1998 Beneteau Oceanis 331 vs 1978 Cape Dory 270 — Comparison

1998 Beneteau Oceanis 3311998 Beneteau Oceanis 331
VS
1978 Cape Dory 270

Specifications Side by Side

Specification1998 Beneteau Oceanis 3311978 Cape Dory 270
General
ManufacturerBeneteauCape Dory
Year1998–20041978–1985
TypeSloopSloop
CountryFranceUSA
DesignerGroupe FinotCarl Alberg
Dimensions
LOA10.14 m (33.3 ft)8.23 m (27.0 ft)
LWL8.84 m (29.0 ft)6.40 m (21.0 ft)
Beam3.40 m (11.2 ft)2.59 m (8.5 ft)
Draft1.65 m (5.4 ft)1.14 m (3.7 ft)
Weight
Displacement4,990 kg (11,001 lbs)2,722 kg (6,001 lbs)
Ballast1,700 kg (3,748 lbs)1,134 kg (2,500 lbs)
Sailing
Sail Area50.0 m² (538 ft²)28.0 m² (301 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFull
Engine & Tanks
Engine18 HP12 HP
Fuel Capacity68 L (18.0 gal)38 L (10.0 gal)
Water Capacity120 L (31.7 gal)68 L (18.0 gal)
Accommodation
Berths64
Cabins21

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1998 Beneteau Oceanis 331
17.40
1978 Cape Dory 270
14.60
Ballast Ratio (Higher = more stability)
1998 Beneteau Oceanis 331
34.07
1978 Cape Dory 270
41.66
Capsize Ratio (Lower = safer offshore)
1998 Beneteau Oceanis 331
0.80
1978 Cape Dory 270
0.74
Comfort Ratio (Higher = gentler motion)
1998 Beneteau Oceanis 331
17.63
1978 Cape Dory 270
24.39

Detailed Comparison

The 1998 Beneteau Oceanis 331 and 1978 Cape Dory 270 represent two takes on sloop-rigged sailing. The 1998 Beneteau Oceanis 331 is a 1990s design by Beneteau from France, while the 1978 Cape Dory 270 is a 1970s offering from Cape Dory from USA. The 1998 Beneteau Oceanis 331 was penned by Groupe Finot. The 1978 Cape Dory 270 was designed by Carl Alberg.

In terms of size, the 1998 Beneteau Oceanis 331 measures 10.14m (33.3ft) overall with a beam of 3.40m, compared to the 1978 Cape Dory 270 at 8.23m (27.0ft) with a 2.59m beam. The 1998 Beneteau Oceanis 331 is 1.91m longer than the 1978 Cape Dory 270. The 1998 Beneteau Oceanis 331 displaces approximately 83% 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 1978 Cape Dory 270, with an SA/D of 14.60 and 28.0 m² of canvas, offers modest sail power for its displacement. 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 1978 Cape Dory 270 has a comfort ratio of 24.4 and a capsize screening value of 0.74. The ballast ratios are 34.1% for the 1998 Beneteau Oceanis 331 and 41.7% for the 1978 Cape Dory 270, 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 1978 Cape Dory 270 offers 4 berths in 1 cabin with 68L water and 38L fuel capacity.

Verdict

For cruising: The 1978 Cape Dory 270 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: The 1998 Beneteau Oceanis 331 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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