The Trisbal 36 is a rugged, aluminum-hulled blue water cruiser that epitomizes the French "dériveur intégral" (integral centerboarder) philosophy. Designed by the renowned naval architect Jean-Pierre Brouns, this vessel was engineered for sailors who demand the ability to traverse open oceans while maintaining the versatility to navigate shallow estuaries or dry out on a tide. Unlike many modern production boats, the Trisbal 36 was typically constructed using thick aluminum plating, often by specialized yards such as Brument or Meta, which utilized the "Strongall" (thick plate without traditional ribs) method or conventional framed construction depending on the specific build year.
Trisbal 36 Information, Review, Specs

- Make
- Trisbal
- Model
- 36
- Builder
- Chantiers Maritimes de Paimpol et Fécamp
- Designer
- Jean Pierre Brouns
- Number Built
- 30
This model is part of a larger family of expedition-grade yachts designed by Brouns. Its siblings include the smaller Trisbal 34 and the larger, more commodious Trisbal 42 and Trisbal 47. Each model in the series shares the characteristic hard-chine aluminum hull and the fully retractable centerboard system, making them some of the most sought-after second-hand vessels for high-latitude or remote tropical exploration.
Sailing Performance & Handling
The sailing characteristics of the Trisbal 36 are defined by its dual-purpose hull. As an integral centerboarder, all of its ballast is carried internally within the bottom of the hull rather than in a fixed keel. This results in a boat that is exceptionally stable but carries its weight differently than a deep-keeled monohull. When sailing off the wind, the ability to raise the centerboard significantly reduces drag and eliminates the "tripping" hazard of a deep keel in heavy following seas, a feature often praised by long-distance voyagers.
Upwind performance is respectable for a heavy-displacement cruiser, provided the centerboard is fully deployed to provide the necessary lateral plane. However, due to the wetted surface area and the weight of the aluminum construction, the Trisbal 36 is not a light-airs performer; it requires a stiff breeze to truly come alive. Technical insights from Jean-Pierre Brouns suggest that the hull form was optimized for sea-kindliness, with the hard chines providing a secondary "bite" into the water when the boat is heeled, which helps with tracking and reduces leeway. The twin rudder configuration found on many versions ensures that the helm remains responsive even when the boat is heavily loaded for an expedition.
Interior Comfort & Variations
The interior of the Trisbal 36 reflects its mission as a long-term home on the water. Because these boats were often completed by different yards or as semi-custom projects, interior layouts can vary. Most configurations feature a robust, sea-going galley, a dedicated navigation station, and a saloon that utilizes the space above the centerboard trunk as a central table or structural element.
Materials typically lean toward the utilitarian and durable, with high-quality marine plywood or solid wood trim over the insulated aluminum hull. Insulation is a critical component of the Trisbal 36’s interior comfort; most high-authority sources emphasize that these boats are "thermally inert," making them cooler in the tropics and warmer in polar regions compared to fiberglass counterparts. The sibling Trisbal 42 offers a dedicated "technical room" and more expansive aft cabins, but the 36-foot version manages to fit two private cabins and a functional head while maintaining a sense of openness in the main cabin.
Known Issues & Buyer’s Checklist
Prospective buyers of a Trisbal 36 must focus their inspection on the unique properties of aluminum construction. While aluminum is incredibly strong, it is susceptible to specific technical failures if not maintained.
- Galvanic Corrosion: The most significant "gotcha" for any Trisbal is electrolysis. Buyers should inspect the hull for pitting, particularly near the waterline and around through-hull fittings. It is essential to verify that the boat’s electrical system is fully isolated (two-pole system) to prevent stray current from eating the hull.
- Centerboard Mechanism: The lifting keel mechanism, including the pivot pin, lifting cables, and winches, must be inspected for wear. Because the board is heavy and crucial for upwind performance, any seizing in the trunk or fraying of the lift line is a major maintenance item.
- Paint Adhesion: While many aluminum boats are left unpainted above the waterline, those with painted hulls can suffer from "bubbling" if the original primer was not applied correctly. This is often an aesthetic issue but can hide localized corrosion.
- Tankage: In many older Trisbal models, the water and fuel tanks were integrated directly into the hull structure. If these tanks leak or corrode internally, repairs can be difficult and require cutting into the cabin sole or hull plating.
Community & Resources
The primary resource for technical data and design history for the Trisbal 36 is the official design office of Jean-Pierre Brouns. Additionally, owners of French aluminum cruisers often congregate under broader associations for "dériveurs intégraux," where technical advice on aluminum maintenance and centerboard repair is shared among the community.
The Verdict
The Trisbal 36 is a "tank" of the sailing world, designed for those who value safety and versatility over raw speed. It is one of the few 36-footers capable of being intentionally grounded for hull cleaning or surviving a grounding that would destroy a fiberglass vessel.
Pros:
- Go-Anywhere Draft: The integral centerboard allows for exploration of shallow lagoons and the ability to dry out upright.
- Exceptional Durability: The aluminum hull offers superior impact resistance against containers, ice, or reef strikes.
- Thermal Insulation: Generally better insulated for extreme climates than standard production boats.
Cons:
- Maintenance Sensitivity: Requires strict adherence to electrical isolation and anode replacement to prevent corrosion.
- Light Air Performance: The heavy displacement and high wetted surface make for sluggish performance in winds under 10 knots.
- Complexity: The centerboard trunk and lifting mechanism add a layer of mechanical complexity not found on fixed-keel boats.
Measurements
Construction & Hull
- Construction Material
- Aluminum
- Hull Type
- Monohull Sailboat
- Keel Type
- Full
- Rudder
- 1x Attached
- Ballast
- -
- Displacement
- 15873 lbs
- Water Capacity
- 150 gal
- Fuel Capacity
- 102 gal
Dimensions
- Length Overall (LOA)
- 39.37 ft
- Waterline Length (LWL)
- 28.41 ft
- Beam
- 12.2 ft
- Draft
- 6.73 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Cutter
- P (Main Luff)
- -
- E (Main Foot)
- -
- I (Foretriangle Height)
- -
- J (Foretriangle Base)
- -
- Forestay Length (est)
- -
- Sail Area
- -
Calculations
- Sail Area / Displacement (SA/D) Ratio
- —
- Ballast / Displacement Ratio
- —
- Displacement / Length Ratio (D/L) Ratio
- 309.03
- Comfort Ratio
- 27.66
- Capsize Screening Formula
- 1.94
- Hull Speed
- 7.14 kn