The perfect balance of a dinghy and a keelboat - The Viper 640 is a 2-4 person, high-performance sportboat. It is FUN, FAST, EASY and AFFORDABLE.

The Viper 640 is an American trailerable sailboat, that was designed by Brian Bennett for racing and first built in 1996. [1][2][3] The Viper 640 is an accepted World Sailing class boat [4] and …

Used Boats As there are now over 300 Vipers in the world, and more new ones being purchased regularly, there is a robust marketplace for pre-owned Viper 640s in North America and …

Why Choose The Viper 640? The Viper 640 is a two to four person, high-performance sports boat. It is FUN, FAST, EASY and AFFORDABLE. The Viper makes high-performance sailing …

Aug 5, 2002 · Designer Brian Bennett shaped the hull to create a quick-planing and responsive keelboat with a big-dinghy feel. At 21 feet LOA, its sharp, nearly plumb bow and strong …

Designed to determine if a boat has blue water capability. The CSF compares beam with displacement since excess beam contributes to capsize and heavy displacement reduces …

The Viper 640 is a fast, sporty boat that rewards a crew that loves hiking out. What’s involved in crewing? Most boats have three people aboard, and the skipper trims the mainsheet and vang …

Now a World Sailing Class! The Viper makes high performance sailing available to everyone. The open transom bails water instantly, irrespective of conditions. A comfortable cockpit design …

Get ready to conquer the waves with North Sails and the Viper 640 class! As the leading sailmaker, North Sails offer a range of cutting-edge sails, meticulously designed using …

If you are looking for the perfect compromise between the performance of a dinghy and the stability of a keelboat, the Viper 640 sportsboat is the answer. The Viper enables you to sail as …