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Rc 30
Designer: Bill Roberts  ·  Builder: Aquarius Sail Inc. (Usa)  ·  First built: 1996
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About the Rc 30

A compact and capable sailboat, the Rc 30 occupies a practical niche for sailors seeking a versatile coastal cruiser suited to weekend adventures and day sailing. While detailed specification data remains limited, the boat's sizing places it in a category that balances manageable handling with enough space and stability for comfortable time on the water, making it an appealing option for both intermediate sailors and those looking to step up from smaller vessels. Boats in this class typically reward attentive helmsmanship and offer a rewarding sailing experience without the complexity or cost of larger offshore cruisers. The Rc 30 is likely well-suited to sheltered coastal waters, bays, and estuaries, where its dimensions would allow confident maneuvering and accessible daysailing. For prospective buyers, the relative simplicity of a vessel this size often translates to lower maintenance demands and easier single-handed or short-handed operation. Those researching the Rc 30 would benefit from seeking out owner communities and firsthand accounts, as real-world experience from current owners often reveals the character and quirks that specifications alone cannot capture.

Core Dimensions
LOA (Length Overall) 31.75 ft / 9.68 m
LWL (Waterline Length) 30.00 ft / 9.14 m
Beam 16.00 ft / 4.88 m
Max Draft 4.67 ft / 1.42 m
Displacement 900.00 lb / 408 kg
Design & Construction
Hull Type Catamaran Twin Dbrd.
Rigging Type Frac. Sloop (Rotating Spar)
Construction FG
Designer Bill Roberts
Builder Aquarius Sail Inc. (USA)
First Built 1996
Related Sailboats ["Melges 30"]
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Known Issues & What to Watch For

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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
14.88
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
1.13
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
6.63
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. 7.34 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. 10.29 pounds/inch
Rig Dimensions
I (Foretriangle Height) 3.00 ft / 0.91 m
P (Mainsail Luff) 14.88
E (Mainsail Foot) Bill Roberts
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