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Viper 640
International
Class Association
Why Viper
About Viper 640
Design
FAQs
How It Compares
What People Are Saying
Sailing Tips
Ratings
Boats + Sails
Demo Sails
How to Buy
The Builder
Used Boats
Sailmakers / Parts Suppliers
Tuning Guide
Class
About the Class
Constitution & Bylaws
Class Rules
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Bow Numbers
Electronic Devices
Join the Class
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Class Newsletter
Major Championships
Find a Fleet
Events
Media
Video
Photos – The Boat
Photos – Events
News
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Forum
Sailmakers / Parts Suppliers
Class Approved Sailmakers
Doyle Sails
Elliott / Pattison Sailmakers
Ian Short Sails
Hyde Sails
North Sails
Quantum Sails
Schurr Sails
Skid Sail DESIGN, Western Australia
Ullman Sails
UK Sailmakers
Dealer/Builder
SERO Sailing
Parts Suppliers & Rigging
SERO Parts
Boat Covers etc
The Sailor’s Tailor