Welcome to the Viper 640 Class

The Viper 640 is a high-performance one-design sport boat.
At 21 feet long and only 748 lbs, it combines the stiffness of a keelboat with the acceleration and planing abilities of a dinghy. The design mandate was "Simple, Clean and Effective".  The Viper has a precise and exhilarating feel on the helm, a spacious cockpit for 3 people, strict one-design class rules and ease of launching by ramp or hoist.


Want to test drive a Viper 640? Find and contact one of our builder's reps to go for a ride near you.  Life is too short to sail slow boats!
Viper 640 fun at the Newport Regatta

EFG Bank Pan American Championship

Click here for all the information about the 2014 EFG Bank Viper 640 Pan American Championship, presented by Rondar Raceboats.

How to Buy a Viper

Buying a Viper 640 is easy! Our sole Class approved builder, Rondar Raceboats, has reps covering all of North America. They're all enthusiastic Viper owners who are here to help introduce you to the Viper with a demo sail and guide you through the process of buying your own Viper 640. CLICK HERE to locate and contact the rep nearest you!

Upcoming Major Events

Pacific Coast Championship / LBRW
Long Beach, CA
June 27-29

New England Championship / Marblehead NOOD
Corinthian YC
July 25-27

2014 San Diego NOODs Newcomers Dominate
Written by Alex Steele   
Thursday, 03 April 2014 21:50

Wow, what a fun regatta!! This was our second regatta in the Viper and it was a great one. The weather for the San Diego NOODs was nearly perfect with mild temperatures, clear skies, and good wind. the race committee ran nine quality races over three days. Coronado Yacht Club is a great venue and their hospitality gracious. We came out of the gate pretty hot and on day one that saw us win two races and a third in the last race. We were closely followed by Kevin Taugher & Chuck Tripp's 'Hot Mess' and Mark Folkman's 'Slitherin'.

Miami Sailing Week - On Like Donkey Kong
Written by International Viper Class Press Office - USA Headquarters   
Thursday, 06 March 2014 22:08

Miami.  In.  March.  The revamped EFG Pan American Championship with a winner-take-all one regatta finale.  Palm trees.  Bacardi.  Bacardi Girls.  Did we say Miami in March already?  After a weekend tune-up with the EFG Winter Cup for the 11 teams who got to town early, and a "Scorch" "race" (i.e., a chance to reach with fellow Viperers in various states of sobriety to lunch on Key Biscayne and back), racing got underway on Thursday.

(Photo at left: Class Governor Justin Scott gets the photo of himself sailing in Miami that he always wanted - bow up, sponsor logos highly visible - though looming storm clouds darken the normally turquoise waters)

SoCal Midwinters @ Cal Yacht Club
Written by John Leyland   
Wednesday, 26 February 2014 00:05

The second stop on the 2014 West Coast Viper circuit was the Southern California Mid Winters hosted by the California Yacht Club in Marina Del Rey. Mark Folkman and his crew on #130 Slitherin, fresh off their triumph at the Arizona Yacht Club’s Birthday Regatta and Leukemia Cup looked to continue their winning ways. In their way were 10 other Vipers. Boats started arriving on Friday afternoon with Timbo Carter being a great help in bringing #191 over from Glenn Griley’s warehouse as my crew and I flew in from Vancouver.

Saturday morning arrived with perfect paddle boarding conditions, warm and windless but a westerly eventually found its way down the channel to get us out into the Pacific off of Venice Beach. The breeze didn’t last long and the race committee postponed for a little over an hour until the sea breeze filled in again, this time to a roaring 8 knots or so. Race 1 saw Jay Golison on It’s All Good leading the way followed by newbie Alex Steele on his newly acquired #153 Last Call finishing second and Mark Folkman in third.

EFG Winter Cup March 2nd-3rd Miami
Written by Peter Bauer   
Sunday, 23 February 2014 20:08

The NOR for the Winter Cup has been published on the forums on the "Miami" thread and on the EFG Pan American website.

This is a two day event on Sunday and Monday as a precursor to the Pan American Championships on Thursday thru Saturday.

The Winter Cup counts as a qualifying event for the Pan American Championship and stands as a regatta in its own right. EFG have donated a "Winter Cup" perpetual trophy and there will be awards for first through fifth place.

The Winter Cup is also the second stop on the Florida Winter Circuit.

On Tuesday, between the Winter Cup and the Pan American Championships, we will be hosting the MIAMI SCORCH.

On a final note, all competitors who enter both the Winter Cup and the Pan Ams will receive $25 off from launching and hauling fees at USS Center.

We look forward to seeing you there!

South of the Border - Down Sarasota Way
Written by Dave Banyard   
Sunday, 23 February 2014 19:09

No Polar Vortex!  591 miles ahead!

Many of you will be making the annual pilgrimage past “South of the Border” this year on your way to the southern circuit of Miami and Charleston.  As part of our southern hospitality package, we’d like to cordially invite all of you to join us in Sarasota on both sides of Miami for some great Viper racing in Sarasota Bay.  In case you need further convincing, our billboard enticements include:

· Store your boat before and after Miami at the Sarasota Sailing Squadron for $85 per month or $6.50 per day for shorter term (not a typo or a gimmick!).

· No Polar Vortex – While Chicago and  New York were sub-zero,  Sarasota was in the high-50’s.  Since then, we’ve been in the high 70’s.

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