1977 Nautor Swan 47 vs Catalina 445 — Comparison

1977 Nautor Swan 471977 Nautor Swan 47
VS
Catalina 445

Specifications Side by Side

Specification1977 Nautor Swan 47Catalina 445
General
ManufacturerNautor SwanCatalina
Year1977–19852016
TypeSloopSloop
CountryFinlandUSA
DesignerSparkman & StephensGerry Douglas
Dimensions
LOA14.33 m (47.0 ft)13.56 m (44.5 ft)
LWL10.67 m (35.0 ft)11.89 m (39.0 ft)
Beam4.09 m (13.4 ft)4.17 m (13.7 ft)
Draft2.29 m (7.5 ft)2.06 m (6.8 ft)
Weight
Displacement14,969 kg (33,001 lbs)11,340 kg (25,000 lbs)
Ballast6,350 kg (13,999 lbs)4,309 kg (9,500 lbs)
Sailing
Sail Area89.2 m² (960 ft²)84.0 m² (904 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine55 HP55 HP
Fuel Capacity227 L (60.0 gal)189 L (49.9 gal)
Water Capacity454 L (119.9 gal)379 L (100.1 gal)
Accommodation
Berths77
Cabins32

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1977 Nautor Swan 47
14.92
Catalina 445
16.91
Ballast Ratio (Higher = more stability)
1977 Nautor Swan 47
42.42
Catalina 445
38.00
Capsize Ratio (Lower = safer offshore)
1977 Nautor Swan 47
0.67
Catalina 445
0.74
Comfort Ratio (Higher = gentler motion)
1977 Nautor Swan 47
25.44
Catalina 445
16.94

Detailed Comparison

The 1977 Nautor Swan 47 and Catalina 445 represent two takes on sloop-rigged sailing. The 1977 Nautor Swan 47 is a 1970s design by Nautor Swan from Finland, while the Catalina 445 is a modern offering from Catalina from USA. The 1977 Nautor Swan 47 was penned by Sparkman & Stephens. The Catalina 445 was designed by Gerry Douglas.

In terms of size, the 1977 Nautor Swan 47 measures 14.33m (47.0ft) overall with a beam of 4.09m, compared to the Catalina 445 at 13.56m (44.5ft) with a 4.17m beam. The 1977 Nautor Swan 47 is 0.77m longer than the Catalina 445. The 1977 Nautor Swan 47 displaces approximately 32% 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 Catalina 445, with an SA/D of 16.91 and 84.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Catalina 445 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 Catalina 445 has a comfort ratio of 16.9 and a capsize screening value of 0.74. The ballast ratios are 42.4% for the 1977 Nautor Swan 47 and 38.0% for the Catalina 445, 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 Catalina 445 offers 7 berths in 2 cabins with 379L water and 189L 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 Catalina 445 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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