2020 Jeanneau Sun Odyssey 410 vs 1991 Westerly Seahawk — Comparison

2020 Jeanneau Sun Odyssey 410
VS
1991 Westerly Seahawk1991 Westerly Seahawk

Specifications Side by Side

Specification2020 Jeanneau Sun Odyssey 4101991 Westerly Seahawk
General
ManufacturerJeanneauWesterly
Year20201991–1997
TypeSloopSloop
CountryFranceUK
DesignerPhilippe BriandEd Dubois
Dimensions
LOA12.33 m (40.5 ft)10.36 m (34.0 ft)
LWL11.13 m (36.5 ft)8.53 m (28.0 ft)
Beam4.09 m (13.4 ft)3.35 m (11.0 ft)
Draft2.15 m (7.1 ft)1.80 m (5.9 ft)
Weight
Displacement8,200 kg (18,078 lbs)6,123 kg (13,499 lbs)
Ballast2,500 kg (5,512 lbs)2,495 kg (5,501 lbs)
Sailing
Sail Area72.0 m² (775 ft²)48.0 m² (517 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine40 HP28 HP
Fuel Capacity120 L (31.7 gal)114 L (30.1 gal)
Water Capacity280 L (74.0 gal)220 L (58.1 gal)
Accommodation
Berths87
Cabins33

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2020 Jeanneau Sun Odyssey 410
17.99
1991 Westerly Seahawk
14.57
Ballast Ratio (Higher = more stability)
2020 Jeanneau Sun Odyssey 410
30.49
1991 Westerly Seahawk
40.75
Capsize Ratio (Lower = safer offshore)
2020 Jeanneau Sun Odyssey 410
0.81
1991 Westerly Seahawk
0.73
Comfort Ratio (Higher = gentler motion)
2020 Jeanneau Sun Odyssey 410
14.62
1991 Westerly Seahawk
22.81

Detailed Comparison

The 2020 Jeanneau Sun Odyssey 410 and 1991 Westerly Seahawk represent two takes on sloop-rigged sailing. The 2020 Jeanneau Sun Odyssey 410 is a modern design by Jeanneau from France, while the 1991 Westerly Seahawk is a 1990s offering from Westerly from UK. The 2020 Jeanneau Sun Odyssey 410 was penned by Philippe Briand. The 1991 Westerly Seahawk was designed by Ed Dubois.

In terms of size, the 2020 Jeanneau Sun Odyssey 410 measures 12.33m (40.5ft) overall with a beam of 4.09m, compared to the 1991 Westerly Seahawk at 10.36m (34.0ft) with a 3.35m beam. The 2020 Jeanneau Sun Odyssey 410 is 1.97m longer than the 1991 Westerly Seahawk. The 2020 Jeanneau Sun Odyssey 410 displaces approximately 34% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2020 Jeanneau Sun Odyssey 410 has good sail power for versatile performance with an SA/D ratio of 17.99 and 72.0 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 2020 Jeanneau Sun Odyssey 410 has the edge in terms of raw sailing performance.

For comfort and safety, the 2020 Jeanneau Sun Odyssey 410 offers a firm, racing-oriented motion (comfort ratio: 14.6) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.81). The 1991 Westerly Seahawk has a comfort ratio of 22.8 and a capsize screening value of 0.73. The ballast ratios are 30.5% for the 2020 Jeanneau Sun Odyssey 410 and 40.8% for the 1991 Westerly Seahawk, reflecting their respective approaches to stability.

Below deck, the 2020 Jeanneau Sun Odyssey 410 provides 8 berths in 3 cabins with 280L of water capacity and 120L 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 2020 Jeanneau Sun Odyssey 410 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 2020 Jeanneau Sun Odyssey 410 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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