1988 Valiant Esprit 37 vs 1991 Westerly Seahawk — Comparison

1988 Valiant Esprit 37
VS
1991 Westerly Seahawk1991 Westerly Seahawk

Specifications Side by Side

Specification1988 Valiant Esprit 371991 Westerly Seahawk
General
ManufacturerValiantWesterly
Year1988–19961991–1997
TypeSloopSloop
CountryUSAUK
DesignerBob PerryEd Dubois
Dimensions
LOA11.28 m (37.0 ft)10.36 m (34.0 ft)
LWL9.14 m (30.0 ft)8.53 m (28.0 ft)
Beam3.47 m (11.4 ft)3.35 m (11.0 ft)
Draft1.65 m (5.4 ft)1.80 m (5.9 ft)
Weight
Displacement7,257 kg (15,999 lbs)6,123 kg (13,499 lbs)
Ballast2,948 kg (6,499 lbs)2,495 kg (5,501 lbs)
Sailing
Sail Area58.0 m² (624 ft²)48.0 m² (517 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeModified fullFin
Engine & Tanks
Engine35 HP28 HP
Fuel Capacity132 L (34.9 gal)114 L (30.1 gal)
Water Capacity246 L (65.0 gal)220 L (58.1 gal)
Accommodation
Berths67
Cabins23

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1988 Valiant Esprit 37
15.72
1991 Westerly Seahawk
14.57
Ballast Ratio (Higher = more stability)
1988 Valiant Esprit 37
40.62
1991 Westerly Seahawk
40.75
Capsize Ratio (Lower = safer offshore)
1988 Valiant Esprit 37
0.72
1991 Westerly Seahawk
0.73
Comfort Ratio (Higher = gentler motion)
1988 Valiant Esprit 37
22.22
1991 Westerly Seahawk
22.81

Detailed Comparison

The 1988 Valiant Esprit 37 and 1991 Westerly Seahawk represent two takes on sloop-rigged sailing. The 1988 Valiant Esprit 37 is a 1980s design by Valiant from USA, while the 1991 Westerly Seahawk is a 1990s offering from Westerly from UK. The 1988 Valiant Esprit 37 was penned by Bob Perry. The 1991 Westerly Seahawk was designed by Ed Dubois.

In terms of size, the 1988 Valiant Esprit 37 measures 11.28m (37.0ft) overall with a beam of 3.47m, compared to the 1991 Westerly Seahawk at 10.36m (34.0ft) with a 3.35m beam. The 1988 Valiant Esprit 37 is 0.92m longer than the 1991 Westerly Seahawk. The 1988 Valiant Esprit 37 displaces approximately 19% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1988 Valiant Esprit 37 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.72 and 58.0 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 1988 Valiant Esprit 37 has the edge in terms of raw sailing performance.

For comfort and safety, the 1988 Valiant Esprit 37 offers a moderate motion comfort level (comfort ratio: 22.2) 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 40.6% for the 1988 Valiant Esprit 37 and 40.8% for the 1991 Westerly Seahawk, reflecting their respective approaches to stability.

Below deck, the 1988 Valiant Esprit 37 provides 6 berths in 2 cabins with 246L of water capacity and 132L 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 1988 Valiant Esprit 37 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

Looking for a different matchup? Browse All Boats

Or view individual specs: 1988 Valiant Esprit 37 · 1991 Westerly Seahawk