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Comet Duo
Designer: Andrew Simmons  ·  Builder: Comet Dinghies (Uk)  ·  First built: 1990
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About the Comet Duo

Small boat sailing enthusiasts have long appreciated the Comet Duo's straightforward approach to two-handed dinghy sailing. This compact centerboard sailboat represents a practical choice for sailors seeking an uncomplicated vessel that prioritizes ease of handling over complex systems. Built with recreational day sailing in mind, the Comet Duo excels in protected waters and moderate conditions where its manageable size becomes an asset rather than a limitation. The boat's design emphasizes accessibility, making it particularly suitable for sailing schools, yacht clubs, and families looking to introduce new crew members to the sport without overwhelming complexity. The Duo's hull form delivers predictable handling characteristics that inspire confidence in developing sailors while still providing enough performance to keep experienced sailors engaged. Its straightforward rigging system allows for quick setup and breakdown, appealing to sailors who value convenience and simplicity over maximum speed potential. This design has earned recognition within sailing communities that prioritize learning and recreational enjoyment over competitive performance. The Comet Duo serves as an excellent platform for honing basic sailing skills, crew coordination, and boat handling techniques in a forgiving yet responsive package that rewards good seamanship.

Core Dimensions
LOA (Length Overall) 12.16 ft / 3.71 m
Beam 5.00 ft / 1.52 m
Max Draft 3.25 ft / 0.99 m
Displacement 195.00 lb / 88 kg
Design & Construction
Hull Type Centerboard Dinghy
Rigging Type Fractional Sloop
Construction FG
Designer Andrew Simmons
Builder Comet Dinghies (UK)
First Built 1990
Number Built 200
Owner Reviews

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Performance Ratios
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
78.84
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
3.23
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. 4.31 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. 1.11 pounds/inch
Rig Dimensions
I (Foretriangle Height) 0.50 ft / 0.15 m
P (Mainsail Luff) 97.00 ft² / 9.01 m²
E (Mainsail Foot) https://sailboatdata.com/forums/topic-tag/comet-duo/
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