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Maxi 108
Designer: Pelle Petterson  ·  Builder: Maxi Yachts / Börjesson Brothers  ·  First built: 1979
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About the Maxi 108

With limited specifications readily available, the Maxi 108 represents one of the lesser-documented entries in the sailing yacht market. The "108" designation typically indicates the boat's length, suggesting this is a substantial vessel likely designed for serious blue-water cruising or performance sailing applications. Based on the Maxi nomenclature, this sailboat would be expected to offer generous interior space and robust construction suitable for extended offshore passages. Vessels in this size range generally feature comprehensive sail handling systems, substantial fuel and water capacity, and accommodations designed for extended time aboard. The limited availability of detailed specifications may indicate this model had a smaller production run or represents a more specialized design catering to specific market needs. Prospective buyers researching the Maxi 108 should focus on conducting thorough individual vessel surveys, as boats of this caliber often feature custom modifications and varying equipment levels that significantly impact their capabilities and value. Given the substantial size implied by the model designation, potential owners should consider their experience level with larger sailing vessels and ensure they have appropriate berthing facilities and maintenance resources available.

Core Dimensions
LOA (Length Overall) 35.27 ft / 10.75 m
LWL (Waterline Length) 29.92 ft / 9.12 m
Beam 11.15 ft / 3.40 m
Max Draft 5.74 ft / 1.75 m
Displacement 14,330.00 lb / 6,500 kg
Ballast 5,512.00 lb / 2,500 kg
Sail Area (Reported) 609.00 ft² / 56.58 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Pelle Petterson
Builder Maxi Yachts / Börjesson Brothers
First Built 1979
Last Built 1984
Owner Reviews

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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
147
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
16.58
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
28.3
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
1.84
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 7.33
S# (Speed Number) The Speed Number (S#) is a quick performance index. Higher values indicate a faster, more powerful design relative to its size.
Under 3.0 — Slow cruiser3.0–5.0 — Average cruiser5.0–7.0 — Performance cruiserOver 7.0 — Racer
2.24
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 1.0
Rig Dimensions
I (Foretriangle Height) 47.5
J (Foretriangle Base) 14.4
P (Mainsail Luff) 41.1
E (Mainsail Foot) 13.0
SA Fore 342.0
SA Main 267.15
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