1981 Nautor Swan 36 vs 1991 Westerly Seahawk — Comparison

1981 Nautor Swan 36 1981 Nautor Swan 36
VS
1991 Westerly Seahawk 1991 Westerly Seahawk

Specifications Side by Side

Specification 1981 Nautor Swan 36 1991 Westerly Seahawk
General
Manufacturer Nautor Swan Westerly
Year 1981–1989 1991–1997
Type Sloop Sloop
Country Finland UK
Designer Sparkman & Stephens Ed Dubois
Dimensions
LOA 10.97 m (36.0 ft) 10.36 m (34.0 ft)
LWL 8.53 m (28.0 ft) 8.53 m (28.0 ft)
Beam 3.35 m (11.0 ft) 3.35 m (11.0 ft)
Draft 1.98 m (6.5 ft) 1.80 m (5.9 ft)
Weight
Displacement 6,350 kg (13,999 lbs) 6,123 kg (13,499 lbs)
Ballast 2,722 kg (6,001 lbs) 2,495 kg (5,501 lbs)
Sailing
Sail Area 54.5 m² (587 ft²) 48.0 m² (517 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Fin Fin
Engine & Tanks
Engine 28 HP 28 HP
Fuel Capacity 100 L (26.4 gal) 114 L (30.1 gal)
Water Capacity 180 L (47.6 gal) 220 L (58.1 gal)
Accommodation
Berths 6 7
Cabins 2 3

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1981 Nautor Swan 36
16.15
1991 Westerly Seahawk
14.57
Ballast Ratio (Higher = more stability)
1981 Nautor Swan 36
42.87
1991 Westerly Seahawk
40.75
Capsize Ratio (Lower = safer offshore)
1981 Nautor Swan 36
0.72
1991 Westerly Seahawk
0.73
Comfort Ratio (Higher = gentler motion)
1981 Nautor Swan 36
22.73
1991 Westerly Seahawk
22.81

Detailed Comparison

The 1981 Nautor Swan 36 and 1991 Westerly Seahawk represent two takes on sloop-rigged sailing. The 1981 Nautor Swan 36 is a 1980s design by Nautor Swan from Finland, while the 1991 Westerly Seahawk is a 1990s offering from Westerly from UK. The 1981 Nautor Swan 36 was penned by Sparkman & Stephens. The 1991 Westerly Seahawk was designed by Ed Dubois.

In terms of size, the 1981 Nautor Swan 36 measures 10.97m (36.0ft) overall with a beam of 3.35m, compared to the 1991 Westerly Seahawk at 10.36m (34.0ft) with a 3.35m beam. The 1981 Nautor Swan 36 is 0.61m longer than the 1991 Westerly Seahawk. The 1981 Nautor Swan 36 displaces approximately 4% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1981 Nautor Swan 36 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.15 and 54.5 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 1981 Nautor Swan 36 has the edge in terms of raw sailing performance.

For comfort and safety, the 1981 Nautor Swan 36 offers a moderate motion comfort level (comfort ratio: 22.7) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.72). The 1991 Westerly Seahawk has a comfort ratio of 22.8 and a capsize screening value of 0.73. The ballast ratios are 42.9% for the 1981 Nautor Swan 36 and 40.8% for the 1991 Westerly Seahawk, reflecting their respective approaches to stability.

Below deck, the 1981 Nautor Swan 36 provides 6 berths in 2 cabins with 180L 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 1981 Nautor Swan 36 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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