Design and Construction
The hull and deck are both solid fiberglass. The fin keel carries 1,257 pounds of iron ballast against a total displacement of 2,866 pounds. That gives the boat a 44 percent ballast ratio, which the survey data places above 69 percent of comparable designs.
Her length-to-beam ratio is 2.76. The same source ranks this broad plan as roomier than 73 percent of similar sailboats. Wetted surface is about 17 square meters.
The displacement-length ratio of 223 places the Dufour 1300 among “moderate racers,” with 46 percent of similar designs being heavier. Her motion comfort ratio falls between 12.5 and 13.1, making her more comfortable than only 27 percent of her peers.
These figures don’t suggest an offshore voyager. The capsize screening value is 2.40, which would bar her from ocean races.
Rig, Performance, and Handling
The Dufour 1300 has a masthead rig with a reference sail area of 257 square feet for the mainsail and jib. Using the ISO 8666 reference sail, her sail-area-to-displacement ratio is 19.8. It rises to 23.7 with a 135 percent genoa.
The data concludes that she’s faster in light wind than 73 percent of similar designs. The same analysis finds that she carries more rig than 76 percent of similar sailboats and is significantly overrigged. In a strong breeze, sailing with the full genoa therefore calls for attentive sail handling.
Standing and running rigging dimensions are fully catalogued. The main, jib, and spinnaker halyards are each 22.6 meters long and 8 mm in diameter. Jib and genoa sheets are 7.3 meters at 10 mm, while the mainsheet is 18.2 meters at 10 mm.
The theoretical hull speed is 5.7 knots, and immersion is about 544 pounds per inch. Draft ranges from 1.50 to 1.60 meters depending on load, shallow enough for most marinas.
Accommodations and Cruising Range
The beamy hull is the Dufour 1300’s principal accommodation asset. Ranked in the 73rd percentile for space among comparable boats, it gives this 23-foot design a footprint closer to that of larger boats.
Fresh-water capacity is 100 liters, or 26 US gallons. That supports short coastal cruising rather than extended liveaboard use.
Design Boundaries
The cautions implicit in the data concern performance limits rather than known faults. The capsize screening value excludes the boat from ocean racing, while the large rig means that a full genoa in a strong breeze requires attentive handling. Buyers should understand these as design boundaries, not defects.
Verdict
The Dufour 1300 is a narrowly focused small cruiser: light, beamy, and quick in light air, with a large rig and high ballast ratio. She’s plainly intended for sheltered-water daysailing and coastal hopping rather than passage-making.
With 60 boats built over a three-year production run, she’s a scarce but findable 1970s Dufour. Her numbers suit sailors who value space and sparkle over bluewater credentials.
Pros
- Beamy hull ranks as roomier than 73 percent of similar designs
- 44 percent ballast ratio exceeds that of 69 percent of peers
- With a genoa, light-air speed exceeds that of 73 percent of comparable boats
Cons
- Capsize screening value of 2.40 excludes her from ocean-race acceptance
- Comfort ratio is below that of 73 percent of similar sailboats
- Water capacity of only 100 liters limits cruising range







