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 NEWS

In one of the biggest NOOD events we’ve seen in years, Annapolis provided all the necessities for fun this weekend, leaving sailors on over 200 boats exhausted yet happy with… Read More

Charleston Race Week 2017 saw 213 boats registered, which made for a fun and exciting week of racing! The J/24, J/70, and Melges 24 fleets were the largest this year with a… Read More

The San Diego NOOD was an all around success. Beautiful conditions gave sailors the opportunity to enjoy the fresh west coast air and all the things southern California has to offer…. Read More

Bacardi Sailing Week is a wrap in Miami, Florida! Onsite support from North Sails Regatta Services included pre-event practice days and post-racing debriefs for select fleets. The event kicked off early… 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

John Bowden

Charleston, South Carolina john.bowden@northsails.com
Viper 640 headshot

Ched Proctor

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

Charlie Cumbley

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

Viper 640 TUNING GUIDE