Inferno 26 Sailboat Review, Specs, and Listings

Håkan Södergren·1984
Inferno 26 drawingBuilder drawing
Hull Type
Monohull · fin
Rig
Fractional Sloop
LOA
25.92' · 7.9 m
Disp.
4,078 lbs · 1,850 kg
First year
1984

The Inferno 26 — also sold as the Tabasco 26 — is a 25foot10inch Swedish design from the mideighties, drawn by Håkan Södergren as a lightdisplacement fractionalsloop that punches well above its length on the speed dial. With a waterline of 22 feet 4 inches and a beam of just over 8 feet, it carries 1,653 pounds of iron ballast in a fin keel and displaces roughly 4,078 pounds, giving a ballast ratio near 41 percent. Those numbers place it firmly among the "light racers" of its era rather than cruising ballast monsters, and the boat reads as a sharpedged pocket performer first and a weekender second.

Measurements

Dimensions 01

Length Overall
25.92 ft
Length on deck
Waterline Length
22.31 ft
Beam
8.14 ft
Draft
4.92 ft
Maximum Headroom
Air Draft

Construction & hull 02

Construction
Fiberglass
Hull Type
Monohull
Keel Type
Fin
Rudder
1× Spade
Ballast
1,653 lbs (Iron)
Displacement
4,078 lbs
Water Capacity
Fuel Capacity

Rig & sails 03

Rigging Type
Fractional Sloop
Mainsail luff
33.46 ft
Mainsail foot
11.15 ft
Foretriangle height
31.5 ft
Foretriangle base
10.17 ft
Forestay Length (estimated)
33.1 ft
Sail Area
347 sqft

Calculations 04

Sail Area to Displacement Ratio
21.75
Ballast to Displacement Ratio
40.53
Displacement to Length Ratio
163.95
Comfort Ratio
16.49
Capsize Screening Ratio
2.04
Hull Speed
6.33 kn

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

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