1978 Bristol 40 vs 1988 Valiant Esprit 37 — Comparison

1978 Bristol 401978 Bristol 40
VS
1988 Valiant Esprit 37

Specifications Side by Side

Specification1978 Bristol 401988 Valiant Esprit 37
General
ManufacturerBristolValiant
Year1978–19831988–1996
TypeSloopSloop
CountryUSAUSA
DesignerTed HoodBob Perry
Dimensions
LOA12.19 m (40.0 ft)11.28 m (37.0 ft)
LWL9.14 m (30.0 ft)9.14 m (30.0 ft)
Beam3.35 m (11.0 ft)3.47 m (11.4 ft)
Draft1.68 m (5.5 ft)1.65 m (5.4 ft)
Weight
Displacement8,165 kg (18,001 lbs)7,257 kg (15,999 lbs)
Ballast3,402 kg (7,500 lbs)2,948 kg (6,499 lbs)
Sailing
Sail Area62.4 m² (672 ft²)58.0 m² (624 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinModified full
Engine & Tanks
Engine35 HP35 HP
Fuel Capacity114 L (30.1 gal)132 L (34.9 gal)
Water Capacity189 L (49.9 gal)246 L (65.0 gal)
Accommodation
Berths76
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1978 Bristol 40
15.63
1988 Valiant Esprit 37
15.72
Ballast Ratio (Higher = more stability)
1978 Bristol 40
41.67
1988 Valiant Esprit 37
40.62
Capsize Ratio (Lower = safer offshore)
1978 Bristol 40
0.67
1988 Valiant Esprit 37
0.72
Comfort Ratio (Higher = gentler motion)
1978 Bristol 40
24.80
1988 Valiant Esprit 37
22.22

Detailed Comparison

The 1978 Bristol 40 and 1988 Valiant Esprit 37 represent two takes on sloop-rigged sailing. The 1978 Bristol 40 is a 1970s design by Bristol from USA, while the 1988 Valiant Esprit 37 is a 1980s offering from Valiant from USA. The 1978 Bristol 40 was penned by Ted Hood. The 1988 Valiant Esprit 37 was designed by Bob Perry.

In terms of size, the 1978 Bristol 40 measures 12.19m (40.0ft) overall with a beam of 3.35m, compared to the 1988 Valiant Esprit 37 at 11.28m (37.0ft) with a 3.47m beam. The 1978 Bristol 40 is 0.91m longer than the 1988 Valiant Esprit 37. The 1978 Bristol 40 displaces approximately 13% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1978 Bristol 40 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.63 and 62.4 m² of sail area. The 1988 Valiant Esprit 37, with an SA/D of 15.72 and 58.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1988 Valiant Esprit 37 has the edge in terms of raw sailing performance.

For comfort and safety, the 1978 Bristol 40 offers a moderate motion comfort level (comfort ratio: 24.8) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.67). The 1988 Valiant Esprit 37 has a comfort ratio of 22.2 and a capsize screening value of 0.72. The ballast ratios are 41.7% for the 1978 Bristol 40 and 40.6% for the 1988 Valiant Esprit 37, reflecting their respective approaches to stability.

Below deck, the 1978 Bristol 40 provides 7 berths in 2 cabins with 189L of water capacity and 114L of fuel. The 1988 Valiant Esprit 37 offers 6 berths in 2 cabins with 246L water and 132L fuel capacity.

Verdict

For cruising: The 1978 Bristol 40 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 1978 Bristol 40 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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