In a move that underscores the enduring appeal of well-crafted one-design racing, the Viper 640 Class Association has announced SERO Sailing as its new official builder. This transition, reported by Sailing Scuttlebutt, sees the Michigan-based sailboat design and manufacturing firm taking the reins from Rondar Raceboats, who themselves picked up the torch from original builder Viper Boats back in 1996. For a class that has consistently delivered exhilarating, accessible, and tactically rich racing, this change of guard is more than just a procedural update; it’s a strategic play for continued relevance and growth.
The Viper 640, with its distinctive plumb bow, open transom, and powerful sail plan, has long been a darling of the sportboat circuit. Its ability to plane effortlessly downwind, coupled with its responsive handling upwind, makes it a formidable platform for competitive sailors. The class has always prided itself on strict one-design principles, ensuring that racing success hinges on skill, strategy, and boat handling, not on the depth of one’s wallet or the latest exotic material from North Sails or Southern Spars.
SERO Sailing, based in Marine City, MI, now faces the challenge and opportunity of maintaining the Viper’s legendary build quality while potentially exploring subtle enhancements within class rules that could improve longevity or ease of maintenance. For a class that has seen its boats compete in everything from local club races to major regattas, ensuring consistency across the fleet is paramount. This appointment signals a commitment from the class leadership to not only preserve the Viper 640's legacy but to propel it forward, attracting new talent and keeping the current fleet engaged in the kind of tight, high-octane racing that has defined it for decades. The sailing world will be watching to see how SERO Sailing upholds the Viper's reputation for delivering champagne sailing on a beer budget.





