The Archambault M34 stands as a testament to a specific era of professional offshore racing, designed specifically to succeed the legendary Farr 30 as the official boat for the Tour de France à la Voile (TFV). Launched in 2010, this Joubert-Nivelt design was engineered to bridge the gap between technical harbor racing and grueling offshore legs. Unlike many of its predecessors in the Archambault stable, which were often optimized for the IRC rating rule, the M34 was conceived primarily as a strict one-design racer. It features a vacuum-infused hull with a PVC foam core, a carbon fiber Southern Spars rig, and a distinctive lifting keel that facilitates easier road transport—a critical requirement for the logistics of the multi-port French racing circuit.
Archambault M34 Information, Review, Specs

- Make
- Archambault
- Model
- M34
- Builder
- Archambault Boats
- Designer
- Joubert/Nivelt/Mercier
- Number Built
- Production Year(s)
- 2010 - ??
Sailing Performance & Handling
The M34 is a high-strung, responsive machine that rewards precision and physical stamina. When it replaced the Farr 30, it was designed to be more powerful and seaworthy for the offshore stretches of the Atlantic and Mediterranean. With a high sail-area-to-displacement ratio and a generous asymmetric spinnaker flown from a retractable carbon bowsprit, the boat transitions to a plane with ease. Yachting World notes that the M34 was built to be faster and more stable than its predecessor, particularly when reaching and running in heavy air.
The handling characteristics are defined by its deep 2.5-meter T-bulb keel, which provides a high ballast ratio, allowing the boat to carry its large sail plan longer into the breeze. However, sailors often report that the boat requires active trimming; it is sensitive to weight distribution and heel angle. The twin-rudder setup found on some contemporary racers is absent here—the M34 utilizes a single, deep spade rudder that provides exceptional "feel" but demands attention to prevent stalls during high-speed broaches. In light air, the hull's relatively narrow waterline helps maintain momentum, making it a formidable competitor in tactical "round-the-cans" racing.
Interior Comfort & Variations
True to its "M" (Monotype) designation, the interior of the M34 is utilitarian and weight-conscious, prioritizing racing logistics over domestic luxury. While it qualifies as an enclosed vessel, the living spaces are spartan. The layout consists primarily of four to six adjustable pipe cots to allow for "stacking" (moving weight to the windward side), a rudimentary galley, and a navigation station that serves as the boat's nerve center. Headroom is limited, and the finishes are largely raw carbon and gelcoat.
Unlike the Archambault A-series (such as the A31 or A35), which were offered in various "Comfort" or "Race" packages, the M34 was produced with a singular focus. There are no significant "cruising" variants of this hull. The boat's internal structure is reinforced to handle the immense loads of the lifting keel mechanism, which dominates the central cabin area. This mechanism allows the keel to be raised to 1.7 meters for harbor maneuvering or trailering, but it also dictates the interior flow, effectively splitting the cabin.
Popular Mentions & Media
The M34's identity is inextricably linked to the Tour de France à la Voile. From 2011 to 2014, it was the focal point of the European professional racing scene, featured heavily in French sports media and international sailing broadcasts. Famous skippers like Franck Cammas and Daniel Souben led teams aboard the M34, cementing its status in the professional sailing canon. The boat’s tenure in the TFV ended in 2015 when the regatta transitioned to the Diam 24 trimaran, a move that shifted the event toward multihulls but left the M34 as a sought-after platform for IRC and ORC offshore racing.
Known Issues & Buyer’s Checklist
Purchasing a used M34 requires a specialist survey, as most hulls have been campaigned heavily in professional circuits.
- Keel Lifting Mechanism: The hydraulic or manual winch system used to raise and lower the keel is a primary point of failure. Buyers should inspect the stainless steel components for stress corrosion and the keel trunk for signs of lateral movement or "fretting" caused by the keel moving within its casing.
- Carbon Mast and Rigging: The Southern Spars carbon rig should be ultra-sounded or dye-tested, especially around the spreaders and the mast base. These boats were often pushed to their structural limits in heavy offshore conditions.
- Hull/Deck Joint and Pulleys: High-load areas around the winches and the mainsheet track often show "spiderweb" crazing in the gelcoat. While often cosmetic, they can indicate core compression if the boat was over-tensioned.
- Engine Maintenance: The M34 is typically powered by a small Volvo Penta or Yanmar saildrive. Because these were racing boats, engines often have low hours but may have suffered from neglect or saltwater ingress due to the lightweight, minimalist engine boxes.
Community & Resources
Owners of the M34 often find technical support through the broader Archambault community. While the shipyard is defunct, the Joubert-Nivelt Design firm remains a primary source for original design specifications and structural questions. Technical discussions and tuning guides are frequently shared within the "M34 Class" archives (though the class association is less active than during the TFV years) and among IRC racing collectives in France and the UK.
The Verdict
The Archambault M34 is a specialist tool—a "grand prix" racer that offers high-performance thrills for a fraction of the cost of a modern custom build. It is not a family cruiser, nor is it a beginner's boat.
Pros:
- Elite Speed: Exceptional downwind performance and planning capability.
- Transportability: The lifting keel and removable rig make it one of the largest truly "trailerable" offshore racers.
- Build Quality: High-end vacuum infusion results in a very stiff, light hull.
Cons:
- Lack of Comfort: The interior is strictly for sleeping between race shifts.
- High Maintenance: Carbon components and the lifting keel require expensive, specialized upkeep.
- Demanding: Requires a skilled crew to reach its performance potential and avoid wipeouts in heavy air.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Bulb
- Rudder
- 1x —
- Ballast
- 2315 lbs (Lead)
- Displacement
- 5952 lbs
- Water Capacity
- -
- Fuel Capacity
- 13 gal
Dimensions
- Length Overall (LOA)
- 34 ft
- Waterline Length (LWL)
- -
- Beam
- 9.75 ft
- Draft
- 8.16 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Fractional Sloop
- P (Main Luff)
- 45.4 ft
- E (Main Foot)
- 15.7 ft
- I (Foretriangle Height)
- 43.33 ft
- J (Foretriangle Base)
- 13.2 ft
- Forestay Length (est)
- 45.3 ft
- Sail Area
- 642 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 31.27
- Ballast / Displacement Ratio
- 38.89
- Displacement / Length Ratio (D/L) Ratio
- —
- Comfort Ratio
- —
- Capsize Screening Formula
- 2.15
- Hull Speed
- — kn