1977 Nautor Swan 47 vs Dufour 385 Grand Large — Comparison

1977 Nautor Swan 471977 Nautor Swan 47
VS
Dufour 385 Grand Large

Specifications Side by Side

Specification1977 Nautor Swan 47Dufour 385 Grand Large
General
ManufacturerNautor SwanDufour
Year1977–19852006–2010
TypeSloopSloop
CountryFinlandFrance
DesignerSparkman & StephensUmberto Felci
Dimensions
LOA14.33 m (47.0 ft)11.53 m (37.8 ft)
LWL10.67 m (35.0 ft)10.10 m (33.1 ft)
Beam4.09 m (13.4 ft)3.68 m (12.1 ft)
Draft2.29 m (7.5 ft)1.90 m (6.2 ft)
Weight
Displacement14,969 kg (33,001 lbs)7,100 kg (15,653 lbs)
Ballast6,350 kg (13,999 lbs)2,150 kg (4,740 lbs)
Sailing
Sail Area89.2 m² (960 ft²)62.0 m² (667 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine55 HP29 HP
Fuel Capacity227 L (60.0 gal)130 L (34.3 gal)
Water Capacity454 L (119.9 gal)250 L (66.0 gal)
Accommodation
Berths76
Cabins32

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1977 Nautor Swan 47
14.92
Dufour 385 Grand Large
17.05
Ballast Ratio (Higher = more stability)
1977 Nautor Swan 47
42.42
Dufour 385 Grand Large
30.28
Capsize Ratio (Lower = safer offshore)
1977 Nautor Swan 47
0.67
Dufour 385 Grand Large
0.77
Comfort Ratio (Higher = gentler motion)
1977 Nautor Swan 47
25.44
Dufour 385 Grand Large
17.35

Detailed Comparison

The 1977 Nautor Swan 47 and Dufour 385 Grand Large represent two takes on sloop-rigged sailing. The 1977 Nautor Swan 47 is a 1970s design by Nautor Swan from Finland, while the Dufour 385 Grand Large is a 2000s offering from Dufour from France. The 1977 Nautor Swan 47 was penned by Sparkman & Stephens. The Dufour 385 Grand Large was designed by Umberto Felci.

In terms of size, the 1977 Nautor Swan 47 measures 14.33m (47.0ft) overall with a beam of 4.09m, compared to the Dufour 385 Grand Large at 11.53m (37.8ft) with a 3.68m beam. The 1977 Nautor Swan 47 is 2.80m longer than the Dufour 385 Grand Large. The 1977 Nautor Swan 47 displaces approximately 111% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1977 Nautor Swan 47 has modest sail power for its displacement with an SA/D ratio of 14.92 and 89.2 m² of sail area. The Dufour 385 Grand Large, with an SA/D of 17.05 and 62.0 m² of canvas, offers good sail power for versatile performance. The Dufour 385 Grand Large has the edge in terms of raw sailing performance.

For comfort and safety, the 1977 Nautor Swan 47 offers a moderate motion comfort level (comfort ratio: 25.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.67). The Dufour 385 Grand Large has a comfort ratio of 17.4 and a capsize screening value of 0.77. The ballast ratios are 42.4% for the 1977 Nautor Swan 47 and 30.3% for the Dufour 385 Grand Large, reflecting their respective approaches to stability.

Below deck, the 1977 Nautor Swan 47 provides 7 berths in 3 cabins with 454L of water capacity and 227L of fuel. The Dufour 385 Grand Large offers 6 berths in 2 cabins with 250L water and 130L fuel capacity.

Verdict

For cruising: The 1977 Nautor Swan 47 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 Dufour 385 Grand Large has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1977 Nautor Swan 47 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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