D'berge 36 — Information, Review, Specs

John P. Fox Jr.·1983·Davis & Oberg
D'berge 36 drawingBuilder drawing
Hull type
Monohull · fin
Rig
Fractional Sloop
LOA
36' · 10.97 m
Displ.
16,000 lbs · 7,257 kg
First year
1983

The D’berge 36 (often identified as the Debarge 36) represents a niche chapter in French yachting history, characterized by the robust, performanceoriented cruiserracers that emerged from the Atlantic coast of France during the late 1970s and early 1980s. Designed by JeanPierre Debarge and built by Chantiers Debarge, the vessel was conceived during the height of the International Offshore Rule (IOR) era. While information from the original builder is largely lost to history due to the yard's closure, technical specifications preserved by French marine archives describe a boat that balances the heavydisplacement stability required for offshore passagemaking with the sail area necessary for competitive club racing.

Measurements

Dimensions 01

LOA
36 ft
LWL
29 ft
Beam
12 ft
Draft
5.5 ft
Max headroom
-
Air draft
50 ft

Construction & hull 02

Construction
Fiberglass
Hull type
Monohull
Keel type
Fin
Rudder
1× Skeg-Hung
Ballast
6000 lbs (Lead)
Displacement
16000 lbs
Water
85 gal
Fuel
40 gal

Rig & sails 03

Rig type
Fractional Sloop
P · main luff
41.4 ft
E · main foot
15.2 ft
I · fore ht.
39 ft
J · fore base
12.6 ft
Forestay (est)
40.98 ft
Sail area
694 sqft

Calculations 04

SA/D ratio
17.48
Ballast/Disp.
37.5
D/L ratio
292.87
Comfort ratio
29.05
Capsize screening
1.91
Hull speed
7.22 kn

Built primarily of solid glass-reinforced plastic (GRP), the D’berge 36 is distinguished by its relatively wide beam for its era and a masthead sloop rig. It shares its design DNA with sibling models like the smaller Debarge 33, both of which were lauded in their time for offering a level of interior volume and structural rigidity that was uncommon among more mass-produced French competitors. Today, the D’berge 36 is considered a "sailor’s boat," often found in the hands of enthusiasts who appreciate its distinctive hull lines and French maritime heritage.

Sailing Performance & Handling

The sailing characteristics of the D’berge 36 are heavily influenced by its IOR-era heritage, featuring a pronounced "tumblehome" (the inward curve of the hull as it moves upward toward the deck) and a deep fin keel. These design choices result in a hull that feels exceptionally stiff and stable when the wind picks up, making it a reliable performer in heavy weather. According to technical assessments found in historical French yachting journals like Bateaux, the boat exhibits excellent tracking and a high degree of sea-kindliness, which reduces helm fatigue during long offshore legs.

With a displacement-to-length ratio that leans toward the heavier side of the performance-cruising spectrum, the D’berge 36 is not a light-air flyer. However, its masthead rig provides a massive foretriangle, allowing the boat to carry large genoas that generate significant power once the breeze reaches 10–12 knots. Under sail, the boat is known for its "big boat" feel, punching through chop with authority rather than bouncing over it. The tiller or wheel steering (depending on the specific hull's configuration) provides enough feedback to keep the helmsman engaged without being overly sensitive.

Interior Comfort & Variations

For a 36-footer of its vintage, the D’berge 36 offers an surprisingly voluminous interior, facilitated by its 3.5-meter beam. The layout is traditional, typically featuring a dedicated navigation station to starboard and a longitudinal or L-shaped galley to port. The use of rich teak or mahogany joinery was a hallmark of Chantiers Debarge, providing a warm, seaworthy aesthetic that contrasts with the more clinical fiberglass interiors of modern production boats.

Accommodations generally include a classic V-berth in the bow and a double aft cabin, though variations exist where the aft section was used for a single berth and additional storage for offshore gear. Headroom is generous, often exceeding 1.9 meters in the main saloon, which makes the boat suitable for extended cruising. Unlike its smaller sibling, the Debarge 33, the 36-foot model provides a full-sized head and a more spacious main saloon that can comfortably seat six adults. Because many of these boats were semi-customized, specific interior finishes and layouts may vary significantly between individual hulls.

Known Issues & Buyer’s Checklist

Prospective buyers of a D’berge 36 should prioritize a thorough structural inspection, as these vessels are now entering their fourth or fifth decade of service.

  • Osmosis and Hull Condition: Like many French GRP boats from the late 1970s, the D’berge 36 is susceptible to osmotic blistering. A moisture meter test and a visual inspection of the hull below the waterline are essential.
  • Deck Core Integrity: The deck is typically balsa-cored. Buyers should check for soft spots, particularly around stanchion bases, the mast step, and chainplates, where water ingress can lead to delamination over time.
  • Rudder and Keel Bolts: The rudder post and its bushings should be checked for play. Additionally, the keel-to-hull joint should be inspected for the "smile" or cracks that indicate movement, and the internal keel bolts should be evaluated for corrosion.
  • Engine Maintenance: Most original units were fitted with Volvo Penta or Yanmar diesels. Unless a previous owner has repowered the vessel, the original engine likely requires a detailed mechanical audit, specifically regarding the heat exchanger and sail drive seals (if equipped).
  • Rigging Age: Given the age of the design, the standing rigging must be professionally surveyed. Many of these boats still carry older spar technology that may require updated tangs or spreaders.

The Verdict

The D’berge 36 is an robust, "overbuilt" cruiser that offers a level of character and offshore capability rarely found in the modern used market at this price point.

Pros

  • Solid Construction: Built during an era when fiberglass layups were conservative and thick, providing long-term durability.
  • Sea-Kindliness: Excellent stability and tracking in heavy weather, making it a capable offshore cruiser.
  • Interior Volume: The wide beam translates to a spacious and comfortable living area for a 36-foot boat.

Cons

  • Maintenance Intensive: As a vintage vessel, it requires constant attention to systems, rigging, and cosmetic upkeep.
  • Rare Parts: Since the builder is no longer in operation, sourcing model-specific components (like custom portlights or castings) can be challenging.
  • IOR Quirks: While stable, the IOR hull shape can be prone to "rolling" when sailing deep downwind in following seas.

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