Knutson 35 Information, Review, Specs

Boat drawing
Make
Model
Number Built
Production Year(s)
1955 - ??

The Knutson 35 stands as a testament to classic yacht design and traditional craftsmanship, emerging from the celebrated design offices of Sparkman & Stephens and the skilled hands of the Thomas Knutson Shipbuilding Corporation. Introduced in 1955, this 35-foot wooden fractional sloop quickly earned a reputation as a robust and capable racer-cruiser, embodying the era's ideal of a seaworthy vessel built for both spirited sailing and comfortable coastal exploration. She is recognized among Sparkman & Stephens' "finest designs," highlighting her well-regarded lineage in the sailing community.

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Built by a "top-tier boat builder" known for quality marine craftsmanship, the Knutson 35 reflects a commitment to durable, solid construction. Thomas Knutson Shipbuilding, established in 1935, maintained a strong ethos of traditional boatbuilding methods, which is evident in the Knutson 35's enduring wooden hull and deck.

The Knutson 35 entered production in 1955, a period when the Thomas Knutson Shipbuilding Corporation in Halesite, Long Island, New York, was well-established as a producer of "hundreds of yachts" . The yard was known for its "solid, reliable construction and customization," reflecting a dedication to enduring vessels. The design, penned by the legendary firm Sparkman & Stephens, aimed for a balanced and capable yacht. While specific design goals for the K35 are not widely detailed, Sparkman & Stephens' philosophy often centered on creating yachts with excellent sailing characteristics, seaworthiness, and pleasing aesthetics. During its production run in the late 1950s and early 1960s, Knutson built a number of these yachts, primarily as sloops, though a yawl-rigged version was also offered, sometimes modified by the factory.

Sailing Performance and Handling

The Knutson 35, with a length overall of 35 feet and a waterline length of 25 feet, is a notably heavy displacement vessel for its size, characterized by a Displacement to Length Ratio (D/L) of approximately 485.7. This high ratio firmly places her in the category of a traditional, heavy cruiser, suggesting a comfortable motion in a seaway and the ability to carry stores for extended trips, rather than prioritizing light-air speed. Her Sail Area to Displacement Ratio (SA/D) of around 13.75 indicates that while she is well-canvassed, the Knutson 35 likely performs best in a good breeze, requiring adequate wind to reach her potential rather than excelling in very light conditions.

With a ballast-to-displacement ratio of approximately 31.5%, the Knutson 35 demonstrates moderate stiffness. This suggests she is stable and capable of standing up to a decent blow without excessive heeling, contributing to her reputation for seaworthiness. Owners generally praise her handling, noting "no bad points of sail if the sails are good" and commenting on her "reassuring stability in all conditions," particularly for the yawl version. This robust design, combined with a fin keel, provides a solid and predictable sailing experience.

Accommodations and Layout

While specific interior layouts can vary between individual vessels and custom finishes, the Knutson 35 typically reflects the classic styling and robust construction characteristic of wooden yachts from its era. As a product of the Thomas Knutson Shipbuilding Corporation, known for its quality marine craftsmanship, the interior would have featured well-executed joinery and durable materials. Despite limited detailed information available online regarding specific interior configurations, one would expect a functional layout designed for cruising comfort, likely including a V-berth forward, a main salon with settees and a table, a compact galley, and a navigation station. The construction would emphasize longevity and seaworthiness, with a traditional aesthetic that prioritizes solid wood and practical finishes.

Owner's Perspectives

Owners of the Knutson 35 frequently commend the vessel's solid construction and the enduring quality imbued by its builder, Thomas Knutson Shipbuilding Corporation. The yard's reputation as a "top-tier boat builder" is reflected in the loyalty and satisfaction of those who sail the K35. Many appreciate its character as a classic "racer-cruiser," finding it to be a capable and enjoyable boat for both leisurely sails and more spirited performance in its class. Owners often highlight the boat's "reassuring stability" and balanced handling, reporting that it performs well across various points of sail, provided the sails are in good condition. While specific common weaknesses are not broadly documented, as with any classic wooden vessel, ongoing maintenance and diligent care are typically cited as essential for preserving their charm and structural integrity.

Measurements

Construction & Hull

Construction Material
Wood
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x —
Ballast
5360 lbs (Lead)
Displacement
17000 lbs
Water Capacity
-
Fuel Capacity
-

Engine

Engine Make
Gray Marine
Engine Model
Engine Type
Engine HP
30
Engine Count
1
Drive Type
Fuel Type
Gasoline
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Fractional Sloop
P (Main Luff)
38 ft
E (Main Foot)
15 ft
I (Foretriangle Height)
44 ft
J (Foretriangle Base)
13 ft
Forestay Length (est)
45.88 ft
Main Sail Area
285 sqft
Foretriangle Sail Area
286 sqft
Total Sail Area (Reported)
571 sqft
Total Sail Area (Calc)
571 sqft

Dimensions

LOA
35 ft
LWL
25 ft
Beam
9.83 ft
Draft
4.83 ft
Max Headroom
-
Air Draft
-

Calculations

Hull Speed
6.7 kn
Pounds per Inch Immersion
878.09