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Olympic Adventure 38
Designer: Ted Brewer  ·  First built: 1976
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About the Olympic Adventure 38

Designed by renowned naval architect Ted Brewer in 1976, this 38-footer represents classic cruising yacht philosophy with only eight hulls ever built, making it a rare find in today's market. The Olympic Adventure 38 embodies the traditional heavy displacement approach that Brewer was known for, featuring a substantial 17,650-pound displacement and 6,200 pounds of ballast that contribute to excellent stability and seakeeping ability. The masthead sloop rig delivers manageable sail handling for cruising couples, while the fin keel with rudder on skeg configuration provides a good balance of performance and directional stability. Her generous beam of over 11 feet creates spacious accommodations below, typical of Brewer's designs that prioritized comfort and livability. With a comfort ratio of 33.81, this yacht falls squarely into the heavy cruiser category, making her well-suited for offshore passages and extended cruising where comfort in rough conditions matters more than racing performance. The conservative sail area to displacement ratio suggests she's built for reliability rather than speed, though her theoretical hull speed of 7.34 knots is respectable for a cruising yacht of this vintage. The fiberglass construction and proven Brewer pedigree make the Olympic Adventure 38 an attractive option for serious cruisers seeking a capable, comfortable offshore platform.

Core Dimensions
LOA (Length Overall) 38.08 ft / 11.61 m
LWL (Waterline Length) 30.00 ft / 9.14 m
Beam 11.17 ft / 3.40 m
Max Draft 4.83 ft / 1.47 m
Displacement 17,650.00 lb / 8,006 kg
Ballast 6,200.00 lb / 2,812 kg
Ballast Type Iron
Sail Area (Reported) 707.00 ft² / 65.68 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Ted Brewer
First Built 1976
Number Built 8
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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
 16.75
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
 35.13
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
 291.83
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
 33.81
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
 1.72
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. 1,197.35 pounds/inch
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