2012 Dufour 410 Grand Large vs 1983 Pearson 31 — Comparison
1983 Pearson 31
Specifications Side by Side
| Specification | 2012 Dufour 410 Grand Large | 1983 Pearson 31 |
|---|---|---|
| General | ||
| Manufacturer | Dufour | Pearson |
| Year | 2012–2017 | 1983–1990 |
| Type | Sloop | Sloop |
| Country | France | USA |
| Designer | Umberto Felci | William Shaw |
| Dimensions | ||
| LOA | 12.35 m (40.5 ft) | 9.45 m (31.0 ft) |
| LWL | 10.82 m (35.5 ft) | 7.77 m (25.5 ft) |
| Beam | 4.02 m (13.2 ft) | 3.10 m (10.2 ft) |
| Draft | 2.10 m (6.9 ft) | 1.52 m (5.0 ft) |
| Weight | ||
| Displacement | 8,500 kg (18,739 lbs) | 4,309 kg (9,500 lbs) |
| Ballast | 2,600 kg (5,732 lbs) | 1,814 kg (3,999 lbs) |
| Sailing | ||
| Sail Area | 72.0 m² (775 ft²) | 40.0 m² (431 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 40 HP | 18 HP |
| Fuel Capacity | 120 L (31.7 gal) | 68 L (18.0 gal) |
| Water Capacity | 250 L (66.0 gal) | 114 L (30.1 gal) |
| Accommodation | ||
| Berths | 8 | 6 |
| Cabins | 3 | 2 |
Performance Comparison
Detailed Comparison
The 2012 Dufour 410 Grand Large and 1983 Pearson 31 represent two takes on sloop-rigged sailing. The 2012 Dufour 410 Grand Large is a modern design by Dufour from France, while the 1983 Pearson 31 is a 1980s offering from Pearson from USA. The 2012 Dufour 410 Grand Large was penned by Umberto Felci. The 1983 Pearson 31 was designed by William Shaw.
In terms of size, the 2012 Dufour 410 Grand Large measures 12.35m (40.5ft) overall with a beam of 4.02m, compared to the 1983 Pearson 31 at 9.45m (31.0ft) with a 3.10m beam. The 2012 Dufour 410 Grand Large is 2.90m longer than the 1983 Pearson 31. The 2012 Dufour 410 Grand Large displaces approximately 97% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 2012 Dufour 410 Grand Large has good sail power for versatile performance with an SA/D ratio of 17.56 and 72.0 m² of sail area. The 1983 Pearson 31, with an SA/D of 15.35 and 40.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 2012 Dufour 410 Grand Large has the edge in terms of raw sailing performance.
For comfort and safety, the 2012 Dufour 410 Grand Large offers a firm, racing-oriented motion (comfort ratio: 16.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.79). The 1983 Pearson 31 has a comfort ratio of 21.4 and a capsize screening value of 0.76. The ballast ratios are 30.6% for the 2012 Dufour 410 Grand Large and 42.1% for the 1983 Pearson 31, reflecting their respective approaches to stability.
Below deck, the 2012 Dufour 410 Grand Large provides 8 berths in 3 cabins with 250L of water capacity and 120L of fuel. The 1983 Pearson 31 offers 6 berths in 2 cabins with 114L water and 68L fuel capacity.
Verdict
For cruising: The 1983 Pearson 31 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 2012 Dufour 410 Grand Large has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The 2012 Dufour 410 Grand Large 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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Or view individual specs: 2012 Dufour 410 Grand Large · 1983 Pearson 31