Catalina 425 vs 1981 Nautor Swan 36 — Comparison

Catalina 425 Catalina 425
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1981 Nautor Swan 36 1981 Nautor Swan 36

Specifications Side by Side

Specification Catalina 425 1981 Nautor Swan 36
General
Manufacturer Catalina Nautor Swan
Year 2013 1981–1989
Type Sloop Sloop
Country USA Finland
Designer Gerry Douglas Sparkman & Stephens
Dimensions
LOA 12.95 m (42.5 ft) 10.97 m (36.0 ft)
LWL 11.28 m (37.0 ft) 8.53 m (28.0 ft)
Beam 3.96 m (13.0 ft) 3.35 m (11.0 ft)
Draft 2.06 m (6.8 ft) 1.98 m (6.5 ft)
Weight
Displacement 9,616 kg (21,200 lbs) 6,350 kg (13,999 lbs)
Ballast 3,719 kg (8,199 lbs) 2,722 kg (6,001 lbs)
Sailing
Sail Area 78.0 m² (840 ft²) 54.5 m² (587 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Fin Fin
Engine & Tanks
Engine 55 HP 28 HP
Fuel Capacity 152 L (40.2 gal) 100 L (26.4 gal)
Water Capacity 322 L (85.1 gal) 180 L (47.6 gal)
Accommodation
Berths 7 6
Cabins 2 2

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Catalina 425
17.52
1981 Nautor Swan 36
16.15
Ballast Ratio (Higher = more stability)
Catalina 425
38.68
1981 Nautor Swan 36
42.87
Capsize Ratio (Lower = safer offshore)
Catalina 425
0.75
1981 Nautor Swan 36
0.72
Comfort Ratio (Higher = gentler motion)
Catalina 425
17.02
1981 Nautor Swan 36
22.73

Detailed Comparison

The Catalina 425 and 1981 Nautor Swan 36 represent two takes on sloop-rigged sailing. The Catalina 425 is a modern design by Catalina from USA, while the 1981 Nautor Swan 36 is a 1980s offering from Nautor Swan from Finland. The Catalina 425 was penned by Gerry Douglas. The 1981 Nautor Swan 36 was designed by Sparkman & Stephens.

In terms of size, the Catalina 425 measures 12.95m (42.5ft) overall with a beam of 3.96m, compared to the 1981 Nautor Swan 36 at 10.97m (36.0ft) with a 3.35m beam. The Catalina 425 is 1.98m longer than the 1981 Nautor Swan 36. The Catalina 425 displaces approximately 51% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Catalina 425 has good sail power for versatile performance with an SA/D ratio of 17.52 and 78.0 m² of sail area. The 1981 Nautor Swan 36, with an SA/D of 16.15 and 54.5 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Catalina 425 has the edge in terms of raw sailing performance.

For comfort and safety, the Catalina 425 offers a firm, racing-oriented motion (comfort ratio: 17.0) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.75). The 1981 Nautor Swan 36 has a comfort ratio of 22.7 and a capsize screening value of 0.72. The ballast ratios are 38.7% for the Catalina 425 and 42.9% for the 1981 Nautor Swan 36, reflecting their respective approaches to stability.

Below deck, the Catalina 425 provides 7 berths in 2 cabins with 322L of water capacity and 152L of fuel. The 1981 Nautor Swan 36 offers 6 berths in 2 cabins with 180L water and 100L fuel capacity.

Verdict

For cruising: The 1981 Nautor Swan 36 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 425 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The Catalina 425 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.

Compare Different Boats

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