Winning Viper 640 One Design Sails You Can Trust

Your Viper already thrives in light air or chop. Now make the most of the boat’s powerful sail plan with sails from North. With multiple cuts to choose from, you’ll find the ideal mainsail for the conditions. Combine those with your trusted North jib and spinnaker, and feel the performance of your Viper 640.

Viper 640 SAILS

We have fast sails for your boat. Please contact an expert or request a quote.

Viper 640 NEWS

The 2021 Viper 640 North American Championship, hosted by Noroton Yacht Club, took place for the first time since 2019. Spanning from October 7th through the 10th, competitors saw a… Read More

Boat speed was the name of the game at the inaugural Viper 640 Women’s North American Championship this past weekend at Noroton Yacht Club in Darien, CT. The background of… Read More

In this webinar, North Sails experts Zeke Horowitz and Brian Hayes explain and demonstrate basic rules according to the US Sailing “Racing Rules of Sailing”. Using a whiteboard, Zeke re-creates… Read More

North Sails Viper 640 experts, led by reigning World Champion Jackson Benvenutti and former World Champion Zeke Horowitz with help from Annapolis NOOD Champion Austin Powers, have been hard at… Read More

Class Experts Zeke Horowitz, Austin Powers, and Jackson Benvenutti give the latest on tuning and trimming tips, and how to put yourself at the front of the pack.  

Biscayne Bay is a great place to sail in March. Whether you’re a newbie to sailing in South Florida or a seasoned veteran, we’ve collected some of our best advice—both… Read More

Viper 640 Results

2021 Victory
North American Championship
Mark Zagol
1, 2, 3, 6, 7*, 9
2021 Victory
NOOD Annapolis
Tyler Moore
1, 2, 3, 4, 5, 7, 8, 9, 10, 11
2020 Victory
AYC Fall Series #1
Bill Vickers
1, 2, 3, 4
Are you a class champion? We would love to add your name to the #NSVictoryList.

Viper 640 CLASS EXPERTS

Viper 640 Class Experts

Viper 640 headshot

Charlie Cumbley

Gosport, United Kingdom Manufacturing – Gosport, UK Charlie.Cumbley@northsails.com
Viper 640 headshot

Ched Proctor

Steelpointe Harbor, Connecticut ched.proctor@northsails.com
Viper 640 headshot

John Bowden

Charleston, South Carolina john.bowden@northsails.com

Viper 640 TUNING GUIDE