1997 Nautor Swan 40 vs 1988 Pacific Seacraft 31 — Comparison

1997 Nautor Swan 40
VS
1988 Pacific Seacraft 31

Specifications Side by Side

Specification1997 Nautor Swan 401988 Pacific Seacraft 31
General
ManufacturerNautor SwanPacific Seacraft
Year1997–20021988–2007
TypeSloopSloop
CountryFinlandUSA
DesignerGerman FrersWilliam Crealock
Dimensions
LOA12.30 m (40.4 ft)9.45 m (31.0 ft)
LWL10.36 m (34.0 ft)7.62 m (25.0 ft)
Beam3.85 m (12.6 ft)3.05 m (10.0 ft)
Draft2.20 m (7.2 ft)1.37 m (4.5 ft)
Weight
Displacement8,500 kg (18,739 lbs)4,990 kg (11,001 lbs)
Ballast3,600 kg (7,937 lbs)2,177 kg (4,799 lbs)
Sailing
Sail Area73.5 m² (791 ft²)40.5 m² (436 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFull
Engine & Tanks
Engine40 HP25 HP
Fuel Capacity150 L (39.6 gal)76 L (20.1 gal)
Water Capacity250 L (66.0 gal)151 L (39.9 gal)
Accommodation
Berths65
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1997 Nautor Swan 40
17.93
1988 Pacific Seacraft 31
14.09
Ballast Ratio (Higher = more stability)
1997 Nautor Swan 40
42.35
1988 Pacific Seacraft 31
43.63
Capsize Ratio (Lower = safer offshore)
1997 Nautor Swan 40
0.76
1988 Pacific Seacraft 31
0.71
Comfort Ratio (Higher = gentler motion)
1997 Nautor Swan 40
18.11
1988 Pacific Seacraft 31
26.02

Detailed Comparison

The 1997 Nautor Swan 40 and 1988 Pacific Seacraft 31 represent two takes on sloop-rigged sailing. The 1997 Nautor Swan 40 is a 1990s design by Nautor Swan from Finland, while the 1988 Pacific Seacraft 31 is a 1980s offering from Pacific Seacraft from USA. The 1997 Nautor Swan 40 was penned by German Frers. The 1988 Pacific Seacraft 31 was designed by William Crealock.

In terms of size, the 1997 Nautor Swan 40 measures 12.30m (40.4ft) overall with a beam of 3.85m, compared to the 1988 Pacific Seacraft 31 at 9.45m (31.0ft) with a 3.05m beam. The 1997 Nautor Swan 40 is 2.85m longer than the 1988 Pacific Seacraft 31. The 1997 Nautor Swan 40 displaces approximately 70% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1997 Nautor Swan 40 has good sail power for versatile performance with an SA/D ratio of 17.93 and 73.5 m² of sail area. The 1988 Pacific Seacraft 31, with an SA/D of 14.09 and 40.5 m² of canvas, offers modest sail power for its displacement. The 1997 Nautor Swan 40 has the edge in terms of raw sailing performance.

For comfort and safety, the 1997 Nautor Swan 40 offers a firm, racing-oriented motion (comfort ratio: 18.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.76). The 1988 Pacific Seacraft 31 has a comfort ratio of 26.0 and a capsize screening value of 0.71. The ballast ratios are 42.4% for the 1997 Nautor Swan 40 and 43.6% for the 1988 Pacific Seacraft 31, reflecting their respective approaches to stability.

Below deck, the 1997 Nautor Swan 40 provides 6 berths in 2 cabins with 250L of water capacity and 150L of fuel. The 1988 Pacific Seacraft 31 offers 5 berths in 2 cabins with 151L water and 76L fuel capacity.

Verdict

For cruising: The 1988 Pacific Seacraft 31 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 Nautor Swan 40 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1997 Nautor Swan 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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