1977 Nautor Swan 47 vs Beneteau First 47.7 — Comparison

1977 Nautor Swan 471977 Nautor Swan 47
VS
Beneteau First 47.7

Specifications Side by Side

Specification1977 Nautor Swan 47Beneteau First 47.7
General
ManufacturerNautor SwanBeneteau
Year1977–19852003–2008
TypeSloopSloop
CountryFinlandFrance
DesignerSparkman & StephensFarr Yacht Design
Dimensions
LOA14.33 m (47.0 ft)14.69 m (48.2 ft)
LWL10.67 m (35.0 ft)12.90 m (42.3 ft)
Beam4.09 m (13.4 ft)4.30 m (14.1 ft)
Draft2.29 m (7.5 ft)2.50 m (8.2 ft)
Weight
Displacement14,969 kg (33,001 lbs)11,500 kg (25,353 lbs)
Ballast6,350 kg (13,999 lbs)4,200 kg (9,259 lbs)
Sailing
Sail Area89.2 m² (960 ft²)105.0 m² (1,130 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine55 HP75 HP
Fuel Capacity227 L (60.0 gal)250 L (66.0 gal)
Water Capacity454 L (119.9 gal)450 L (118.9 gal)
Accommodation
Berths710
Cabins33

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1977 Nautor Swan 47
14.92
Beneteau First 47.7
20.93
Ballast Ratio (Higher = more stability)
1977 Nautor Swan 47
42.42
Beneteau First 47.7
36.52
Capsize Ratio (Lower = safer offshore)
1977 Nautor Swan 47
0.67
Beneteau First 47.7
0.76
Comfort Ratio (Higher = gentler motion)
1977 Nautor Swan 47
25.44
Beneteau First 47.7
14.02

Detailed Comparison

The 1977 Nautor Swan 47 and Beneteau First 47.7 represent two takes on sloop-rigged sailing. The 1977 Nautor Swan 47 is a 1970s design by Nautor Swan from Finland, while the Beneteau First 47.7 is a 2000s offering from Beneteau from France. The 1977 Nautor Swan 47 was penned by Sparkman & Stephens. The Beneteau First 47.7 was designed by Farr Yacht Design.

In terms of size, the 1977 Nautor Swan 47 measures 14.33m (47.0ft) overall with a beam of 4.09m, compared to the Beneteau First 47.7 at 14.69m (48.2ft) with a 4.30m beam. The Beneteau First 47.7 is 0.36m longer than the 1977 Nautor Swan 47. The 1977 Nautor Swan 47 displaces approximately 30% 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 Beneteau First 47.7, with an SA/D of 20.93 and 105.0 m² of canvas, offers generous sail power for spirited sailing. The Beneteau First 47.7 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 Beneteau First 47.7 has a comfort ratio of 14.0 and a capsize screening value of 0.76. The ballast ratios are 42.4% for the 1977 Nautor Swan 47 and 36.5% for the Beneteau First 47.7, 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 Beneteau First 47.7 offers 10 berths in 3 cabins with 450L water and 250L 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 Beneteau First 47.7 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The Beneteau First 47.7 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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