Design Brief & Intent 1
Ted Brewer designed the Olympic Adventure 38 with a clear and uncompromising mission: to serve as a safe, comfortable, and sea-kindly offshore passagemaker. In an era where the sailing industry was beginning to embrace lighter, wider, and faster hull shapes designed around racing handicaps, Brewer remained steadfast in his commitment to the cruising sailor. He drafted a hull that prioritized directional stability, heavy-weather load carrying capacity, and a motion that would minimize crew fatigue over long periods at sea.
The build quality matches this bluewater intent. Constructed in Lavrio, Greece, the hull is made of thick, solid hand-laid fiberglass. Brewer himself famously remarked that the Olympic shipyard produced some of the highest-quality executions of his designs, building to rigorous standards that matched or exceeded Lloyd's specifications.
The interior of the Adventure 38 reflects this uncompromising offshore ethos. Far from the open, cavernous layouts of modern coastal cruisers, the interior is designed to be safe and functional when the boat is heeled. Solid teak joinery, warm veneers, and high-quality woodwork dominate the cabin, creating a traditional, secure aesthetic. The cabin arrangement typically positions a secure, U-shaped galley to port and a dedicated navigation station to starboard—both designed with deep gimbals, secure handholds, and comfortable bracing points. Storage is abundant, with deep lockers and secured drawers engineered to prevent their contents from shifting or spilling in a knockdown.
Variations & Configurations 1
The Olympic Adventure 38 was offered in two primary configurations: a masthead sloop and a ketch. The sloop rig features a simpler, modern sail plan that appeals to sailors looking for straightforward sail handling and fewer lines to manage. With its tall, single-spreader mast, the sloop rig provides efficient upwind performance and simplifies tacking and gybing.
The ketch configuration, on the other hand, distributes the sail area across two shorter masts. This traditional split-rig layout is highly favored by shorthanded bluewater cruisers. By dividing the canvas into a mainsail, mizzen, and headsail, the ketch allows for a wide array of sail combinations, making it exceptionally easy to balance the helm in heavy weather. Cruisers can comfortably sail under "jib and jigger" (headsail and mizzen alone) in a gale, keeping the boat moving safely with a low center of effort and minimal heel.
Both configurations share the same heavy-duty underbody, which features a moderate-draft fin keel and a fully protected, skeg-hung rudder. This layout strikes an ideal compromise between the maneuverability of a modern fin keel and the robust protection of a full keel, ensuring that the rudder and propeller are shielded from debris and groundings while still allowing the boat to turn smartly.
Sailing Performance & Handling
Under sail, the Olympic Adventure 38 behaves exactly as a classic offshore cruiser should. With a displacement of 17,650 pounds and a waterline length of 30 feet, the yacht has a displacement-to-length ratio of 291.83, placing it firmly in the heavy-displacement cruiser category. This substantial mass, combined with a ballast-to-displacement ratio of 35.13% from its 6,200-pound lead keel, gives the boat excellent stiffness and a highly reassuring ability to carry full canvas well into a blow.
With a sail area-to-displacement ratio of 16.68, the Adventure 38 is not a light-wind racer, but it is a steady and powerful performer once the breeze climbs above ten knots. The hull's underbody, featuring a cutaway forefoot, minimizes wetted surface area to help the boat slip through light air while still maintaining excellent tracking.
The physical comfort of the crew is where this hull truly shines. With a comfort ratio of 33.81, the Adventure 38 exhibits a slow, easy motion in a seaway. It carves through chop and handles quartering seas with minimal hobby-horsing or abrupt rolling, heavily reducing physical fatigue on long offshore passages. Additionally, the capsize screening ratio of 1.72 is well below the critical safety threshold of 2.0, indicating outstanding resistance to capsize and rapid self-righting capability should the vessel encounter extreme ocean conditions. At the helm, the skeg-hung rudder provides a balanced, positive feel, allowing the yacht to track straight for hours with minimal intervention.
Known Issues & Triage
As a vessel constructed in the mid-to-late 1970s, the Olympic Adventure 38 is subject to several age-related technical vulnerabilities that require careful inspection and proactive maintenance.
The primary concern for any prospective owner is the deck structure. Olympic Yachts utilized balsa or plywood coring between fiberglass skins for the deck and cabin trunk to save weight and add stiffness. Over decades, the sealant around stanchion bases, chainplates, track fasteners, and deck hatches inevitably degrades. Water intrusion into the core leads to rot, soft spots, and eventual delamination. A thorough sounding of the deck with a phenolic hammer is essential to detect wet or deteriorated core areas. Triage involves drilling out affected sections, scraping away rotted balsa, backfilling with epoxy or replacing the core material, and rebedding all deck hardware with high-quality polyurethane sealant.
Osmotic blistering is another common issue due to the orthophthalic resins used in early fiberglass production. While these thick, solid fiberglass hulls are incredibly overbuilt and rarely suffer structural compromise from osmosis, blisters can still form beneath the gelcoat. During a haul-out inspection, the hull should be checked for signs of blistering and tested with a moisture meter. If significant blistering is present, the accepted solution is to peel or grind the gelcoat, allow the laminate to dry thoroughly, wash away chemical residues, and apply a new epoxy barrier coat.
The original machinery and mechanical systems are also likely to require attention. Hulls of this era were typically outfitted with early Westerbeke or Perkins diesel engines. While these engines were legendary for their reliability, decades of salt-water service, raw-water cooling, and aging heat exchangers mean that many of these powerplants are either near the end of their operational life or require a complete overhaul.
Modernization & Upgrades
Because the Olympic Adventure 38 offers such a robust and seaworthy platform, many owners find it highly rewarding to invest in modernizing these vessels for extended cruising.
A major focus for contemporary refits is the electrical system. Upgrading the house battery bank to lithium iron phosphate (LiFePO4) cells is a highly popular modification. This transition provides a massive increase in usable capacity, faster charging times, and significant weight savings. To support this upgrade, owners typically install high-output alternators with external smart regulators, high-efficiency solar arrays mounted on custom stern arches, and modern inverter/chargers.
Propulsion upgrades are also common. Replacing an aging, inefficient diesel engine with a modern, fresh-water-cooled Yanmar or Beta Marine diesel engine of comparable horsepower vastly improves fuel economy, reduces noise and vibration, and provides reliable starting.
Galley modernization is another frequent upgrade. Replacing the original, power-hungry mechanical refrigeration units with modern, efficient 12-volt compressor systems drastically reduces daily energy draw. Finally, updating the electronics suite with modern multi-function displays, radar, a reliable autopilot, and an active AIS transceiver brings the vessel's navigation capabilities up to modern offshore standards.
The Verdict 1
The Olympic Adventure 38 is a quintessential, heavily built offshore cruiser designed by a master of the craft. Its rare production run means finding one requires patience, but for the cruiser seeking an incredibly robust, stable, and sea-kindly yacht with classic lines, the effort is well rewarded. While it is not a boat for light-wind harbor hopping or beer-can racing, it is a vessel that will look after its crew in the most challenging conditions and carry them safely across any ocean in comfort.
- Highly robust, solid-fiberglass hull construction built to exceptionally high standards by a respected Greek shipyard.
- Reassuring sea-kindly motion and high comfort ratio that minimizes crew fatigue in rough offshore conditions.
- Excellent directional tracking and steering balance provided by the moderate-draft fin keel and protected, skeg-hung rudder.
- Highly secure, beautifully crafted traditional teak interior designed specifically for safety and comfort at sea.
- Split-rig ketch option provides versatile, easily managed sail combinations for shorthanded crews.
Cons
- Exceptional rarity makes finding hulls, replacement parts, or class-specific documentation extremely difficult.
- Poor light-air performance due to the heavy displacement and significant wetted surface area.
- High susceptibility to deck coring rot and osmotic blistering, requiring meticulous survey and potentially costly fiberglass repairs.
- Aged mechanical and electrical systems that will almost certainly require expensive modern upgrades and repowering.
