D's etc." so I can better understand their differences/purposes. I know I want to have my cake and eat it too, but is there a sail that is a good all around light wind / down wind sail where I can reasonably point but also use when running? We are a cruising family/boat and are not looking for optimum performance. I'm looking for a general all purpose light wind sail that can be used at most points of sail. I don't know what it actually was but we used it as a light wind "close hauled" sail and for lighter down wind sailing. Growing up we had a sail that my dad called a drifter.
To be upfront I have sailed spinnakers as crew on race boats, but I do not know a ton about them especially all the different types. I also have questions/want to add a sail to my inventory. So I just started another thread about reducing my 150 genoa to a 135.
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