Design and Construction
Both hull and deck are solid fiberglass, and the keel itself is iron rather than lead. The 4.92-to-5.22-foot draft varies with load, which keeps the boat within reach of most marina approaches despite the fin configuration. The length-to-beam ratio of 3.19 and a displacement-length ratio of 164 mark the hull as narrow-ish and very light for its waterline; the wetted surface runs about 215 square feet. At 632 pounds per inch of immersion, the hull sits sensitively in the water but is not unusually tender for its type. The Motion Comfort Ratio of 16.4 is low, confirming that this is a lively, athletic platform rather than a soft-riding cruiser.
Rig and Handling
The fractional sloop rig is the headline story. With the ISO reference sail the sail-area-to-displacement ratio is 21.2, rising to 24.5 with a 135 percent genoa, and the design carries more rig than 96 percent of similar sailboats, making it significantly overrigged for its size. That sail plan translates directly into pace: the Relative Speed Performance index of 98 means the Inferno 26 is quicker than 98 percent of comparable designs, and its theoretical displacement-hull speed is 6.3 knots. The capsize screening value of 2.04 is high enough that the boat would not qualify for ocean races, a useful boundary for anyone eyeing offshore ambitions. Halyard and sheet specifications are uniform and generous — all three halyards run 26.8 m of 8 mm line, while the 19.8 m mainsheet and 7.9 m genoa sheets are 10 mm — so the deck gear is sized for real loads.
Performance Profile
The numbers behind the Inferno 26 describe a boat built to accelerate. The light displacement and tall fractional rig produce a turn of speed that few 26-footers of the period could match, while the low comfort ratio tells you the trade is motion: short, quick, occasionally skittish in a chop. The fin keel and spade rudder give it the agility those stats imply, but the capsize screen is a reminder that the envelope is coastal and sporty, not expeditionary.
Accommodations and Layout
The boat's size and light-racer categorization suggest a minimal cruising interior appropriate to a 26-foot racer-cruiser.
Known Issues
The iron keel invites surveyor attention for corrosion or previous repair.
The Verdict
The Inferno 26 is a genuinely fast small racer-cruiser whose Södergren lines and overrigged fractional setup deliver speed few peers can touch. It is a coastal, lively craft best suited to sailors who prize acceleration and handling over motion comfort or bluewater credentials.
Pros
- Significantly overrigged fractional sloop; faster than 98 percent of similar designs
- Light, agile fin-keel platform with spade rudder
- Solid fiberglass hull and deck; manageable 4.9–5.2 ft draft
Cons
- Capsize screening of 2.04 excludes it from ocean racing
- Motion Comfort Ratio of 16.4 means a busy ride








