2010 Beneteau Oceanis 31 vs 1986 Westerly Oceanlord — Comparison

2010 Beneteau Oceanis 312010 Beneteau Oceanis 31
VS
1986 Westerly Oceanlord

Specifications Side by Side

Specification2010 Beneteau Oceanis 311986 Westerly Oceanlord
General
ManufacturerBeneteauWesterly
Year2010–20161986–1992
TypeSloopSloop
CountryFranceUK
DesignerGroupe FinotEd Dubois
Dimensions
LOA9.68 m (31.8 ft)12.04 m (39.5 ft)
LWL8.60 m (28.2 ft)9.75 m (32.0 ft)
Beam3.28 m (10.8 ft)3.81 m (12.5 ft)
Draft1.60 m (5.2 ft)1.83 m (6.0 ft)
Weight
Displacement4,300 kg (9,480 lbs)9,980 kg (22,002 lbs)
Ballast1,400 kg (3,086 lbs)3,629 kg (8,001 lbs)
Sailing
Sail Area45.5 m² (490 ft²)68.0 m² (732 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine18 HP50 HP
Fuel Capacity60 L (15.9 gal)182 L (48.1 gal)
Water Capacity120 L (31.7 gal)340 L (89.8 gal)
Accommodation
Berths67
Cabins23

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2010 Beneteau Oceanis 31
17.48
1986 Westerly Oceanlord
14.90
Ballast Ratio (Higher = more stability)
2010 Beneteau Oceanis 31
32.56
1986 Westerly Oceanlord
36.36
Capsize Ratio (Lower = safer offshore)
2010 Beneteau Oceanis 31
0.81
1986 Westerly Oceanlord
0.71
Comfort Ratio (Higher = gentler motion)
2010 Beneteau Oceanis 31
17.05
1986 Westerly Oceanlord
23.70

Detailed Comparison

The 2010 Beneteau Oceanis 31 and 1986 Westerly Oceanlord represent two takes on sloop-rigged sailing. The 2010 Beneteau Oceanis 31 is a modern design by Beneteau from France, while the 1986 Westerly Oceanlord is a 1980s offering from Westerly from UK. The 2010 Beneteau Oceanis 31 was penned by Groupe Finot. The 1986 Westerly Oceanlord was designed by Ed Dubois.

In terms of size, the 2010 Beneteau Oceanis 31 measures 9.68m (31.8ft) overall with a beam of 3.28m, compared to the 1986 Westerly Oceanlord at 12.04m (39.5ft) with a 3.81m beam. The 1986 Westerly Oceanlord is 2.36m longer than the 2010 Beneteau Oceanis 31. The 1986 Westerly Oceanlord displaces approximately 132% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2010 Beneteau Oceanis 31 has good sail power for versatile performance with an SA/D ratio of 17.48 and 45.5 m² of sail area. The 1986 Westerly Oceanlord, with an SA/D of 14.90 and 68.0 m² of canvas, offers modest sail power for its displacement. The 2010 Beneteau Oceanis 31 has the edge in terms of raw sailing performance.

For comfort and safety, the 2010 Beneteau Oceanis 31 offers a firm, racing-oriented motion (comfort ratio: 17.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.81). The 1986 Westerly Oceanlord has a comfort ratio of 23.7 and a capsize screening value of 0.71. The ballast ratios are 32.6% for the 2010 Beneteau Oceanis 31 and 36.4% for the 1986 Westerly Oceanlord, reflecting their respective approaches to stability.

Below deck, the 2010 Beneteau Oceanis 31 provides 6 berths in 2 cabins with 120L of water capacity and 60L of fuel. The 1986 Westerly Oceanlord offers 7 berths in 3 cabins with 340L water and 182L fuel capacity.

Verdict

For cruising: The 1986 Westerly Oceanlord 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 2010 Beneteau Oceanis 31 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1986 Westerly Oceanlord 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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