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Ohlson 35
Designer: Einar Ohlson  ·  Builder: Tyler Boat Company Ltd./Malo Yachts  ·  First built: 1970
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About the Ohlson 35

Designed by renowned Swedish naval architect Einar Ohlson and built by Tyler Boat Company Ltd./Malo Yachts, this rare 35-footer represents a brief but noteworthy entry in the early 1970s sailing market. With only five hulls completed during its short production run from 1970-1971, the Ohlson 35 stands as an exclusive piece of sailing history. The boat's substantial displacement of 10,400 pounds and deep 5.92-foot draft suggest a design prioritizing stability and seaworthiness over light-air performance. Nearly half the displacement is carried as ballast, contributing to impressive stability characteristics that make this vessel well-suited for serious coastal cruising and offshore passages. The fin keel with rudder on skeg configuration provides excellent directional control while maintaining structural integrity. Her masthead sloop rig and moderate sail area create a manageable sailing platform for couples or small crews. The conservative sail area to displacement ratio indicates this is a boat built for reliability rather than racing performance, though her lines suggest respectable sailing ability in moderate to fresh conditions. The comfort ratio of 25.83 points to a motion that favors longer passages over day sailing, while the low capsize screening value demonstrates inherent stability. For sailors seeking a proven offshore design with exclusivity, the Ohlson 35 offers compelling seaworthiness in a rare package.

Core Dimensions
LOA (Length Overall) 34.50 ft / 10.52 m
LWL (Waterline Length) 24.00 ft / 7.32 m
Beam 10.50 ft / 3.20 m
Max Draft 5.92 ft / 1.80 m
Displacement 10,400.00 lb / 4,717 kg
Ballast 5,115.00 lb / 2,320 kg
Ballast Type Lead
Sail Area (Reported) 484.00 ft² / 44.97 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Einar Ohlson
Builder Tyler Boat Company Ltd./Malo Yachts
First Built 1970
Last Built 1971
Number Built 5
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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
 212
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
 16.31
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
 49.18
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
 335.85
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
 25.83
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
 1.93
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. 6.56 kn
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
 1.45
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. 900.42 pounds/inch
SA/Displacement (Calc) Calculated Sail Area to Displacement ratio using actual measured sail dimensions rather than reported values. More precise than the reported SA/Disp figure. 16.32
Rig Dimensions
I (Foretriangle Height) 41.00 ft / 12.50 m
J (Foretriangle Base) 13.50 ft / 4.11 m
P (Mainsail Luff) 36.10 ft / 11.00 m
E (Mainsail Foot) 11.50 ft / 3.51 m
SA Fore 276.75 ft² / 25.71 m²
SA Main 207.58 ft² / 19.28 m²
SA Total (100%) 484.33 ft² / 45.00 m²
Est. Forestay Length 43.17 ft / 13.16 m
Engine & Accommodations
Engine Make Volvo Penta
Engine Type Diesel
Fuel Capacity 15 gals / 57 L
Water Capacity 20 gals / 76 L
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