1981 Ericson 30+ vs Dufour 40 — Comparison
Dufour 40
Specifications Side by Side
| Specification | 1981 Ericson 30+ | Dufour 40 |
|---|---|---|
| General | ||
| Manufacturer | Ericson | Dufour |
| Year | 1981–1986 | 2007–2012 |
| Type | Sloop | Sloop |
| Country | USA | France |
| Designer | Bruce King | Umberto Felci |
| Dimensions | ||
| LOA | 9.14 m (30.0 ft) | 12.05 m (39.5 ft) |
| LWL | 7.62 m (25.0 ft) | 10.55 m (34.6 ft) |
| Beam | 3.05 m (10.0 ft) | 3.85 m (12.6 ft) |
| Draft | 1.52 m (5.0 ft) | 1.95 m (6.4 ft) |
| Weight | ||
| Displacement | 4,082 kg (8,999 lbs) | 7,800 kg (17,196 lbs) |
| Ballast | 1,678 kg (3,699 lbs) | 2,400 kg (5,291 lbs) |
| Sailing | ||
| Sail Area | 39.7 m² (427 ft²) | 68.0 m² (732 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 15 HP | 40 HP |
| Fuel Capacity | 57 L (15.1 gal) | 160 L (42.3 gal) |
| Water Capacity | 76 L (20.1 gal) | 300 L (79.3 gal) |
| Accommodation | ||
| Berths | 6 | 8 |
| Cabins | 1 | 3 |
Performance Comparison
Detailed Comparison
The 1981 Ericson 30+ and Dufour 40 represent two takes on sloop-rigged sailing. The 1981 Ericson 30+ is a 1980s design by Ericson from USA, while the Dufour 40 is a 2000s offering from Dufour from France. The 1981 Ericson 30+ was penned by Bruce King. The Dufour 40 was designed by Umberto Felci.
In terms of size, the 1981 Ericson 30+ measures 9.14m (30.0ft) overall with a beam of 3.05m, compared to the Dufour 40 at 12.05m (39.5ft) with a 3.85m beam. The Dufour 40 is 2.91m longer than the 1981 Ericson 30+. The Dufour 40 displaces approximately 91% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1981 Ericson 30+ has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.79 and 39.7 m² of sail area. The Dufour 40, with an SA/D of 17.56 and 68.0 m² of canvas, offers good sail power for versatile performance. The Dufour 40 has the edge in terms of raw sailing performance.
For comfort and safety, the 1981 Ericson 30+ offers a moderate motion comfort level (comfort ratio: 21.8) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.76). The Dufour 40 has a comfort ratio of 16.4 and a capsize screening value of 0.78. The ballast ratios are 41.1% for the 1981 Ericson 30+ and 30.8% for the Dufour 40, reflecting their respective approaches to stability.
Below deck, the 1981 Ericson 30+ provides 6 berths in 1 cabin with 76L of water capacity and 57L of fuel. The Dufour 40 offers 8 berths in 3 cabins with 300L water and 160L fuel capacity.
Verdict
For cruising: The 1981 Ericson 30+ is the better choice for comfortable cruising thanks to its higher comfort ratio, offering a gentler motion at sea that crews will appreciate on longer passages.
For racing: The Dufour 40 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The Dufour 40 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.
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