Jeanneau Sun Odyssey 349 (2019) vs 1983 Pearson 31 — Comparison

Jeanneau Sun Odyssey 349 (2019)
VS
1983 Pearson 311983 Pearson 31

Specifications Side by Side

SpecificationJeanneau Sun Odyssey 349 (2019)1983 Pearson 31
General
ManufacturerJeanneauPearson
Year20191983–1990
TypeSloopSloop
CountryFranceUSA
DesignerMarc LombardWilliam Shaw
Dimensions
LOA10.34 m (33.9 ft)9.45 m (31.0 ft)
LWL9.44 m (31.0 ft)7.77 m (25.5 ft)
Beam3.44 m (11.3 ft)3.10 m (10.2 ft)
Draft1.98 m (6.5 ft)1.52 m (5.0 ft)
Weight
Displacement5,700 kg (12,566 lbs)4,309 kg (9,500 lbs)
Ballast1,700 kg (3,748 lbs)1,814 kg (3,999 lbs)
Sailing
Sail Area55.0 m² (592 ft²)40.0 m² (431 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine21 HP18 HP
Fuel Capacity140 L (37.0 gal)68 L (18.0 gal)
Water Capacity200 L (52.8 gal)114 L (30.1 gal)
Accommodation
Berths66
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Jeanneau Sun Odyssey 349 (2019)
17.51
1983 Pearson 31
15.35
Ballast Ratio (Higher = more stability)
Jeanneau Sun Odyssey 349 (2019)
29.82
1983 Pearson 31
42.10
Capsize Ratio (Lower = safer offshore)
Jeanneau Sun Odyssey 349 (2019)
0.77
1983 Pearson 31
0.76
Comfort Ratio (Higher = gentler motion)
Jeanneau Sun Odyssey 349 (2019)
17.92
1983 Pearson 31
21.43

Detailed Comparison

The Jeanneau Sun Odyssey 349 (2019) and 1983 Pearson 31 represent two takes on sloop-rigged sailing. The Jeanneau Sun Odyssey 349 (2019) is a modern design by Jeanneau from France, while the 1983 Pearson 31 is a 1980s offering from Pearson from USA. The Jeanneau Sun Odyssey 349 (2019) was penned by Marc Lombard. The 1983 Pearson 31 was designed by William Shaw.

In terms of size, the Jeanneau Sun Odyssey 349 (2019) measures 10.34m (33.9ft) overall with a beam of 3.44m, compared to the 1983 Pearson 31 at 9.45m (31.0ft) with a 3.10m beam. The Jeanneau Sun Odyssey 349 (2019) is 0.89m longer than the 1983 Pearson 31. The Jeanneau Sun Odyssey 349 (2019) displaces approximately 32% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Jeanneau Sun Odyssey 349 (2019) has good sail power for versatile performance with an SA/D ratio of 17.51 and 55.0 m² of sail area. The 1983 Pearson 31, with an SA/D of 15.35 and 40.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Jeanneau Sun Odyssey 349 (2019) has the edge in terms of raw sailing performance.

For comfort and safety, the Jeanneau Sun Odyssey 349 (2019) offers a firm, racing-oriented motion (comfort ratio: 17.9) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1983 Pearson 31 has a comfort ratio of 21.4 and a capsize screening value of 0.76. The ballast ratios are 29.8% for the Jeanneau Sun Odyssey 349 (2019) and 42.1% for the 1983 Pearson 31, reflecting their respective approaches to stability.

Below deck, the Jeanneau Sun Odyssey 349 (2019) provides 6 berths in 2 cabins with 200L of water capacity and 140L of fuel. The 1983 Pearson 31 offers 6 berths in 2 cabins with 114L water and 68L fuel capacity.

Verdict

For cruising: The 1983 Pearson 31 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 Jeanneau Sun Odyssey 349 (2019) 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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