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Sun Magic 44 Jeanneau
Designer: Daniel Andrieu  ·  Builder: Jeanneau (Fra)  ·  First built: 1987
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About the Sun Magic 44 Jeanneau

Designed by Daniel Andrieu and built by French shipyard Jeanneau starting in 1987, this 44-footer represents solid coastal cruising performance from the late 1980s era. The Sun Magic 44 stretches 43.75 feet overall with a waterline length of 34.75 feet, creating a hull that balances comfort with reasonable sailing performance. With a displacement of 22,050 pounds and ballast of 8,155 pounds, this fiberglass cruiser offers the stability expected for extended coastal passages while maintaining manageable handling characteristics. The fin keel and spade rudder configuration provides responsive steering, while the masthead sloop rig with 779 square feet of sail area delivers respectable performance in varied conditions. The boat's comfort ratio of 27.29 indicates a motion that favors cruising over racing, making long passages more pleasant for crew and guests. A capsize screening formula of 1.99 suggests good stability for coastal and offshore work, though like most cruising boats of this era, it's better suited for coastal exploration than extreme offshore passages. The SA/Displacement ratio of 15.91 places it squarely in cruising boat territory—not a speed demon, but capable of moving well in moderate winds. With hull speed calculated at 7.90 knots, the Sun Magic 44 offers reliable passage-making ability for cruising couples or families.

Core Dimensions
LOA (Length Overall) 43.75 ft / 13.34 m
LWL (Waterline Length) 34.75 ft / 10.59 m
Beam 13.92 ft / 4.24 m
Max Draft 6.96 ft / 2.12 m
Displacement 22,050.00 lb / 10,002 kg
Ballast 8,155.00 lb / 3,699 kg
Ballast Type Iron
Sail Area (Reported) 779.00 ft² / 72.37 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Daniel Andrieu
Builder Jeanneau (FRA)
First Built 1987
Related Sailboats Sun Odyssey 44 (Jeanneau)
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Performance Ratios
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
 15.91
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
 36.98
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
 234.58
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
 27.29
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
 1.99
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. 7.90 kn
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
 2.21
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. 1,728.38 pounds/inch
SA/Displacement (Calc) Calculated Sail Area to Displacement ratio using actual measured sail dimensions rather than reported values. More precise than the reported SA/Disp figure. 15.92
Rig Dimensions
I (Foretriangle Height) 51.51 ft / 15.70 m
J (Foretriangle Base) 16.57 ft / 5.05 m
P (Mainsail Luff) 44.79 ft / 13.65 m
E (Mainsail Foot) 15.75 ft / 4.80 m
SA Fore 426.76 ft² / 39.65 m²
SA Main 352.72 ft² / 32.77 m²
SA Total (100%) 779.48 ft² / 72.42 m²
Est. Forestay Length 54.11 ft / 16.49 m
Engine & Accommodations
Engine Make Yanmar
Engine Model Turbo JH-TE
Engine Type Diesel
Horsepower 55
Fuel Capacity 58 gals / 220 L
Water Capacity 127 gals / 481 L
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