Symmetrical Spinnakers

Many sailors swear that using a symmetrical spinnaker is a blissful experience. Imagine throwing up the chute with beautiful colors on display for all to see on a sunny, light wind day just cruising along the water in a dead downwind run. Sounds pretty great, right?

Symmetric spinnakers are a great choice for cruisers, however, they do require more experience and crew to handle and set up properly. The symmetrical sail is just as it sounds, both sides are identical on either side of its vertical center line. Often the use of a spinnaker pole and multiple lines to precisely control the sail is required. That’s why asymmetric spinnakers, in most cases, are more effective at going faster and can be simpler to use.

Cruisers are not the only ones to benefit from a symmetrical spinnaker. Because there is so much trimming potential, experienced racing crews can get a lot out of this sail.

When considering what kind of symmetrical spinnaker you want, it’s important to really think about what you’re planning to do with your boat. Make sure to also assess what gaps you have in your sailing inventory when making a decision. Precision Sails offers 7 size options for our Symmetrical sails, explore all of our symmetrical sail options below.


Symmetrical Spinnaker

Standard Size

This is our standard sized symmetrical all purpose spinnaker. It’s a good option for cruisers who need a spinnaker with the widest possible range of uses. This stable sail benefits from a cross section shape that is elliptical and easy to trim with a maximum projected area and medium depth of camber that works with a combination of broad and reaching angles. Designed for apparent wind angles of 120-180 degrees, this Spinnaker includes a full radial panel layout and requires a spinnaker pole. To create a larger area for advantage in average wind conditions (8-15 knots AWS), the symmetrical spinnaker is designed to have a more spherical profile that projects better to windward on a run. This is made possible specifically by its mid girth being significantly larger than its foot girth.

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S1 Light Reacher

The Code 1 Symmetrical Spinnaker is a Light Air Reaching sail. Designed with narrower girths in the upper part of the sail, medium fullness, and moderate head angle for added stability in light winds, this sail is meant to sail closer to the rig and allow for deeper wind angles. The S1 Light Reacher is manufactured from light spinnaker cloth and is best for a 60 – 120 Apparent Wind Angle and a 0 – 7 Apparent Wind Speed.

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S1.5 Light Runner

This light air runner takes advantage of a slightly larger upper section and girth to allow for more diversity in available angles while sailing downwind. Sailed close to the rig but not as close as an S1, this sail is made from light spinnaker cloth.

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S2 Medium Runner

The Code 2 Symmetrical Spinnaker is a Medium Air / All Purpose Running sail. This sail covers the largest range of apparent wind angles and speed. It is designed with maximum fullness and large head angle with big shoulders so that they fly with maximum projection and power. The top 10% of the sail is flatter than the rest of the sail. This sail will fly windward away from disturbed air of the mainsail and rig. It’s best for 115 – 170 Apparent Wind Angle and 6 – 18 Apparent Wind Speed.

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S3 Medium Runner

The Code 3 Symmetrical Spinnaker is a Medium Air / All Purpose Reaching sail. This design is much flatter with a smaller head angle and less shoulders than a running spinnaker. This allows it to sail at tighter apparent wind angles. It’s best for 55 – 105 Apparent Wind Angle and 3 – 20 Apparent Wind Speed.

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S4 Heavy Runner

Used for heavy wind running situations,  and S4 Heavy Runner is smaller than an S2 and performs better in heavy wind. It operates best in 110-170° degrees of apparent wind angle and 14-30 knots of apparent wind speed.

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S5 Heavy Runner

The Code 5 Symmetrical Spinnaker is a Heavy Reaching sail. These sails are designed for very heavy running because of their reduced size, flat shape, and extra strong construction. Typically used in pole forward reaching conditions, they are normally manufactured from 1.5 oz. or 2.2 oz. spinnaker nylon or laminate spinnaker fabric for larger boats. The S5 performs best at a 90 – 160 Apparent Wind Angle and a 10 – 22 Apparent Wind Speed.

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Symmetrical Cloth Options

Find Your Dream Spinnaker

Our sail consultants make it easy to understand the differences between the different symmetrical spinnakers. Book a consultation or request a quote for more information about pricing for an symmetrical spinnaker.

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