1991 Westerly Seahawk vs 1997 Tartan 3700 — Comparison
1991 Westerly Seahawk
Specifications Side by Side
| Specification | 1991 Westerly Seahawk | 1997 Tartan 3700 |
|---|---|---|
| General | ||
| Manufacturer | Westerly | Tartan |
| Year | 1991–1997 | 1997–2006 |
| Type | Sloop | Sloop |
| Country | UK | USA |
| Designer | Ed Dubois | Tim Jackett |
| Dimensions | ||
| LOA | 10.36 m (34.0 ft) | 11.28 m (37.0 ft) |
| LWL | 8.53 m (28.0 ft) | 9.75 m (32.0 ft) |
| Beam | 3.35 m (11.0 ft) | 3.66 m (12.0 ft) |
| Draft | 1.80 m (5.9 ft) | 1.98 m (6.5 ft) |
| Weight | ||
| Displacement | 6,123 kg (13,499 lbs) | 7,031 kg (15,501 lbs) |
| Ballast | 2,495 kg (5,501 lbs) | 2,948 kg (6,499 lbs) |
| Sailing | ||
| Sail Area | 48.0 m² (517 ft²) | 62.0 m² (667 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 28 HP | 35 HP |
| Fuel Capacity | 114 L (30.1 gal) | 130 L (34.3 gal) |
| Water Capacity | 220 L (58.1 gal) | 220 L (58.1 gal) |
| Accommodation | ||
| Berths | 7 | 6 |
| Cabins | 3 | 2 |
Performance Comparison
Detailed Comparison
The 1991 Westerly Seahawk and 1997 Tartan 3700 represent two takes on sloop-rigged sailing. The 1991 Westerly Seahawk is a 1990s design by Westerly from UK, while the 1997 Tartan 3700 is a 1990s offering from Tartan from USA. The 1991 Westerly Seahawk was penned by Ed Dubois. The 1997 Tartan 3700 was designed by Tim Jackett.
In terms of size, the 1991 Westerly Seahawk measures 10.36m (34.0ft) overall with a beam of 3.35m, compared to the 1997 Tartan 3700 at 11.28m (37.0ft) with a 3.66m beam. The 1997 Tartan 3700 is 0.92m longer than the 1991 Westerly Seahawk. The 1997 Tartan 3700 displaces approximately 15% 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 1997 Tartan 3700, with an SA/D of 17.16 and 62.0 m² of canvas, offers good sail power for versatile performance. The 1997 Tartan 3700 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 1997 Tartan 3700 has a comfort ratio of 18.4 and a capsize screening value of 0.77. The ballast ratios are 40.8% for the 1991 Westerly Seahawk and 41.9% for the 1997 Tartan 3700, 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 1997 Tartan 3700 offers 6 berths in 2 cabins with 220L water and 130L 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 1997 Tartan 3700 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 · 1997 Tartan 3700