2018 Dufour 360 Grand Large vs 1991 Westerly Seahawk — Comparison

2018 Dufour 360 Grand Large 2018 Dufour 360 Grand Large
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1991 Westerly Seahawk 1991 Westerly Seahawk

Specifications Side by Side

Specification 2018 Dufour 360 Grand Large 1991 Westerly Seahawk
General
Manufacturer Dufour Westerly
Year 2018–2022 1991–1997
Type Sloop Sloop
Country France UK
Designer Umberto Felci Ed Dubois
Dimensions
LOA 10.30 m (33.8 ft) 10.36 m (34.0 ft)
LWL 9.55 m (31.3 ft) 8.53 m (28.0 ft)
Beam 3.55 m (11.6 ft) 3.35 m (11.0 ft)
Draft 1.90 m (6.2 ft) 1.80 m (5.9 ft)
Weight
Displacement 5,900 kg (13,007 lbs) 6,123 kg (13,499 lbs)
Ballast 1,700 kg (3,748 lbs) 2,495 kg (5,501 lbs)
Sailing
Sail Area 56.5 m² (608 ft²) 48.0 m² (517 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Fin Fin
Engine & Tanks
Engine 30 HP 28 HP
Fuel Capacity 100 L (26.4 gal) 114 L (30.1 gal)
Water Capacity 200 L (52.8 gal) 220 L (58.1 gal)
Accommodation
Berths 6 7
Cabins 2 3

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2018 Dufour 360 Grand Large
17.58
1991 Westerly Seahawk
14.57
Ballast Ratio (Higher = more stability)
2018 Dufour 360 Grand Large
28.81
1991 Westerly Seahawk
40.75
Capsize Ratio (Lower = safer offshore)
2018 Dufour 360 Grand Large
0.79
1991 Westerly Seahawk
0.73
Comfort Ratio (Higher = gentler motion)
2018 Dufour 360 Grand Large
17.55
1991 Westerly Seahawk
22.81

Detailed Comparison

The 2018 Dufour 360 Grand Large and 1991 Westerly Seahawk represent two takes on sloop-rigged sailing. The 2018 Dufour 360 Grand Large is a modern design by Dufour from France, while the 1991 Westerly Seahawk is a 1990s offering from Westerly from UK. The 2018 Dufour 360 Grand Large was penned by Umberto Felci. The 1991 Westerly Seahawk was designed by Ed Dubois.

In terms of size, the 2018 Dufour 360 Grand Large measures 10.30m (33.8ft) overall with a beam of 3.55m, compared to the 1991 Westerly Seahawk at 10.36m (34.0ft) with a 3.35m beam. The 1991 Westerly Seahawk is 0.06m longer than the 2018 Dufour 360 Grand Large. The 1991 Westerly Seahawk displaces approximately 4% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2018 Dufour 360 Grand Large has good sail power for versatile performance with an SA/D ratio of 17.58 and 56.5 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 2018 Dufour 360 Grand Large has the edge in terms of raw sailing performance.

For comfort and safety, the 2018 Dufour 360 Grand Large offers a firm, racing-oriented motion (comfort ratio: 17.6) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.79). The 1991 Westerly Seahawk has a comfort ratio of 22.8 and a capsize screening value of 0.73. The ballast ratios are 28.8% for the 2018 Dufour 360 Grand Large and 40.8% for the 1991 Westerly Seahawk, reflecting their respective approaches to stability.

Below deck, the 2018 Dufour 360 Grand Large provides 6 berths in 2 cabins with 200L of water capacity and 100L 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 2018 Dufour 360 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 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.

Compare Different Boats

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