Samurai 28 Information, Review, Specs

Make
Samurai
Model
28
Builder
International Marine Japan Ltd.
Designer
L. Francis Herreshoff/Eldredge-McGinnis
Number Built
120
Production Year(s)
1958 - ??

The Samurai 28 stands as a robust testament to the early era of International Marine and its founder, Herb Stewart, prior to the company’s pivot toward the ultra-light trailer-sailer market. Designed by the esteemed firm of Eldredge-McInnis, known for their seaworthy offshore designs, the Samurai 28 was built in Japan during the late 1960s and early 1970s. While International Marine is now inextricably linked to the West Wight Potter, the Samurai 28 represents the builder’s original foray into high-quality, heavy-displacement "pocket" voyagers. Constructed with the intention of handling blue-water conditions, these vessels were often overbuilt, featuring a marriage of traditional aesthetics and the then-emerging advantages of fiberglass hull construction.

Sailing Performance & Handling

Under sail, the Samurai 28 is characterized by the steady, predictable motion typical of a heavy-displacement cruiser. With a Displacement/Length ratio (D/L) approaching 400, it is not a light-air performer; however, it excels once the breeze freshens. The full keel with a cutaway forefoot provides excellent directional stability, allowing the boat to track effortlessly on long passages. Owners often remark that the boat "sails on rails," requiring minimal attention to the helm compared to modern fin-keel designs.

Handling is influenced significantly by its weight and traditional underwater profile. While it may lack the tacking agility of a contemporary racing sloop, it compensates with extreme sea-kindliness. The Samurai 28 manages heavy chop with a soft motion rather than the pounding common in flatter-bottomed boats. According to historical technical notes from Eldredge-McInnis, the hull’s generous beam (over 9 feet) and high ballast ratio provide a "stiff" sailing experience, meaning the boat resists excessive heeling even when pressed under full canvas.

Interior Comfort & Variations

The interior of the Samurai 28 reflects the high level of Japanese craftsmanship prevalent in the yards contracted by International Marine during this period. Unlike the minimalist interiors of the later Potter series, the Samurai 28 is finished with an abundance of tropical hardwoods, typically mahogany or teak. The layout is a classic cruising arrangement: a spacious V-berth forward, a localized head compartment, and a main salon featuring a settee that doubles as additional berthing.

Headroom is surprisingly generous for a 28-foot boat of this vintage, often exceeding 6 feet in the main cabin, which enhances the sense of livability for extended coastal cruising. The galley is generally positioned aft to minimize motion while cooking at sea. Variations of the model are rare, though some early hulls featured slightly different cockpit locker configurations. The primary "sibling" in this design family is the Samurai 25, which shares the same aesthetic and heavy-build philosophy but on a scaled-down 25-foot frame.

Known Issues & Buyer’s Checklist

Prospective buyers of a Samurai 28 should approach the vessel as a "classic" project, regardless of its current condition, due to the age of the fiberglass and the complexity of its original wood trim.

  • Chainplate and Deck Leaks: Like many boats from the 1960s, the chainplates are prone to leaking if the sealant has not been regularly maintained. Because these boats use extensive interior wood cabinetry, a neglected leak can lead to hidden rot in the bulkheads where the chainplates are bolted.
  • Original Engine Condition: Many Samurai 28s were originally equipped with the Universal Atomic 4 gasoline engine or early Palmer diesels. Buyers should verify if the boat has been repowered; an original Atomic 4 requires specific expertise to maintain safely in a modern context.
  • Cored Deck Integrity: While the hulls are solid fiberglass, the decks were often cored. It is essential to check for soft spots or delamination around high-stress areas like the mast step and stanchion bases.
  • Rudder Hardware: The heavy, keel-hung rudder relies on bronze hardware that can suffer from galvanic corrosion or wear in the bushings over 50 years. A haul-out inspection of the pintles and gudgeons is mandatory.

Community & Resources

Support for the Samurai 28 is primarily found within broader classic boat communities rather than a dedicated manufacturer portal, as International Marine’s current focus has shifted. The Eldredge-McInnis design community remains a primary source for technical drawings and historical context. Owners often congregate in forums such as the Plastic Classics groups, which celebrate the era of "overbuilt" fiberglass boats.

The Verdict

The Samurai 28 is a "small ship" in a world of light-duty day-sailers. It is an ideal choice for a traditionalist who prioritizes safety and sea-kindliness over raw speed and is willing to invest in the maintenance of a classic wood-trimmed interior.

Pros:

  • Exceptional seaworthiness and stability in heavy weather.
  • High-quality interior joinery rarely seen in modern boats of this size.
  • Predictable tracking and easy motion offshore.
  • Timeless, traditional aesthetic that draws attention in any harbor.

Cons:

  • Heavy displacement results in sluggish performance in light winds.
  • High maintenance requirements for the extensive exterior and interior wood.
  • Old systems (engines/wiring) likely require significant modernization.
  • Limited maneuverability in tight marinas due to the long full keel.

Measurements

Construction & Hull

Construction Material
Wood
Hull Type
Monohull Sailboat
Keel Type
Full
Rudder
1x Attached
Ballast
-
Displacement
9500 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
28 ft
Waterline Length (LWL)
22 ft
Beam
9.67 ft
Draft
3.92 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Ketch
P (Main Luff)
32 ft
E (Main Foot)
13.5 ft
I (Foretriangle Height)
35.3 ft
J (Foretriangle Base)
13.5 ft
Forestay Length (est)
37.79 ft
Sail Area
393 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
14.02
Ballast / Displacement Ratio
Displacement / Length Ratio (D/L) Ratio
398.3
Comfort Ratio
30.03
Capsize Screening Formula
1.83
Hull Speed
6.29 kn