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Endurance 37
Designer: Peter Ibold  ·  Builder: Freedom Yacht Inc.  ·  First built: 1974
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About the Endurance 37

With limited technical specifications publicly available, the Endurance 37 represents something of an enigma in the sailing world. This relative scarcity of detailed information suggests either a boutique production run or a design that never achieved widespread market penetration, making examples potentially rare finds for discerning sailors. Based on its 37-foot length, this sailboat would typically fall into the mid-range cruising category, suitable for coastal exploration and potentially extended passages depending on its construction and design philosophy. The "Endurance" name itself hints at a vessel conceived for durability and long-distance capability, suggesting the designers prioritized seaworthiness and comfort over pure speed. Without comprehensive specifications to reference, prospective buyers should focus their research on the builder's reputation and any available examples for hands-on inspection. The limited documentation could actually work in favor of serious cruising sailors seeking a lesser-known design that offers good value compared to more mainstream alternatives. For those drawn to unique vessels with character, the Endurance 37 might represent an intriguing option worthy of deeper investigation, particularly if the build quality and sailing characteristics align with their cruising ambitions.

Core Dimensions
LOA (Length Overall) 35.29 ft / 10.76 m
LWL (Waterline Length) 26.67 ft / 8.13 m
Beam 11.00 ft / 3.35 m
Max Draft 5.00 ft / 1.52 m
Displacement 18,000.00 lb / 8,165 kg
Ballast 4,400.00 lb / 1,996 kg
Ballast Type Iron
Design & Construction
Hull Type Long Keel
Rigging Type Cutter
Construction FG
Designer Peter Ibold
Builder Freedom Yacht Inc.
First Built 1974
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Performance Ratios
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
24.44
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
423.6
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. 6.29 pounds/inch
Rig Dimensions
I (Foretriangle Height) 15.50
P (Mainsail Luff) 663.00 ft² / 61.59 m²
E (Mainsail Foot) Volvo Penta
Engine & Accommodations
Horsepower 35
Fuel Capacity 72 gals / 273 L
Water Capacity 50 gals / 189 L
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