Endurance 35 Information, Review, Specs

Boat drawing
Make
Endurance
Model
35
Number Built
86
Production Year(s)
1969 - ??

The Endurance 35 is a renowned long-distance cruising sailboat, celebrated for its robust construction and ability to undertake serious offshore passages. Designed by the esteemed naval architect Peter Ibold, this monohull has garnered a reputation as a dependable choice for those seeking a sturdy and comfortable platform for extended voyages. Many Endurance 35s were built by various yards and even by amateur builders worldwide, including notable contributions from Dekleer Brothers Industries Ltd. in British Columbia, a company known for its heavy-duty fiberglass cruising sailboats.

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History and Design

The story of the Endurance 35 begins in 1969, marking the start of its production. The design by Peter Ibold gained significant recognition when it won a design competition for a world cruiser intended for comfortable handling by a crew of two. Ibold's philosophy for the Endurance series emphasized seaworthiness, stability, and the ability to safely traverse oceans, appealing to the adventurous spirit of long-distance cruisers.

Dekleer Brothers, based in Richmond, BC, contributed to the Endurance 35's legacy, applying their ethos of building resilient fiberglass sailboats. While Dekleer was known for offering boats as kits, allowing for flexibility in finishing, the core design and the company's commitment to durability ensured a strong foundation for these vessels. The Endurance 35 was designed with versatility in mind, offered with various rig configurations, including cutter, sloop, or ketch. This adaptability in rigging allowed owners to choose a setup best suited to their cruising style and prevailing wind conditions. Over its production run, slight variations in the design emerged, with some boats even stretching to 37 feet, reflecting the diverse building methods and specific owner requirements. The hull was constructed from various materials, including wood, steel, ferro-cement, and GRP (fiberglass), further testament to its adaptable design and widespread appeal among both professional and amateur builders.

Sailing Performance and Handling

The Endurance 35 exhibits characteristics typical of a heavy-displacement, ocean-going cruiser. With a Displacement to Length ratio of approximately 439, she is firmly in the heavy cruiser category, suggesting a comfortable motion in a seaway and the ability to carry significant stores for long voyages. Her Ballast to Displacement ratio of around 41.5% indicates a stiff and stable vessel, capable of standing up to considerable wind without excessive heeling. This high ballast ratio contributes significantly to her inherent stability, a crucial attribute for offshore sailing. The Sail Area to Displacement ratio of approximately 14.3 suggests moderate light-air performance, meaning she might require more wind to get going compared to lighter, performance-oriented designs.

Anecdotal reports suggest that the Endurance 35 is a stable and sturdy vessel, capable of handling well in varied conditions. Owners generally find the boat easy to handle, particularly in cutter or ketch configurations, which allow for a balanced sail plan. However, some owners have noted that the boat can make excessive leeway when beating directly upwind, suggesting that her strength lies more in comfortable passage making than in close-hauled performance. Overall, her design prioritizes safety and comfort for extended cruising over outright speed.

Accommodations and Layout

While the detailed interior layout of an Endurance 35 can vary significantly due to its history of diverse builders and kit completions, common features and general arrangements are often observed. Many interiors feature a traditional layout, which may feel somewhat compact compared to modern designs, particularly with a short waterline and long overhangs contributing to a less expansive interior volume than her LOA might suggest. The saloon often includes settees that can double as berths, a navigation station, and a galley area. Some versions offer a single cabin with up to five berths.

The interior finish quality and materials vary widely, depending on whether the boat was factory-finished or completed by an amateur. However, given the boat's design era and cruising purpose, wood trim and a functional, robust aesthetic are common. Storage is typically ample, designed to accommodate the provisions and gear necessary for extended periods at sea. Ventilation is usually provided through deck hatches and portlights, varying in effectiveness based on the specific installation. The Endurance 35 design did not prioritize large, open spaces, but rather a secure and functional living environment below deck, with the interior often starting aft of the cockpit.

Owner's Perspectives

Owners of Endurance 35s consistently praise the solid construction and seaworthiness of these vessels. Many appreciate their dependable nature and the feeling of security they offer in challenging conditions, making them ideal for blue-water voyaging. The deep, safe cockpit is frequently mentioned as a positive feature, providing protection in rough seas. The ability to comfortably accommodate families for extended cruising is another often-cited strength.

However, common weaknesses or maintenance considerations are also noted. As many Endurance 35s were built as kits or by amateurs, the quality of the interior finish and systems can be inconsistent. Owners often report that the interior designs, typical of their era, can feel cramped and may lack the spaciousness of newer yachts. Older vessels may also present issues with original deck fittings developing leaks, which might require re-bedding. Despite these potential challenges, the loyal following of Endurance 35 owners speaks to the enduring appeal of its fundamental design: a heavy-duty, reliable cruiser built to last.

Measurements

Construction & Hull

Construction Material
Other
Hull Type
Monohull Sailboat
Keel Type
Long
Rudder
1x —
Ballast
7716 lbs (Lead)
Displacement
18607 lbs
Water Capacity
185 gal
Fuel Capacity
71 gal

Engine

Engine Make
Volvo Penta
Engine Model
Engine Type
Engine HP
37
Engine Count
1
Drive Type
Fuel Type
Diesel
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Ketch
P (Main Luff)
35.3 ft
E (Main Foot)
14.3 ft
I (Foretriangle Height)
41.8 ft
J (Foretriangle Base)
18 ft
Forestay Length (est)
45.51 ft
Main Sail Area
252.4 sqft
Foretriangle Sail Area
376.2 sqft
Total Sail Area (Reported)
736 sqft
Total Sail Area (Calc)
628.6 sqft

Dimensions

LOA
35.27 ft
LWL
26.64 ft
Beam
11 ft
Draft
5 ft
Max Headroom
-
Air Draft
-

Calculations

Hull Speed
6.92 kn
Pounds per Inch Immersion
1