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Grondin
Designer: Sergent/Herbulot  ·  First built: 1948
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About the Grondin

Finding comprehensive information about the Grondin sailboat proves challenging, as this appears to be a lesser-documented vessel in sailing archives. With limited specifications readily available, potential buyers should approach this boat with thorough independent research and professional marine surveys. Based on the Grondin name, this sailboat likely represents either a smaller production run from a regional builder or possibly a custom design. Many boats with limited documentation fall into categories of local or boutique manufacturers who produced quality vessels but maintained smaller market presence compared to major production builders. Without detailed specifications, prospective owners should focus on hands-on evaluation of any Grondin they encounter. Key areas to investigate include the hull construction quality, rigging condition, and overall maintenance history. The boat's intended use—whether coastal cruising, racing, or offshore passage-making—would depend heavily on the specific model's size, displacement, and sail plan. Given the scarcity of readily available information, connecting with sailing forums, local yacht clubs, or marine surveyors familiar with lesser-known brands could provide valuable insights. Any serious consideration of a Grondin purchase should include comprehensive professional inspection to assess seaworthiness and determine the vessel's appropriate sailing applications.

Core Dimensions
LOA (Length Overall) 21.65 ft / 6.60 m
LWL (Waterline Length) 18.50 ft / 5.64 m
Beam 7.22 ft / 2.20 m
Max Draft 2.95 ft / 0.90 m
Displacement 1,433.00 lb / 650 kg
Sail Area (Reported) 199.00 ft² / 18.49 m²
Design & Construction
Hull Type Long keel w/trans. hung rudder
Rigging Type Fractional Sloop
Construction Wood
Designer Sergent/Herbulot
First Built 1948
Related Sailboats Victoire 22 · Kestrel 22 Jones Uk · Capriccio · Etap 22 · Djinn 22
Owner Reviews

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Performance Ratios
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
25.1
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
8.18
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
2.56
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. 5.76
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. 477.26
How It Compares

vs. Capriccio, Djinn 22, Etap 22, Kestrel 22 Jones Uk, Victoire 22

This boat Similar boats
Dimensions
LOA
Grondin ★
21.7 ft
Capriccio
21.7 ft
Djinn 22
21.7 ft
Etap 22
21.7 ft
Kestrel 22 Jones Uk
21.7 ft
Victoire 22
21.7 ft
LWL
Grondin ★
18.5 ft
Capriccio
17.0 ft
Djinn 22
Etap 22
18.7 ft
Kestrel 22 Jones Uk
20.0 ft
Victoire 22
18.7 ft
Beam
Grondin ★
7.2 ft
Capriccio
6.3 ft
Djinn 22
8.1 ft
Etap 22
7.9 ft
Kestrel 22 Jones Uk
7.1 ft
Victoire 22
7.2 ft
Displacement
Grondin ★
1 lbs
Capriccio
1 lbs
Djinn 22
2 lbs
Etap 22
2 lbs
Kestrel 22 Jones Uk
3 lbs
Victoire 22
2 lbs
Ballast
Grondin ★
Capriccio
400 lbs
Djinn 22
1 lbs
Etap 22
1 lbs
Kestrel 22 Jones Uk
Victoire 22
992 lbs
Sail Area
Grondin ★
199 sq ft
Capriccio
Djinn 22
279 sq ft
Etap 22
Kestrel 22 Jones Uk
Victoire 22
Performance
SA / Displacement (higher = more powerful)
Grondin ★
25.1
Capriccio
Djinn 22
24.1
Etap 22
Kestrel 22 Jones Uk
Victoire 22
Ballast / Disp (higher = stiffer)
Grondin ★
Capriccio
22.2 %
Djinn 22
Etap 22
44.0 %
Kestrel 22 Jones Uk
Victoire 22
40.9 %
Comfort Ratio (higher = more comfortable offshore)
Grondin ★
8.2
Capriccio
Djinn 22
12.4
Etap 22
Kestrel 22 Jones Uk
17.4
Victoire 22
Capsize Screening (lower = safer)
Grondin ★
2.56
Capriccio
Djinn 22
Etap 22
Kestrel 22 Jones Uk
1.94
Victoire 22
Displacement / Length (lower = lighter)
Grondin ★
Capriccio
163
Djinn 22
181
Etap 22
188
Kestrel 22 Jones Uk
Victoire 22
165
Hull Speed
Grondin ★
5.8 kts
Capriccio
Djinn 22
5.8 kts
Etap 22
Kestrel 22 Jones Uk
6.0 kts
Victoire 22
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