1977 Nautor Swan 47 vs Bavaria 37 — Comparison

1977 Nautor Swan 471977 Nautor Swan 47
VS
Bavaria 37Bavaria 37

Specifications Side by Side

Specification1977 Nautor Swan 47Bavaria 37
General
ManufacturerNautor SwanBavaria
Year1977–19852000–2006
TypeSloopSloop
CountryFinlandGermany
DesignerSparkman & StephensJ&J Design
Dimensions
LOA14.33 m (47.0 ft)11.38 m (37.3 ft)
LWL10.67 m (35.0 ft)9.86 m (32.3 ft)
Beam4.09 m (13.4 ft)3.61 m (11.8 ft)
Draft2.29 m (7.5 ft)1.85 m (6.1 ft)
Weight
Displacement14,969 kg (33,001 lbs)6,900 kg (15,212 lbs)
Ballast6,350 kg (13,999 lbs)2,200 kg (4,850 lbs)
Sailing
Sail Area89.2 m² (960 ft²)61.0 m² (657 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine55 HP27 HP
Fuel Capacity227 L (60.0 gal)130 L (34.3 gal)
Water Capacity454 L (119.9 gal)230 L (60.8 gal)
Accommodation
Berths76
Cabins32

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1977 Nautor Swan 47
14.92
Bavaria 37
17.10
Ballast Ratio (Higher = more stability)
1977 Nautor Swan 47
42.42
Bavaria 37
31.88
Capsize Ratio (Lower = safer offshore)
1977 Nautor Swan 47
0.67
Bavaria 37
0.76
Comfort Ratio (Higher = gentler motion)
1977 Nautor Swan 47
25.44
Bavaria 37
18.02

Detailed Comparison

The 1977 Nautor Swan 47 and Bavaria 37 represent two takes on sloop-rigged sailing. The 1977 Nautor Swan 47 is a 1970s design by Nautor Swan from Finland, while the Bavaria 37 is a 2000s offering from Bavaria from Germany. The 1977 Nautor Swan 47 was penned by Sparkman & Stephens. The Bavaria 37 was designed by J&J 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 Bavaria 37 at 11.38m (37.3ft) with a 3.61m beam. The 1977 Nautor Swan 47 is 2.95m longer than the Bavaria 37. The 1977 Nautor Swan 47 displaces approximately 117% 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 Bavaria 37, with an SA/D of 17.10 and 61.0 m² of canvas, offers good sail power for versatile performance. The Bavaria 37 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 Bavaria 37 has a comfort ratio of 18.0 and a capsize screening value of 0.76. The ballast ratios are 42.4% for the 1977 Nautor Swan 47 and 31.9% for the Bavaria 37, 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 Bavaria 37 offers 6 berths in 2 cabins with 230L 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 Bavaria 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 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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