Archambault 40 — Information, Review, Specs

Joubert-Nivelt·2004·Archambault Boats
Archambault 40 drawingBuilder drawing
Hull type
Monohull · fin
Rig
Fractional Sloop
LOA
39.34' · 11.99 m
Displ.
13,669 lbs · 6,200 kg
First year
2004

The Archambault 40, along with its IRCoptimized successor, the Archambault 40RC, represents the pinnacle of the French shipyard’s commitment to the cruiserracer category. Designed by the prolific duo Joubert/Nivelt, the 40 was conceived to dominate the European racing circuit while maintaining a level of interior finish that allows for comfortable delivery trips and family coastal cruising. Unlike the more radical, lightweight flyers produced by some of its contemporaries, the Archambault 40 leans into a philosophy of balanced proportions, utilizing a generous sail area and a deep, highballastratio keel to achieve performance that remains accessible to amateur crews. The hull is typically constructed using vacuuminfused polyester/balsa sandwich techniques, a method that ensures a high strengthtoweight ratio while maintaining the structural rigidity required for hightension rig loads.

Measurements

Dimensions 01

LOA
39.34 ft
LWL
36.91 ft
Beam
12.34 ft
Draft
7.91 ft
Max headroom
-
Air draft
-

Construction & hull 02

Construction
Fiberglass
Hull type
Monohull
Keel type
Fin
Rudder
1× Spade
Ballast
5512 lbs
Displacement
13669 lbs
Water
-
Fuel
-

Rig & sails 03

Rig type
Fractional Sloop
P · main luff
49.21 ft
E · main foot
18.04 ft
I · fore ht.
53.44 ft
J · fore base
14.76 ft
Forestay (est)
55.44 ft
Sail area
1038 sqft

Calculations 04

SA/D ratio
29.05
Ballast/Disp.
40.32
D/L ratio
121.35
Comfort ratio
19.76
Capsize screening
2.06
Hull speed
8.14 kn

Sailing Performance & Handling

The Archambault 40 is frequently praised for its "sweet" helm and predictable behavior when pushed hard downwind. It was designed primarily around the IRC (International Rating Certificate) rule, which often favors boats with reasonable displacement and high stability over ultra-light, planing hulls. Consequently, the boat feels remarkably planted and sea-kindly in a chop. With a high sail area-to-displacement ratio, the vessel is exceptionally responsive in light air, yet it truly shines in 12–20 knots of breeze where the deep T-bulb keel provides the necessary righting moment to carry full sail longer than its competitors.

The cockpit layout is strictly performance-oriented. Most models feature a large-diameter wheel, though some of the early, more racing-focused hulls were delivered with a tiller to provide maximum feedback. In editorial testing, such as reviews by Yachting World, the boat has been noted for its ability to track effortlessly upwind, requiring minimal helm input to find the "groove." The A40RC variant introduced a more refined deck layout and a modernized sail plan, often incorporating carbon fiber spars to further lower the center of gravity and reduce pitching in a seaway.

Interior Comfort & Variations

While the Archambault 40 is a racer first, the interior is surprisingly voluminous and well-finished, avoiding the "stripped-out" aesthetic of pure race boats. The standard configuration features a three-cabin layout: a V-berth forward and two symmetrical double cabins aft. The use of light-colored woods (often Moabi or Alpi) and white moldings prevents the cabin from feeling subterranean. The galley is L-shaped and functional, equipped with a gimbaled stove and enough refrigeration for multi-day offshore racing or weekend cruising.

The primary variation within this model line is the Archambault 40RC (Race-Cruise). The RC version replaced the original A40 around 2007/2008 and featured significant upgrades, including a revised cockpit for better winch ergonomics and a more sophisticated interior finish. While the hull lines remained largely the same, the RC's weight distribution was optimized to better suit the evolving IRC rule. On both models, the headroom is generous for a 40-foot performance boat, typically exceeding six feet in the main saloon, which makes it a viable platform for owners who wish to spend a week on board with family after a regatta.

The Archambault 40 and its sibling, the A35, built a formidable reputation on the European regatta circuit. The model was a staple at major events such as the Spi Ouest-France and the Cowes Week regattas. The A40RC notably played a significant role in the Commodores' Cup, representing various national teams and proving its versatility across a wide range of weather conditions. Its media presence is largely centered in French and British sailing journals, which frequently cited the Archambault 40 as the "boat to beat" in the 40-foot IRC class during the late 2000s.

Known Issues & Buyer’s Checklist

Prospective buyers should focus their inspections on the high-stress areas typical of a boat that has likely spent years on the race course.

  • Keel Grid and Floor Timbers: Because these boats are often campaigned hard, the internal structural grid should be inspected for signs of movement or "smiling" at the keel-to-hull joint. Any cracking in the topcoat around the floor timbers could indicate a previous hard grounding.
  • Rudder Bearings: The large spade rudder on the A40 is subject to significant loads. Play in the rudder stock or stiffness in the steering system usually indicates that the self-aligning bearings are due for replacement.
  • Deck Hardware and Core: The balsa-cored deck is stiff and light, but poorly bedded aftermarket hardware can lead to moisture ingress. Check around winches and the mainsheet track for soft spots or localized delamination.
  • Rigging Loads: If the boat is equipped with the carbon mast option, a professional ultrasonic or visual inspection of the mast tube near the deck collar and the spreaders is essential, as these masts are often tuned to high forestay tensions.

Community & Resources

The community for Archambault owners is largely concentrated in Europe, specifically through the UNCL (Union Nationale pour la Course au Large) in France. While there is no longer a formal factory-supported association since the shipyard's closure, technical support and class information are often found through the IRC rating offices. Owners frequently share tuning guides and maintenance tips via regional sailing forums and IRC racing groups in the UK, France, and Australia.

The Verdict

The Archambault 40 remains one of the most balanced 40-foot racer-cruisers ever produced. It successfully bridges the gap between a focused racing machine and a comfortable family cruiser, offering a level of build quality and sailing "finesse" that is rare in mass-produced boats.

Pros:

  • Outstanding upwind performance and stability.
  • Highly competitive IRC rating profile.
  • Clean, ergonomic cockpit designed for efficient crew work.
  • Functional and attractive three-cabin interior.

Cons:

  • Balsa-cored hulls require careful moisture monitoring.
  • The shipyard is no longer in business, making model-specific spare parts harder to source.
  • Many examples on the market have been heavily raced, requiring a thorough survey of the rig and structure.

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