Ohlson 36 Information, Review, Specs

Ohlson 36 Drawing
Make
Ohlson
Model
36
Builder
Ohlson Brothers
Designer
Einar Ohlson
Number Built
Production Year(s)
1958 - ??

The Ohlson 36, often referred to as "The Racing Machine" during its mid-century heyday, represents a pinnacle of the Swedish design philosophy that blended offshore durability with narrow, elegant lines. Designed by Einar Ohlson and his brother Carl-Eric, the model grew out of the successful Ohlson 35, which was extended to 36 feet specifically to better compete under the rules of the Bermuda Race. While the design originated in the mid-1950s, it gained international prominence throughout the 1960s as a formidable competitor on the U.S. East Coast. According to the technical archives maintained by Ohlson Yachts, nearly 150 of the wooden 35 and 36 models were produced, with a vast majority exported to North America through high-profile brokers like George O'Day and Campbell & Sheehan.

Sailing Performance & Handling

The Ohlson 36 is defined by its "needle-like" proportions, featuring a length-to-beam ratio of approximately 3.74, making it significantly narrower than most modern cruisers of similar length. This slim profile, combined with a heavy displacement-to-length ratio of 354, results in a vessel that prioritizes momentum and tracking over quick acceleration. In heavy weather, the boat is known for its exceptional sea-kindliness; owner anecdotes and historical reports from Yachting Magazine suggest the boat "sails herself," often requiring minimal helm input once the sails are trimmed.

The masthead sloop or yawl rig provides ample power, though the boat is stiff enough to carry its canvas well into the upper wind ranges. Because it was designed with the Cruising Club of America (CCA) rating rule in mind, the hull features a long keel with a cutaway forefoot, which provides excellent directional stability. This makes the Ohlson 36 a favorite for single-handed sailors or those tackling long offshore passages, as it resists wandering in a following sea.

Interior Comfort & Variations

The interior of the Ohlson 36 reflects the high-end craftsmanship of the Scandinavian and German yards that produced it, such as Bröderna Ohlson in Sweden and Matthiessen & Paulsen in Germany. The traditional layout usually consists of a V-berth forward, a head and hanging locker separating the cabin from the main salon, and a compact galley and navigation station flanking the companionway.

Early models were constructed entirely of wood—typically mahogany planking on steam-bent oak frames—offering a warm, organic living space that is highly prized by classic boat enthusiasts. In the mid-1960s, an upgraded "Mark II" version was introduced with a slightly increased beam to improve internal volume and stability. As the industry moved toward fiberglass, the Ohlson 36 served as the blueprint for the Ohlson 38, which transitioned the design into GRP (glass-reinforced plastic) construction. Some transitional Ohlson 36s exist with GRP hulls finished with wooden decks and coachroofs, often completed by the Tyler Boat Company in the UK.

The Ohlson 36 earned its cultural footprint on the racecourse rather than the silver screen. In 1965, the New York Times reported that there was "hardly an event all season" in which an Ohlson 36 did not place in the top three. Famous hulls like Pursuit and Agile became household names in the Larchmont and Stamford yachting communities, winning major events such as the Vineyard Race and the Bermuda Race. The design's success helped establish the Ohlson brothers as world-class naval architects, a legacy detailed in editorial portraits by Yacht.de.

Known Issues & Buyer’s Checklist

Prospective buyers of an Ohlson 36 must distinguish between the early wooden builds and the later fiberglass-transition models, as each carries distinct maintenance requirements.

  • Rib and Plank Integrity: On wooden hulls, traditional "hot-spots" for decay include the stem, the horn timber, and the area around the floor timbers. Buyers should inspect for cracked ribs (frames) and ensure the copper rivets or bronze screws remain tight and free of electrolysis.
  • Deck Leaks: For models with wooden or teak-overlay decks, leaks at the deck-to-hull joint or through old fastener holes can lead to core rot or damage to the interior cabinetry.
  • Iron Ballast: Some versions utilized iron ballast encapsulated in the keel. If water penetrates the laminate or the wood-to-keel joint, the iron can oxidize and expand, leading to "rust bleeds" or structural cracking in the keel stump.
  • Engine Access: Due to the narrow hull, engine access is often cramped. Many original Westerbeke or Atomic 4 engines have been replaced; a modern diesel repower is a significant value-add but should be checked for proper alignment in the narrow bilge.

Community & Resources

The primary hub for technical data and historical records is The Ohlson Project, which acts as an informal association for owners of all Ohlson designs. This group maintains a repository of original drawings, sail plans, and building manuals that were originally provided to the shipyards in photo-album form.

The Verdict

The Ohlson 36 is a "sailor’s sailboat," appealing to those who value aesthetic beauty and offshore pedigree over the voluminous "caravan" interiors of modern coastal cruisers. It is a vessel that rewards proper trim with a level of balance rarely found in newer hulls.

Pros:

  • Exquisite classical lines and high-quality Scandinavian joinery.
  • Superb tracking and heavy-weather performance.
  • Proven offshore racing pedigree with a winning history.

Cons:

  • Narrow beam results in less interior living space than modern 36-footers.
  • Wooden variants require significant specialized maintenance and seasonal care.
  • Tight engine compartments make mechanical work challenging.

Measurements

Construction & Hull

Construction Material
Wood
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x —
Ballast
5000 lbs
Displacement
13800 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
36 ft
Waterline Length (LWL)
25 ft
Beam
9.33 ft
Draft
6.08 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Masthead Sloop
P (Main Luff)
35 ft
E (Main Foot)
15.75 ft
I (Foretriangle Height)
40 ft
J (Foretriangle Base)
13 ft
Forestay Length (est)
42.06 ft
Sail Area
535.63 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
14.89
Ballast / Displacement Ratio
36.23
Displacement / Length Ratio (D/L) Ratio
394.29
Comfort Ratio
38.48
Capsize Screening Formula
1.56
Hull Speed
6.7 kn