Hansson 31 Information, Review, Specs

Sailing Performance & Handling

The sailing characteristics of the Hansson 31 are defined by Håkan Södergren’s signature approach: a deep, efficient lead keel and a powerful fractional rig. Typically equipped with a 7/8ths fractional setup, the boat allows for precise mainsail control and easier headsail trimming compared to the large masthead genoas of the 1970s. The boat’s displacement-to-length ratio suggests a nimble hull that responds quickly to gusts, while its ballast ratio—often exceeding 40%—provides the stiffness necessary to carry sail well into the upper teens of true wind speed.

On the water, the Hansson 31 is noted for its exceptional tracking ability and "feel" through the tiller. According to technical insights from Södergren Yacht Design, Södergren’s hulls from this period focused on minimizing drag, which allows the Hansson 31 to maintain momentum through a chop that would stall lighter, flatter-bottomed coastal cruisers. Owners frequently report that the boat excels on a beat, pointing higher than many modern equivalents, though its narrow beam makes it more sensitive to weight distribution than a modern wide-stern design.

Interior Comfort & Variations

The interior of the Hansson 31 reflects the traditional Swedish craftsmanship of the 1980s, characterized by extensive use of warm teak and a functional, sea-going layout. The standard configuration features a classic V-berth forward, a central saloon with settee berths, and a compact galley and navigation station flanking the companionway. Because of its performance-oriented hull, the Hansson 31 does not offer the standing headroom of a 35-foot yacht, but it provides a cozy and secure environment for a crew of four.

Variations of the hull exist under different naming conventions, often tied to the specific yard that finished the interior. The Hansson 31 AC (Aft Cabin) is the most notable sibling, which attempted to squeeze an enclosed aft sleeping area into the design, though this often compromised the cockpit locker space. There is also a close lineage shared with other Södergren designs of the era, such as the Finngulf and the early Tarac models, which share similar underwater profiles and performance DNA.

Known Issues & Buyer’s Checklist

Prospective buyers of a Hansson 31 should approach the purchase with a focus on the structural integrity of a 40-year-old performance yacht.

• Grid and Keel Bolts: Given its deep keel and performance pedigree, it is essential to inspect the internal glass-reinforced plastic (GRP) grid for any signs of "keel smile" or structural cracking that could indicate a previous grounding.
• Teak Deck Longevity: Many Hansson 31s were delivered with laid teak decks. After four decades, these decks often reach the end of their service life. Check for thinning wood, failing bungs, and signs of water ingress into the core.
• Saildrive Diaphragm: Most units were fitted with Volvo Penta engines and saildrives. The rubber diaphragm seal should be checked for its replacement date, as insurance companies often require these to be swapped every seven years.
• Rudder Bearings: The spade rudder is high-aspect and efficient, but the bearings can develop play over time, leading to a vibration or "clunk" at the helm.

Community & Resources

While there is no singular English-language "Hansson 31 Association," the boat is a staple within the Swedish sailing community. Technical data and historical context are frequently documented by the Sällskapet Hanssonseglare (Hansson Sailors Society), a regional group dedicated to the various models designed by Södergren. Additionally, the broader Södergren Design community provides a wealth of knowledge regarding the rig tensions and tuning necessary to get the most out of this specific hull shape.

The Verdict

The Hansson 31 remains a compelling choice for the purist who values sailing sensation and windward performance over interior volume. It is a "sailor’s boat" that rewards a subtle touch and careful sail trim.

Pros

• Exceptional Pointing: One of the best upwind performers in its size and vintage.
• Build Quality: Solid Swedish construction with high-grade joinery.
• Timeless Aesthetics: The low coachroof and graceful lines remain attractive decades later.

Cons

• Limited Interior Volume: Narrow beam and low profile result in less "living room" than modern 31-footers.
• Age-Related Maintenance: Teak decks and original saildrives require significant investment if not already updated.
• Availability: Hard to find outside of the Baltic and Northern European markets.