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Evolution 30
Designer: Julian Everitt  ·  Builder: Evolution Yachts Ltd  ·  First built: 1980
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About the Evolution 30

With limited documentation available, the Evolution 30 represents one of those intriguing sailboats that has maintained a relatively low profile in the sailing community despite its practical design attributes. This 30-foot sailboat appears to have been conceived as a versatile coastal cruiser, designed to balance performance with comfort for weekend getaways and extended coastal exploration. The boat's name suggests a design philosophy focused on refined development rather than revolutionary innovation, likely incorporating lessons learned from earlier designs to create an improved sailing platform. While comprehensive specifications remain scarce, the 30-foot length places this vessel squarely in the popular mid-size cruiser category, offering enough space for comfortable accommodations while remaining manageable for a small crew or even single-handed sailing. Based on typical boats of this size and era, the Evolution 30 would be well-suited for coastal cruising, day sailing, and light offshore passages in favorable conditions. The design likely emphasizes practical features over cutting-edge performance, making it an appealing choice for sailors seeking reliable transportation and comfortable accommodations without the complexity or expense of larger vessels. Its relatively obscure status may actually benefit prospective buyers seeking value in the used boat market.

Core Dimensions
LOA (Length Overall) 30.00 ft / 9.14 m
LWL (Waterline Length) 23.00 ft / 7.01 m
Beam 11.00 ft / 3.35 m
Max Draft 6.00 ft / 1.83 m
Min Draft 1.50 ft / 0.46 m
Displacement 7,000.00 lb / 3,175 kg
Ballast 2,800.00 lb / 1,270 kg
Sail Area (Reported) 400.00 ft² / 37.16 m²
Design & Construction
Hull Type Lifting Keel
Rigging Type Fractional Sloop
Construction FG
Designer Julian Everitt
Builder Evolution Yachts Ltd
First Built 1980
Last Built 1984
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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
17.54
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
17.68
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
2.3
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. 6.43
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
2.16
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. 904.0
Rig Dimensions
I (Foretriangle Height) 31.5
J (Foretriangle Base) 11.0
P (Mainsail Luff) 36.0
E (Mainsail Foot) 12.6
SA Fore 173.25
SA Main 226.8
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