Ofcet 6.50 Information, Review, Specs

Ofcet 6.50 Drawing
Make
Ofcet
Model
6.50
Builder
Chantier Ofcet
Designer
Etienne Bertrand
Number Built
Production Year(s)
2015 - ??

The Ofcet 6.50 arrived on the offshore racing scene in 2014 like a thunderclap, designed by Etienne Bertrand and built by Chantier Ofcet to disrupt the established hierarchy of the Classe Mini. Purpose-built for the grueling Mini Transat—a solo transatlantic race on 21-foot yachts—the Ofcet 6.50 was conceived as a high-performance "Série" (production) boat. It achieved immediate legendary status when Ian Lipinski sailed an Ofcet 6.50 to victory in the 2015 Mini Transat, a feat that validated its radical design and robust construction. Unlike the more conservative designs of the previous decade, the Ofcet 6.50 embraced a powerful, high-volume hull form that prioritized planning speeds and stability in heavy offshore conditions. According to the Classe Mini Official Site, the boat was officially recognized as a production model in 2015, ensuring its eligibility for the competitive Série rankings where it frequently outperformed even the "Proto" class boats in certain conditions.

Sailing Performance & Handling

The Ofcet 6.50 is defined by its exceptional power-to-weight ratio and its aggressive hull geometry. Featuring a wide beam carried well aft and a distinct chine, the boat is designed to plane early and remain stable at high speeds. Its handling is characterized by high sensitivity; with a deep T-bulb keel and twin rudders, the boat tracks exceptionally well even when pressed hard under a large asymmetric spinnaker.

In editorial evaluations by French marine publications such as Bateaux.com, the model was lauded for its ability to maintain high average speeds in downwind Atlantic swells. The steering is balanced but requires an active hand or a high-end autopilot system to manage the massive sail area. The boat’s performance is most notable in "reaching" and "running" angles, where the hull’s volume prevents the bow from burying, a common issue in older 6.50 designs. While its upwind performance is respectable due to its high form stability, it is truly a machine built for the trades, where it can sustain speeds in the mid-teens for extended periods.

Interior Comfort & Variations

To discuss "comfort" aboard an Ofcet 6.50 is to speak in relative terms; this is a functional racing shell, not a cruiser. The interior is a minimalist landscape of white gelcoat and structural carbon or glass reinforcements. There is no standing headroom—the maximum interior height is roughly 1.4 meters—and the layout is entirely dictated by the needs of a solo sailor.

The standard configuration includes two "pipe berths" or foam cushions located aft under the cockpit, which allow the sailor to sleep on the high side of the boat to optimize weight distribution. The central area is dominated by the keel trunk and the navigation station, which is often a simple carbon-fiber shelf for electronics. While there is no "galley" or "head" in the traditional sense, there is dedicated space for a portable stove and a bucket. The variations within the model are primarily found in the rigging and electronics packages rather than the hull or interior layout, as the Classe Mini Série rules require strict adherence to the original hull and interior molds to maintain a level playing field.

The Ofcet 6.50 is inextricably linked to Ian Lipinski’s dominant 2015 Mini Transat win, which effectively ended the long-standing dominance of the Pogo series in the production class. This victory turned the Ofcet 6.50 into a "must-have" boat for ambitious Mini sailors for several seasons. It was also awarded the prestigious "Voilier de l'Année" (Sailboat of the Year) in 2015 at the Victoires de la Bretagne, a testament to its impact on the French sailing industry. The boat has been featured extensively in documentary footage of the Mini Transat, showcasing its ability to survive and thrive in 30-knot gales mid-Atlantic.

Known Issues & Buyer’s Checklist

Prospective buyers of a used Ofcet 6.50 must approach the purchase with a "racing survey" mindset, as these boats have often been driven across oceans.

  • Rudder Bearings and Stocks: Because the twin rudders are subject to immense loads when planing at 15+ knots, the bearings are high-wear items. Inspect for play in the stocks and signs of stress cracking around the transom attachment points.
  • Deck Hardware Bedding: The constant "pounding" in offshore conditions can loosen stanchions and blocks. Check for moisture ingress in the sandwich core around high-load areas like the mast step and primary winches.
  • Keel Attachment: The deep fin keel exerts massive leverage on the hull structure. A thorough inspection of the keel bolts and the internal structural grid (the "varangues") is essential to ensure no delamination has occurred after a grounding.
  • Electrical System Integrity: Mini 6.50s are notorious for electrical failures due to constant salt spray. Examine the wiring for corrosion and ensure the solar panel and fuel cell integrations (standard for the class) are professionally installed.

Community & Resources

The primary hub for Ofcet 6.50 owners is the Classe Mini (Association des Miniats). This organization manages the class rules and maintains a technical database of all registered hulls. Additionally, Etienne Bertrand’s design office provides technical continuity for the model. For technical discussions specifically regarding maintenance and optimization, the French forum "Hisse et Oh" remains the most active repository of owner knowledge, though much of the content is in French.

The Verdict

The Ofcet 6.50 is a purebred racing machine that offers one of the highest "speed-per-foot" ratios in the sailing world. It is a boat for the dedicated offshore enthusiast rather than the casual weekend sailor.

Pros:

  • Proven Pedigree: A Mini Transat-winning design with a track record of podium finishes.
  • Resale Value: Due to its status as a "Série" class boat, it remains highly sought after by new entrants to the Classe Mini circuit.
  • Safety: Built to rigorous offshore standards, including positive buoyancy requirements.

Cons:

  • Extreme Lack of Comfort: Entirely unsuitable for family cruising or overnighting in anything other than a racing context.
  • High Technical Demand: Requires significant skill to handle under full sail in heavy air.
  • Maintenance Intensive: Racing hardware and high-load systems require constant attention and frequent replacement.

Measurements

Construction & Hull

Construction Material
Fiberglass (Foam Core)
Hull Type
Monohull Sailboat
Keel Type
Bulb
Rudder
2x —
Ballast
-
Displacement
2205 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
21.33 ft
Waterline Length (LWL)
21.33 ft
Beam
9.78 ft
Draft
5.25 ft
Max Headroom
-
Air Draft
36.1 ft
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

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

Calculations

Sail Area / Displacement (SA/D) Ratio
42.12
Ballast / Displacement Ratio
Displacement / Length Ratio (D/L) Ratio
101.44
Comfort Ratio
7.66
Capsize Screening Formula
3.01
Hull Speed
6.19 kn