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Dragonfly 920
Designer: Borge Quorning/Jens Quorning  ·  Builder: Quorning Boats (Den)  ·  First built: 1996
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About the Dragonfly 920

Danish builders Quorning Boats created the Dragonfly 920 as a fast cruising trimaran that bridges the gap between performance sailing and practical family use. Designed by the father-son team of Borge and Jens Quorning, this 30-footer represents the company's expertise in building accessible multihulls that don't compromise on speed or handling. The 920's fractional sloop rig with rotating mast delivers impressive performance from its 581 square feet of sail area, while the trimaran configuration provides exceptional stability and reduced heeling compared to monohulls. With its wide 22-foot beam when sailing and modest 5-foot draft, this boat excels in shallow coastal waters and offers spacious deck areas for crew comfort. Built between 1996 and 2008, the Dragonfly 920 earned recognition for its folding outer hulls—a signature Quorning feature that allows marina berthing at monohull rates while maintaining the speed advantages of a trimaran. The fiberglass construction ensures durability, while the centerboard configuration enhances versatility in varying water depths. This design suits coastal cruising and club racing, appealing to sailors seeking multihull performance without the complexity of larger trimarans. The 920's manageable size and innovative engineering make it an excellent entry point into high-performance multihull sailing.

Core Dimensions
LOA (Length Overall) 30.18 ft / 9.20 m
LWL (Waterline Length) 28.70 ft / 8.75 m
Beam 22.31 ft / 6.80 m
Max Draft 5.09 ft / 1.55 m
Min Draft 1.48 ft / 0.45 m
Displacement 4,189.00 lb / 1,900 kg
Sail Area (Reported) 581.00 ft² / 53.98 m²
Design & Construction
Hull Type Trimaran Cbrd.
Rigging Type Frac. Sloop (Rotating Spar)
Construction FG
Designer Borge Quorning/Jens Quorning
Builder Quorning Boats (DEN)
First Built 1996
Last Built 2008
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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
35.87
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
3.52
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
5.54
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. 7.18 kn
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. 13.72 pounds/inch
Engine & Accommodations
Fuel Capacity 7 gals / 26 L
Water Capacity 18 gals / 68 L
KSP 1
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