1991 Westerly Seahawk vs 2001 Tartan 4100 — Comparison
1991 Westerly Seahawk
Specifications Side by Side
| Specification | 1991 Westerly Seahawk | 2001 Tartan 4100 |
|---|---|---|
| General | ||
| Manufacturer | Westerly | Tartan |
| Year | 1991–1997 | 2001–2010 |
| Type | Sloop | Sloop |
| Country | UK | USA |
| Designer | Ed Dubois | Tim Jackett |
| Dimensions | ||
| LOA | 10.36 m (34.0 ft) | 12.50 m (41.0 ft) |
| LWL | 8.53 m (28.0 ft) | 10.67 m (35.0 ft) |
| Beam | 3.35 m (11.0 ft) | 3.96 m (13.0 ft) |
| Draft | 1.80 m (5.9 ft) | 2.13 m (7.0 ft) |
| Weight | ||
| Displacement | 6,123 kg (13,499 lbs) | 9,525 kg (20,999 lbs) |
| Ballast | 2,495 kg (5,501 lbs) | 3,856 kg (8,501 lbs) |
| Sailing | ||
| Sail Area | 48.0 m² (517 ft²) | 75.0 m² (807 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 28 HP | 55 HP |
| Fuel Capacity | 114 L (30.1 gal) | 170 L (44.9 gal) |
| Water Capacity | 220 L (58.1 gal) | 340 L (89.8 gal) |
| Accommodation | ||
| Berths | 7 | 7 |
| Cabins | 3 | 2 |
Performance Comparison
Detailed Comparison
The 1991 Westerly Seahawk and 2001 Tartan 4100 represent two takes on sloop-rigged sailing. The 1991 Westerly Seahawk is a 1990s design by Westerly from UK, while the 2001 Tartan 4100 is a 2000s offering from Tartan from USA. The 1991 Westerly Seahawk was penned by Ed Dubois. The 2001 Tartan 4100 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 2001 Tartan 4100 at 12.50m (41.0ft) with a 3.96m beam. The 2001 Tartan 4100 is 2.14m longer than the 1991 Westerly Seahawk. The 2001 Tartan 4100 displaces approximately 56% 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 2001 Tartan 4100, with an SA/D of 16.96 and 75.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 2001 Tartan 4100 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 2001 Tartan 4100 has a comfort ratio of 18.6 and a capsize screening value of 0.75. The ballast ratios are 40.8% for the 1991 Westerly Seahawk and 40.5% for the 2001 Tartan 4100, 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 2001 Tartan 4100 offers 7 berths in 2 cabins with 340L water and 170L 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 2001 Tartan 4100 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 · 2001 Tartan 4100