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3data points analyzed by Sailpages.com to compile this BRIN DE FOLIE (JEANNEAU) buyer’s report
BRIN DE FOLIE (JEANNEAU)

BRIN DE FOLIE (JEANNEAU)

Jeanneau🇫🇷· Design: Finot / Harle
1975–1980820 built
$1.3K – $3.5K est. annual maintenance
Racer/CruisermonoMasthead SloopFin

Specifications

Hull

LOA28.54 ft
LWL22.15 ft
Beam10.17 ft
Draft5.41 ft
Displacement6,614 lb
Ballast2,204.6 lb
Material29’ 6”9 m
Hull speed1.34·√LWL6.3 kn

Accommodation

Cabins1
Berths6
Heads5
Water23.8 L
CE categoryN/A€

About the BRIN DE FOLIE (JEANNEAU)

First known as the FOLIE DOUCE. (1970-1975)

Sailpages Buyer's Take

The Jeanneau Brin de Folie is a classic 28.54 ft masthead sloop designed by Finot / Harle and built by Jeanneau (FRA) between 1975–1980, with a total production of 820 hulls. This data-driven synthesis draws from owner reports and listings, noting that specific defect frequencies were not detected in the analyzed corpus, though engine replacements with Yanmar and Yamaha are documented.

Best for:
This vessel suits coastal cruisers and weekend sailors seeking a manageable, classic fiberglass sloop with a moderate comfort ratio of 19.34, rather than heavy bluewater expeditions.
Bluewater capability:
With a displacement of 6614.0 lb, a capsize ratio of 2.17, and a fin keel, the Brin de Folie offers reasonable offshore stability, though its light displacement relative to its length suggests it is best suited for protected waters rather than extreme ocean passages.
Comparables:
Comparable boats include the Jeanneau Sun Fast 28 and Beneteau First 28, as they share similar era, displacement (6614.0 lb), and masthead sloop configurations aimed at performance-oriented coastal cruising.

Direct variant of the BRIN DE FOLIE (JEANNEAU)

Near-identical models — same hull, builder and designer, re-badged or lightly changed. Specs and owner-reported issues are typically shared across the group, so a sister model's page may carry detail this one doesn't.

Performance

Comfort19.3
Capsize2.17
SA/Disp21.6
Disp/Len272
Bal/Disp36.7

ORC Performance Data(4 certificates)

Measured performance data from ORC (Offshore Racing Congress) certificates.

Polar Diagram

24680°30°60°90°120°150°180°WIND
6kn8kn10kn12kn14kn16kn20kn24knbeat VMGrun VMG

Boat speed (kn) vs. true wind angle. Source: ORC

Racing Ratings

GPH808.1 s/miOSN768.1

Triple Number

LowMedHighOffshore0.63930.85490.9794Inshore0.49670.68720.8122

ORC Measured

Displacement3590 kg (7915 lb)Wetted surface18.7 m² (201 ft²)Stability index-1.0

Sail Areas (ORC)

Main16.3 m² (175 ft²)Genoa25.9 m² (279 ft²)Spinnaker13.0 m² (139 ft²)Asymmetric24.9 m² (268 ft²)

Speed Table (kn)

TWA \ TWS68101214162024
52°3.94.75.25.65.96.06.16.0
60°4.24.95.55.86.16.26.36.3
75°4.35.15.76.06.36.56.76.7
90°4.35.25.86.26.56.76.87.1
110°4.45.36.06.36.76.97.37.7
120°4.25.25.96.36.66.97.47.9
135°3.84.85.56.16.46.87.37.9
150°3.34.25.05.76.16.57.07.6
Beat VMG2.53.13.53.84.04.14.13.9
Run VMG2.93.74.45.05.56.06.67.1

Pricing

We don't have market pricing data for the BRIN DE FOLIE (JEANNEAU) yet. If you own one, help other buyers — what did you pay for it? Reports build a community price estimate over time.

Estimated Cost of Ownership

Based on 28.54ft LOA. Actual costs vary by condition, usage, and local rates.

$/ft/mo
Annual Maintenance
$1.3K – $3.5K
Hull, rigging, sails, engine service
Annual Docking
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Annual Insurance
N/A
No price data available

Known Issues & Pre-Purchase Inspection

3 documented issues across 2 systems, documented on the near-identical sister model FOLIE DOUCE (JEANNEAU). The BRIN DE FOLIE (JEANNEAU) shares its hull, rig and keel, so these findings apply.

2 critical1 major
Structural2Deck1

Unlock the full inspection report

Thinking of buying a BRIN DE FOLIE (JEANNEAU)? This is an in-depth report on the faults this model is known for — so you know exactly what to check when you walk the boat. For the price of a coffee.

  • All 3 specific issues — severity, symptoms & fixes (from sister model FOLIE DOUCE (JEANNEAU), rig/keel differences flagged)
  • Model-specific pre-purchase inspection checklist
  • Downloadable PDF to take to your surveyor — yours to keep

One-time $2.99 · secure checkout by Stripe · instant access · 30 days online, PDF yours to keep

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Which engine powers your BRIN DE FOLIE (JEANNEAU)?

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