1991 Westerly Seahawk vs 2007 Jeanneau Sun Odyssey 39 DS — Comparison
1991 Westerly Seahawk
Specifications Side by Side
| Specification | 1991 Westerly Seahawk | 2007 Jeanneau Sun Odyssey 39 DS |
|---|---|---|
| General | ||
| Manufacturer | Westerly | Jeanneau |
| Year | 1991–1997 | 2007–2012 |
| Type | Sloop | Sloop |
| Country | UK | France |
| Designer | Ed Dubois | Philippe Briand |
| Dimensions | ||
| LOA | 10.36 m (34.0 ft) | 11.86 m (38.9 ft) |
| LWL | 8.53 m (28.0 ft) | 10.30 m (33.8 ft) |
| Beam | 3.35 m (11.0 ft) | 3.76 m (12.3 ft) |
| Draft | 1.80 m (5.9 ft) | 1.85 m (6.1 ft) |
| Weight | ||
| Displacement | 6,123 kg (13,499 lbs) | 7,600 kg (16,755 lbs) |
| Ballast | 2,495 kg (5,501 lbs) | 2,400 kg (5,291 lbs) |
| Sailing | ||
| Sail Area | 48.0 m² (517 ft²) | 62.0 m² (667 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 28 HP | 29 HP |
| Fuel Capacity | 114 L (30.1 gal) | 120 L (31.7 gal) |
| Water Capacity | 220 L (58.1 gal) | 250 L (66.0 gal) |
| Accommodation | ||
| Berths | 7 | 7 |
| Cabins | 3 | 2 |
Performance Comparison
Detailed Comparison
The 1991 Westerly Seahawk and 2007 Jeanneau Sun Odyssey 39 DS represent two takes on sloop-rigged sailing. The 1991 Westerly Seahawk is a 1990s design by Westerly from UK, while the 2007 Jeanneau Sun Odyssey 39 DS is a 2000s offering from Jeanneau from France. The 1991 Westerly Seahawk was penned by Ed Dubois. The 2007 Jeanneau Sun Odyssey 39 DS was designed by Philippe Briand.
In terms of size, the 1991 Westerly Seahawk measures 10.36m (34.0ft) overall with a beam of 3.35m, compared to the 2007 Jeanneau Sun Odyssey 39 DS at 11.86m (38.9ft) with a 3.76m beam. The 2007 Jeanneau Sun Odyssey 39 DS is 1.50m longer than the 1991 Westerly Seahawk. The 2007 Jeanneau Sun Odyssey 39 DS displaces approximately 24% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1991 Westerly Seahawk has modest sail power for its displacement with an SA/D ratio of 14.57 and 48.0 m² of sail area. The 2007 Jeanneau Sun Odyssey 39 DS, with an SA/D of 16.30 and 62.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 2007 Jeanneau Sun Odyssey 39 DS has the edge in terms of raw sailing performance.
For comfort and safety, the 1991 Westerly Seahawk offers a moderate motion comfort level (comfort ratio: 22.8) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.73). The 2007 Jeanneau Sun Odyssey 39 DS has a comfort ratio of 17.3 and a capsize screening value of 0.77. The ballast ratios are 40.8% for the 1991 Westerly Seahawk and 31.6% for the 2007 Jeanneau Sun Odyssey 39 DS, reflecting their respective approaches to stability.
Below deck, the 1991 Westerly Seahawk provides 7 berths in 3 cabins with 220L of water capacity and 114L of fuel. The 2007 Jeanneau Sun Odyssey 39 DS offers 7 berths in 2 cabins with 250L water and 120L fuel capacity.
Verdict
For cruising: The 1991 Westerly Seahawk 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 2007 Jeanneau Sun Odyssey 39 DS has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: Both boats provide similar accommodation, making either a viable choice for living aboard. Consider water and fuel capacity for extended stays away from marinas.
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Or view individual specs: 1991 Westerly Seahawk · 2007 Jeanneau Sun Odyssey 39 DS