1997 Nautor Swan 40 vs Dufour 365 Grand Large — Comparison

1997 Nautor Swan 40
VS
Dufour 365 Grand Large

Specifications Side by Side

Specification1997 Nautor Swan 40Dufour 365 Grand Large
General
ManufacturerNautor SwanDufour
Year1997–20022003–2007
TypeSloopSloop
CountryFinlandFrance
DesignerGerman FrersUmberto Felci
Dimensions
LOA12.30 m (40.4 ft)10.97 m (36.0 ft)
LWL10.36 m (34.0 ft)9.72 m (31.9 ft)
Beam3.85 m (12.6 ft)3.52 m (11.5 ft)
Draft2.20 m (7.2 ft)1.80 m (5.9 ft)
Weight
Displacement8,500 kg (18,739 lbs)6,100 kg (13,448 lbs)
Ballast3,600 kg (7,937 lbs)1,850 kg (4,079 lbs)
Sailing
Sail Area73.5 m² (791 ft²)57.5 m² (619 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine40 HP21 HP
Fuel Capacity150 L (39.6 gal)120 L (31.7 gal)
Water Capacity250 L (66.0 gal)210 L (55.5 gal)
Accommodation
Berths66
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1997 Nautor Swan 40
17.93
Dufour 365 Grand Large
17.50
Ballast Ratio (Higher = more stability)
1997 Nautor Swan 40
42.35
Dufour 365 Grand Large
30.33
Capsize Ratio (Lower = safer offshore)
1997 Nautor Swan 40
0.76
Dufour 365 Grand Large
0.77
Comfort Ratio (Higher = gentler motion)
1997 Nautor Swan 40
18.11
Dufour 365 Grand Large
17.21

Detailed Comparison

The 1997 Nautor Swan 40 and Dufour 365 Grand Large represent two takes on sloop-rigged sailing. The 1997 Nautor Swan 40 is a 1990s design by Nautor Swan from Finland, while the Dufour 365 Grand Large is a 2000s offering from Dufour from France. The 1997 Nautor Swan 40 was penned by German Frers. The Dufour 365 Grand Large was designed by Umberto Felci.

In terms of size, the 1997 Nautor Swan 40 measures 12.30m (40.4ft) overall with a beam of 3.85m, compared to the Dufour 365 Grand Large at 10.97m (36.0ft) with a 3.52m beam. The 1997 Nautor Swan 40 is 1.33m longer than the Dufour 365 Grand Large. The 1997 Nautor Swan 40 displaces approximately 39% 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 Dufour 365 Grand Large, with an SA/D of 17.50 and 57.5 m² of canvas, offers good sail power for versatile performance. 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 Dufour 365 Grand Large has a comfort ratio of 17.2 and a capsize screening value of 0.77. The ballast ratios are 42.4% for the 1997 Nautor Swan 40 and 30.3% for the Dufour 365 Grand Large, 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 Dufour 365 Grand Large offers 6 berths in 2 cabins with 210L water and 120L fuel capacity.

Verdict

For cruising: The 1997 Nautor Swan 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 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: 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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