1991 Westerly Seahawk vs 1983 Pearson 31 — Comparison
1991 Westerly Seahawk
1983 Pearson 31
Specifications Side by Side
| Specification | 1991 Westerly Seahawk | 1983 Pearson 31 |
|---|---|---|
| General | ||
| Manufacturer | Westerly | Pearson |
| Year | 1991–1997 | 1983–1990 |
| Type | Sloop | Sloop |
| Country | UK | USA |
| Designer | Ed Dubois | William Shaw |
| Dimensions | ||
| LOA | 10.36 m (34.0 ft) | 9.45 m (31.0 ft) |
| LWL | 8.53 m (28.0 ft) | 7.77 m (25.5 ft) |
| Beam | 3.35 m (11.0 ft) | 3.10 m (10.2 ft) |
| Draft | 1.80 m (5.9 ft) | 1.52 m (5.0 ft) |
| Weight | ||
| Displacement | 6,123 kg (13,499 lbs) | 4,309 kg (9,500 lbs) |
| Ballast | 2,495 kg (5,501 lbs) | 1,814 kg (3,999 lbs) |
| Sailing | ||
| Sail Area | 48.0 m² (517 ft²) | 40.0 m² (431 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 28 HP | 18 HP |
| Fuel Capacity | 114 L (30.1 gal) | 68 L (18.0 gal) |
| Water Capacity | 220 L (58.1 gal) | 114 L (30.1 gal) |
| Accommodation | ||
| Berths | 7 | 6 |
| Cabins | 3 | 2 |
Performance Comparison
Detailed Comparison
The 1991 Westerly Seahawk and 1983 Pearson 31 represent two takes on sloop-rigged sailing. The 1991 Westerly Seahawk is a 1990s design by Westerly from UK, while the 1983 Pearson 31 is a 1980s offering from Pearson from USA. The 1991 Westerly Seahawk was penned by Ed Dubois. The 1983 Pearson 31 was designed by William Shaw.
In terms of size, the 1991 Westerly Seahawk measures 10.36m (34.0ft) overall with a beam of 3.35m, compared to the 1983 Pearson 31 at 9.45m (31.0ft) with a 3.10m beam. The 1991 Westerly Seahawk is 0.91m longer than the 1983 Pearson 31. The 1991 Westerly Seahawk displaces approximately 42% 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 1983 Pearson 31, with an SA/D of 15.35 and 40.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1983 Pearson 31 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 1983 Pearson 31 has a comfort ratio of 21.4 and a capsize screening value of 0.76. The ballast ratios are 40.8% for the 1991 Westerly Seahawk and 42.1% for the 1983 Pearson 31, 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 1983 Pearson 31 offers 6 berths in 2 cabins with 114L water and 68L 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 1983 Pearson 31 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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Or view individual specs: 1991 Westerly Seahawk · 1983 Pearson 31