1991 Westerly Seahawk vs 1983 Tartan 37 — Comparison
1991 Westerly Seahawk
1983 Tartan 37
Specifications Side by Side
| Specification | 1991 Westerly Seahawk | 1983 Tartan 37 |
|---|---|---|
| General | ||
| Manufacturer | Westerly | Tartan |
| Year | 1991–1997 | 1983–1989 |
| Type | Sloop | Sloop |
| Country | UK | USA |
| Designer | Ed Dubois | Sparkman & Stephens |
| Dimensions | ||
| LOA | 10.36 m (34.0 ft) | 11.28 m (37.0 ft) |
| LWL | 8.53 m (28.0 ft) | 9.14 m (30.0 ft) |
| Beam | 3.35 m (11.0 ft) | 3.56 m (11.7 ft) |
| Draft | 1.80 m (5.9 ft) | 1.83 m (6.0 ft) |
| Weight | ||
| Displacement | 6,123 kg (13,499 lbs) | 7,258 kg (16,001 lbs) |
| Ballast | 2,495 kg (5,501 lbs) | 3,084 kg (6,799 lbs) |
| Sailing | ||
| Sail Area | 48.0 m² (517 ft²) | 57.0 m² (614 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 28 HP | 30 HP |
| Fuel Capacity | 114 L (30.1 gal) | 114 L (30.1 gal) |
| Water Capacity | 220 L (58.1 gal) | 200 L (52.8 gal) |
| Accommodation | ||
| Berths | 7 | 7 |
| Cabins | 3 | 2 |
Performance Comparison
Detailed Comparison
The 1991 Westerly Seahawk and 1983 Tartan 37 represent two takes on sloop-rigged sailing. The 1991 Westerly Seahawk is a 1990s design by Westerly from UK, while the 1983 Tartan 37 is a 1980s offering from Tartan from USA. The 1991 Westerly Seahawk was penned by Ed Dubois. The 1983 Tartan 37 was designed by Sparkman & Stephens.
In terms of size, the 1991 Westerly Seahawk measures 10.36m (34.0ft) overall with a beam of 3.35m, compared to the 1983 Tartan 37 at 11.28m (37.0ft) with a 3.56m beam. The 1983 Tartan 37 is 0.92m longer than the 1991 Westerly Seahawk. The 1983 Tartan 37 displaces approximately 19% 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 Tartan 37, with an SA/D of 15.45 and 57.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1983 Tartan 37 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 Tartan 37 has a comfort ratio of 21.5 and a capsize screening value of 0.74. The ballast ratios are 40.8% for the 1991 Westerly Seahawk and 42.5% for the 1983 Tartan 37, 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 Tartan 37 offers 7 berths in 2 cabins with 200L 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 1983 Tartan 37 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: Both boats provide similar accommodation, making either a viable choice for 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 Tartan 37