1966 Islander 33 vs 1981 Nautor Swan 36 — Comparison

1966 Islander 331966 Islander 33
VS
1981 Nautor Swan 36

Specifications Side by Side

Specification1966 Islander 331981 Nautor Swan 36
General
ManufacturerIslanderNautor Swan
Year1966–19741981–1989
TypeSloopSloop
CountryUSAFinland
DesignerJoseph McGlassonSparkman & Stephens
Dimensions
LOA10.06 m (33.0 ft)10.97 m (36.0 ft)
LWL7.62 m (25.0 ft)8.53 m (28.0 ft)
Beam2.97 m (9.7 ft)3.35 m (11.0 ft)
Draft1.52 m (5.0 ft)1.98 m (6.5 ft)
Weight
Displacement4,536 kg (10,000 lbs)6,350 kg (13,999 lbs)
Ballast1,814 kg (3,999 lbs)2,722 kg (6,001 lbs)
Sailing
Sail Area42.0 m² (452 ft²)54.5 m² (587 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine15 HP28 HP
Fuel Capacity57 L (15.1 gal)100 L (26.4 gal)
Water Capacity76 L (20.1 gal)180 L (47.6 gal)
Accommodation
Berths66
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1966 Islander 33
15.57
1981 Nautor Swan 36
16.15
Ballast Ratio (Higher = more stability)
1966 Islander 33
39.99
1981 Nautor Swan 36
42.87
Capsize Ratio (Lower = safer offshore)
1966 Islander 33
0.72
1981 Nautor Swan 36
0.72
Comfort Ratio (Higher = gentler motion)
1966 Islander 33
23.44
1981 Nautor Swan 36
22.73

Detailed Comparison

The 1966 Islander 33 and 1981 Nautor Swan 36 represent two takes on sloop-rigged sailing. The 1966 Islander 33 is a classic design by Islander from USA, while the 1981 Nautor Swan 36 is a 1980s offering from Nautor Swan from Finland. The 1966 Islander 33 was penned by Joseph McGlasson. The 1981 Nautor Swan 36 was designed by Sparkman & Stephens.

In terms of size, the 1966 Islander 33 measures 10.06m (33.0ft) overall with a beam of 2.97m, compared to the 1981 Nautor Swan 36 at 10.97m (36.0ft) with a 3.35m beam. The 1981 Nautor Swan 36 is 0.91m longer than the 1966 Islander 33. The 1981 Nautor Swan 36 displaces approximately 40% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1966 Islander 33 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.57 and 42.0 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 1981 Nautor Swan 36 has the edge in terms of raw sailing performance.

For comfort and safety, the 1966 Islander 33 offers a moderate motion comfort level (comfort ratio: 23.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.72). The 1981 Nautor Swan 36 has a comfort ratio of 22.7 and a capsize screening value of 0.72. The ballast ratios are 40.0% for the 1966 Islander 33 and 42.9% for the 1981 Nautor Swan 36, reflecting their respective approaches to stability.

Below deck, the 1966 Islander 33 provides 6 berths in 2 cabins with 76L of water capacity and 57L of fuel. The 1981 Nautor Swan 36 offers 6 berths in 2 cabins with 180L water and 100L fuel capacity.

Verdict

For cruising: The 1966 Islander 33 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 1981 Nautor Swan 36 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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