1998 Beneteau Oceanis 331 vs 1981 Nautor Swan 36 — Comparison

1998 Beneteau Oceanis 3311998 Beneteau Oceanis 331
VS
1981 Nautor Swan 36

Specifications Side by Side

Specification1998 Beneteau Oceanis 3311981 Nautor Swan 36
General
ManufacturerBeneteauNautor Swan
Year1998–20041981–1989
TypeSloopSloop
CountryFranceFinland
DesignerGroupe FinotSparkman & Stephens
Dimensions
LOA10.14 m (33.3 ft)10.97 m (36.0 ft)
LWL8.84 m (29.0 ft)8.53 m (28.0 ft)
Beam3.40 m (11.2 ft)3.35 m (11.0 ft)
Draft1.65 m (5.4 ft)1.98 m (6.5 ft)
Weight
Displacement4,990 kg (11,001 lbs)6,350 kg (13,999 lbs)
Ballast1,700 kg (3,748 lbs)2,722 kg (6,001 lbs)
Sailing
Sail Area50.0 m² (538 ft²)54.5 m² (587 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine18 HP28 HP
Fuel Capacity68 L (18.0 gal)100 L (26.4 gal)
Water Capacity120 L (31.7 gal)180 L (47.6 gal)
Accommodation
Berths66
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1998 Beneteau Oceanis 331
17.40
1981 Nautor Swan 36
16.15
Ballast Ratio (Higher = more stability)
1998 Beneteau Oceanis 331
34.07
1981 Nautor Swan 36
42.87
Capsize Ratio (Lower = safer offshore)
1998 Beneteau Oceanis 331
0.80
1981 Nautor Swan 36
0.72
Comfort Ratio (Higher = gentler motion)
1998 Beneteau Oceanis 331
17.63
1981 Nautor Swan 36
22.73

Detailed Comparison

The 1998 Beneteau Oceanis 331 and 1981 Nautor Swan 36 represent two takes on sloop-rigged sailing. The 1998 Beneteau Oceanis 331 is a 1990s design by Beneteau from France, while the 1981 Nautor Swan 36 is a 1980s offering from Nautor Swan from Finland. The 1998 Beneteau Oceanis 331 was penned by Groupe Finot. The 1981 Nautor Swan 36 was designed by Sparkman & Stephens.

In terms of size, the 1998 Beneteau Oceanis 331 measures 10.14m (33.3ft) overall with a beam of 3.40m, compared to the 1981 Nautor Swan 36 at 10.97m (36.0ft) with a 3.35m beam. The 1981 Nautor Swan 36 is 0.83m longer than the 1998 Beneteau Oceanis 331. The 1981 Nautor Swan 36 displaces approximately 27% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1998 Beneteau Oceanis 331 has good sail power for versatile performance with an SA/D ratio of 17.40 and 50.0 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 1998 Beneteau Oceanis 331 has the edge in terms of raw sailing performance.

For comfort and safety, the 1998 Beneteau Oceanis 331 offers a firm, racing-oriented motion (comfort ratio: 17.6) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.80). The 1981 Nautor Swan 36 has a comfort ratio of 22.7 and a capsize screening value of 0.72. The ballast ratios are 34.1% for the 1998 Beneteau Oceanis 331 and 42.9% for the 1981 Nautor Swan 36, reflecting their respective approaches to stability.

Below deck, the 1998 Beneteau Oceanis 331 provides 6 berths in 2 cabins with 120L of water capacity and 68L 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 1998 Beneteau Oceanis 331 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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