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Maxi 77
Designer: Pelle Petterson  ·  Builder: Maxi Yachts / Börjesson Brothers  ·  First built: 1972
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About the Maxi 77

Documentation on the Maxi 77 remains scarce in sailing archives, making this vessel something of an enigma for prospective buyers and sailing enthusiasts. What little information exists suggests this boat emerged during an era when builders were experimenting with larger cruising designs, though specific construction details and design philosophy remain elusive. Given the "77" designation, this sailboat likely falls into the substantial cruising category, potentially suited for serious coastal passages and possibly offshore work. Boats of this apparent size class from various builders during past decades often featured spacious accommodations and robust construction intended for extended voyaging. The limited availability of specifications presents both challenges and opportunities for interested sailors. While thorough research proves difficult, this scarcity might indicate either a small production run or a boat that has simply faded from common sailing knowledge. Potential buyers would need to conduct extensive individual research and hands-on inspection to fully understand the vessel's capabilities, construction quality, and sailing characteristics. For those considering a Maxi 77, connecting with experienced surveyors familiar with boats from similar periods would be essential to properly evaluate this somewhat mysterious sailing vessel.

Core Dimensions
LOA (Length Overall) 25.26 ft / 7.70 m
LWL (Waterline Length) 22.15 ft / 6.75 m
Beam 8.20 ft / 2.50 m
Max Draft 4.75 ft / 1.45 m
Displacement 4,409.00 lb / 2,000 kg
Ballast 1,764.00 lb / 800 kg
Sail Area (Reported) 269.10 ft² / 25.00 m²
Design & Construction
Hull Type Fin w/transom hung rudder
Rigging Type Masthead Sloop
Construction FG
Designer Pelle Petterson
Builder Maxi Yachts / Börjesson Brothers
First Built 1972
Last Built 1983
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
240
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
16.06
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
17.9
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
2
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. 6.31
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
2.79
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. 648.98
Rig Dimensions
I (Foretriangle Height) 30.1
J (Foretriangle Base) 10.94
P (Mainsail Luff) 24.61
E (Mainsail Foot) 8.2
SA Fore 164.65
SA Main 100.9
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