Bi-Loup 102 Information, Review, Specs

Make
Bi-Loup
Model
102
Builder
Wrighton Yachts
Designer
Richard Wrighton
Number Built
30
Production Year(s)
1990 - 2003

The Bi-Loup 102 stands as a definitive mid-range cruiser from the French shipyard Wrighton Yachts, embodying the brand's long-standing commitment to the "biquille" (twin-keel) philosophy. Originally designed to succeed the Bi-Loup 10, the 102 model refined the concept of the shallow-draft, beachable family cruiser, offering a length overall of approximately 10.15 meters. It occupies a pivotal place in the Wrighton timeline, serving as the evolutionary link between the rugged early designs of the 1980s and the contemporary Wrighton 36 designed by Vincent Lebailly. Built for the tidal complexities of the French Atlantic coast and the English Channel, the Bi-Loup 102 is engineered for sailors who prioritize the freedom to explore shallow estuaries and the convenience of drying out upright on a sandy bottom without the need for additional legs or supports.

Sailing Performance & Handling

The sailing characteristics of the Bi-Loup 102 are defined by its twin-keel configuration and generous beam. Unlike traditional fin-keel yachts, the 102 employs two asymmetric keels which are canted to provide lift and reduce leeway when heeled. While it does not boast the pointing ability of a racing sloop, the 102 is noted for its exceptional stability and "stiff" feel in a blow. According to editorial insights from Bateaux.com, the design philosophy focuses on safety and "bon enfant" (good-natured) handling, making it an ideal platform for shorthanded cruising or young families.

With a Displacement/Length ratio typically associated with medium-heavy displacement cruisers, the 102 handles chop with a predictable, dampened motion. Tracking is generally praised due to the dual-keel effect, which acts similarly to a long keel in providing directional stability. However, in light airs, the increased surface area of the two keels does result in more drag compared to a single fin, necessitating the use of the iron wind sooner than one might in a performance-oriented hull.

Interior Comfort & Variations

The Bi-Loup 102 is celebrated for its "deck saloon" style interior, a feature that was ahead of its time for a 33-foot vessel. Large panoramic windows in the coachroof allow for significant natural light and allow the crew to monitor their surroundings from the warmth of the saloon. The interior is most commonly configured with two or three cabins, with the 102 often featuring a spacious longitudinal or U-shaped galley and a dedicated navigation station.

The hull platform of the 102 has seen several iterations. The original Bi-Loup 10 served as the foundation, while the 102 improved upon the headroom and interior volume. This lineage eventually evolved into the Bi-Loup 109, which utilized a similar hull mold but updated the deck layout and transom. According to Vincent Lebailly Yacht Design, the transition from the 102 to the newer 109 and eventually the Wrighton 36 focused on optimizing ergonomics while maintaining the signature high-volume interior that allows for comfortable multi-week coastal cruising.

Known Issues & Buyer’s Checklist

When inspecting a pre-owned Bi-Loup 102, prospective owners should focus on the technical implications of its twin-keel design and its propensity for beaching.

  • Keel Attachment Points: Because these boats are designed to rest on their keels, the internal hull reinforcements (the floors) and the keel bolts are subject to different stresses than a standard yacht. Check for any "stress spidering" in the gelcoat around the keel stubs or movement in the sealant.
  • Rudder Bearings: The 102 typically features a single, deep rudder. If the boat has been frequently dried out on uneven ground, the rudder can sometimes take unintended weight, leading to premature wear or misalignment in the rudder bearings.
  • Deck Core and Window Seals: The large panoramic windows are a highlight but can be a source of leaks if the sealant has degraded over decades. Check for water staining on the interior woodwork below the windows.
  • Osmosis: As with many French production boats from the 1990s and early 2000s, a moisture meter test on the hull is recommended, though Wrighton's build quality is generally regarded as robust.

Community & Resources

The Wrighton community is particularly active in France, where the "Bi-Loup" brand has a cult-like following among "biquillistes." The Association des Propriétaires de Bi-Loup (Asso Bi-Loup) is the primary hub for technical exchange, parts sourcing, and organized rallies. While their documentation is primarily in French, they remain the most authoritative source for original rigging plans and modification advice for the 102 and its siblings.

The Verdict

The Bi-Loup 102 is a specialist's tool that excels in its specific niche: low-stress coastal cruising and tidal exploration. It sacrifices raw speed and upwind efficiency for the sake of interior volume and the unparalleled utility of a twin-keel draft.

Pros:

  • Beachable: Allows for "shoreside" maintenance and drying out in beautiful, shallow anchorages.
  • Visibility: The panoramic saloon windows offer an airy, bright living space rarely found in boats of this vintage.
  • Stability: A very safe, predictable hull shape that inspires confidence in heavy weather.

Cons:

  • Light Air Performance: Significant wetted surface area makes it sluggish in winds below 10 knots.
  • Pointing Ability: The twin-keel arrangement cannot match a deep fin keel for upwind angles.
  • Availability: Primarily found in European markets (specifically France), making them rare finds in North America.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Twin
Rudder
1x —
Ballast
5952 lbs
Displacement
11464 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
33.96 ft
Waterline Length (LWL)
28.54 ft
Beam
10.93 ft
Draft
4.1 ft
Max Headroom
6.23 ft
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Masthead Sloop
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Sail Area
656.6 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
20.66
Ballast / Displacement Ratio
51.92
Displacement / Length Ratio (D/L) Ratio
220.15
Comfort Ratio
24.3
Capsize Screening Formula
1.94
Hull Speed
7.16 kn