2010 Beneteau Oceanis 31 vs 1984 Moody 33 — Comparison

2010 Beneteau Oceanis 31 2010 Beneteau Oceanis 31
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1984 Moody 33 1984 Moody 33

Specifications Side by Side

Specification 2010 Beneteau Oceanis 31 1984 Moody 33
General
Manufacturer Beneteau Moody
Year 2010–2016 1984–1990
Type Sloop Sloop
Country France UK
Designer Groupe Finot Bill Dixon
Dimensions
LOA 9.68 m (31.8 ft) 10.06 m (33.0 ft)
LWL 8.60 m (28.2 ft) 8.23 m (27.0 ft)
Beam 3.28 m (10.8 ft) 3.25 m (10.7 ft)
Draft 1.60 m (5.2 ft) 1.40 m (4.6 ft)
Weight
Displacement 4,300 kg (9,480 lbs) 5,200 kg (11,464 lbs)
Ballast 1,400 kg (3,086 lbs) 2,100 kg (4,630 lbs)
Sailing
Sail Area 45.5 m² (490 ft²) 44.0 m² (474 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Fin Fin
Engine & Tanks
Engine 18 HP 20 HP
Fuel Capacity 60 L (15.9 gal) 80 L (21.1 gal)
Water Capacity 120 L (31.7 gal) 140 L (37.0 gal)
Accommodation
Berths 6 6
Cabins 2 2

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2010 Beneteau Oceanis 31
17.48
1984 Moody 33
14.90
Ballast Ratio (Higher = more stability)
2010 Beneteau Oceanis 31
32.56
1984 Moody 33
40.38
Capsize Ratio (Lower = safer offshore)
2010 Beneteau Oceanis 31
0.81
1984 Moody 33
0.75
Comfort Ratio (Higher = gentler motion)
2010 Beneteau Oceanis 31
17.05
1984 Moody 33
21.57

Detailed Comparison

The 2010 Beneteau Oceanis 31 and 1984 Moody 33 represent two takes on sloop-rigged sailing. The 2010 Beneteau Oceanis 31 is a modern design by Beneteau from France, while the 1984 Moody 33 is a 1980s offering from Moody from UK. The 2010 Beneteau Oceanis 31 was penned by Groupe Finot. The 1984 Moody 33 was designed by Bill Dixon.

In terms of size, the 2010 Beneteau Oceanis 31 measures 9.68m (31.8ft) overall with a beam of 3.28m, compared to the 1984 Moody 33 at 10.06m (33.0ft) with a 3.25m beam. The 1984 Moody 33 is 0.38m longer than the 2010 Beneteau Oceanis 31. The 1984 Moody 33 displaces approximately 21% 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 1984 Moody 33, with an SA/D of 14.90 and 44.0 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 1984 Moody 33 has a comfort ratio of 21.6 and a capsize screening value of 0.75. The ballast ratios are 32.6% for the 2010 Beneteau Oceanis 31 and 40.4% for the 1984 Moody 33, 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 1984 Moody 33 offers 6 berths in 2 cabins with 140L water and 80L fuel capacity.

Verdict

For cruising: The 1984 Moody 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 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: Both boats provide similar accommodation, making either a viable choice for living aboard. Consider water and fuel capacity for extended stays away from marinas.

Compare Different Boats

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