Jeanneau Sun Odyssey 389 vs 1991 Westerly Seahawk — Comparison

Jeanneau Sun Odyssey 389Jeanneau Sun Odyssey 389
VS
1991 Westerly Seahawk1991 Westerly Seahawk

Specifications Side by Side

SpecificationJeanneau Sun Odyssey 3891991 Westerly Seahawk
General
ManufacturerJeanneauWesterly
Year20191991–1997
TypeSloopSloop
CountryFranceUK
DesignerMarc LombardEd Dubois
Dimensions
LOA11.75 m (38.5 ft)10.36 m (34.0 ft)
LWL10.40 m (34.1 ft)8.53 m (28.0 ft)
Beam3.76 m (12.3 ft)3.35 m (11.0 ft)
Draft1.90 m (6.2 ft)1.80 m (5.9 ft)
Weight
Displacement7,600 kg (16,755 lbs)6,123 kg (13,499 lbs)
Ballast2,300 kg (5,071 lbs)2,495 kg (5,501 lbs)
Sailing
Sail Area64.0 m² (689 ft²)48.0 m² (517 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine29 HP28 HP
Fuel Capacity160 L (42.3 gal)114 L (30.1 gal)
Water Capacity280 L (74.0 gal)220 L (58.1 gal)
Accommodation
Berths67
Cabins23

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Jeanneau Sun Odyssey 389
16.82
1991 Westerly Seahawk
14.57
Ballast Ratio (Higher = more stability)
Jeanneau Sun Odyssey 389
30.26
1991 Westerly Seahawk
40.75
Capsize Ratio (Lower = safer offshore)
Jeanneau Sun Odyssey 389
0.77
1991 Westerly Seahawk
0.73
Comfort Ratio (Higher = gentler motion)
Jeanneau Sun Odyssey 389
17.14
1991 Westerly Seahawk
22.81

Detailed Comparison

The Jeanneau Sun Odyssey 389 and 1991 Westerly Seahawk represent two takes on sloop-rigged sailing. The Jeanneau Sun Odyssey 389 is a modern design by Jeanneau from France, while the 1991 Westerly Seahawk is a 1990s offering from Westerly from UK. The Jeanneau Sun Odyssey 389 was penned by Marc Lombard. The 1991 Westerly Seahawk was designed by Ed Dubois.

In terms of size, the Jeanneau Sun Odyssey 389 measures 11.75m (38.5ft) overall with a beam of 3.76m, compared to the 1991 Westerly Seahawk at 10.36m (34.0ft) with a 3.35m beam. The Jeanneau Sun Odyssey 389 is 1.39m longer than the 1991 Westerly Seahawk. The Jeanneau Sun Odyssey 389 displaces approximately 24% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Jeanneau Sun Odyssey 389 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.82 and 64.0 m² of sail area. The 1991 Westerly Seahawk, with an SA/D of 14.57 and 48.0 m² of canvas, offers modest sail power for its displacement. The Jeanneau Sun Odyssey 389 has the edge in terms of raw sailing performance.

For comfort and safety, the Jeanneau Sun Odyssey 389 offers a firm, racing-oriented motion (comfort ratio: 17.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1991 Westerly Seahawk has a comfort ratio of 22.8 and a capsize screening value of 0.73. The ballast ratios are 30.3% for the Jeanneau Sun Odyssey 389 and 40.8% for the 1991 Westerly Seahawk, reflecting their respective approaches to stability.

Below deck, the Jeanneau Sun Odyssey 389 provides 6 berths in 2 cabins with 280L of water capacity and 160L of fuel. The 1991 Westerly Seahawk offers 7 berths in 3 cabins with 220L water and 114L 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 Jeanneau Sun Odyssey 389 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1991 Westerly Seahawk 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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