V-Series Asymmetric Downwind

North's powerful new V-Series asymmetrics are descendants of our dominant America's Cup designs. They were designed using a revolutionary twisted flow wind tunnel jointly developed by North Sails, Team New Zealand, and the University of Auckland. The result is a spinnaker that delivers more power and more stability over a broader wind spectrum, which is especially important for today's generation of lighter, faster-accelerating boats.

North V-Series Asymmetrics are available in five different "codes" that allow you to match your asymmetric to your style of racing. North's CODE 2A and 4A Runner molds, for instance, are larger and fuller than the CODE 1A, 3A and 5A Reachers, with maximum girth carried higher up in the head of the sail. This helps rotate the sail to windward, out from behind the mainsail for improved performance at the deeper wind angles commonly sailed in windward / leeward courses.

A1

VMG Light Runner (Reduced Size)
Usually for use in less than 10-12 knots TWS
Typical Midgirth 85-95% of Foot
AWA 65-95

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A2

Medium Runner (Maximum Size)
Usually for use in 10-20 TWS
Typical Midgirth 95-105% of Foot
AWA 90-135

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A3

Masthead Reaching Gennaker
Usually for use up to 20TWS (Dependant on Angle)
Typical Midgirth 75-85% of Foot
AWA 70-110

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A4

Heavy Runner (Maximum Size)
Usually for use over 18 TWS
Typical Midgirth 100-107% of Foot
AWA 115-160

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A5/A6

Fractional Reaching Gennaker (A5), Fractional Running Gennaker (A6)
Usually for use over 18TWS (Dependant on Angle)
Typical Midgirth 75-85% of Foot (A5) 85-100% (A6)
AWA 80-120 (A5), 110-160 (A6)

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Standard Available Options:

Stainless steel rings with strap reinforcement
True Radial construction with 1-3 belly panels (depending on 'I' dimension)
Premium strip patches
Low stretch Dacron leech tape
Polyester Leech and Foot cords
Luff cords
North Box Turtle

Extra Options:

IMS Measurement
Retriever patch
Sail numbers and/or insignia
Custom artwork and graphics
Snuffer

© North Sails	Cuben Fiber™ Cuben Fiber™ is a proprietary laminated sailcloth manufactured by North Cloth in which fiber that is originally manufactured as a yarn (many small filaments bundled together in a larger thread) is spread into a flat tape of sideby- side filaments. Cuben Fiber tapes are typically produced from Dyneema (Spectra), but are sometimes made using other fiber types such as carbon and aramid. For more information on Cuber Fiber, click here.

Cuben Fiber™

Cuben Fiber™ is a proprietary laminated sailcloth manufactured by North Cloth in which fiber that is originally manufactured as a yarn (many small filaments bundled together in a larger thread) is spread into a flat tape of sideby- side filaments. Cuben Fiber tapes are typically produced from Dyneema (Spectra), but are sometimes made using other fiber types such as carbon and aramid. For more information on Cuber Fiber, click here.

NOTE: Different rating rules treat Asymmetric and Symmetric spinnakers differently, and there are times when a boat may be better served by an All-Purpose Symmetric Reacher/Runner. Your North representative can help you make the best choice for your boat and crew.

All North Asymmetric spinnaker panels are computer molded, both horizontally and vertically, resulting in an exceptionally fair shape, and are optimized with North's exclusive Flow™ and Membrane™ computer simulation programs, which analyze pressure and stresses on the sail at various wind speeds and angles.

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