2007 Jeanneau Sun Odyssey 39 DS vs 1983 Pearson 31 — Comparison

2007 Jeanneau Sun Odyssey 39 DS
VS
1983 Pearson 311983 Pearson 31

Specifications Side by Side

Specification2007 Jeanneau Sun Odyssey 39 DS1983 Pearson 31
General
ManufacturerJeanneauPearson
Year2007–20121983–1990
TypeSloopSloop
CountryFranceUSA
DesignerPhilippe BriandWilliam Shaw
Dimensions
LOA11.86 m (38.9 ft)9.45 m (31.0 ft)
LWL10.30 m (33.8 ft)7.77 m (25.5 ft)
Beam3.76 m (12.3 ft)3.10 m (10.2 ft)
Draft1.85 m (6.1 ft)1.52 m (5.0 ft)
Weight
Displacement7,600 kg (16,755 lbs)4,309 kg (9,500 lbs)
Ballast2,400 kg (5,291 lbs)1,814 kg (3,999 lbs)
Sailing
Sail Area62.0 m² (667 ft²)40.0 m² (431 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine29 HP18 HP
Fuel Capacity120 L (31.7 gal)68 L (18.0 gal)
Water Capacity250 L (66.0 gal)114 L (30.1 gal)
Accommodation
Berths76
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2007 Jeanneau Sun Odyssey 39 DS
16.30
1983 Pearson 31
15.35
Ballast Ratio (Higher = more stability)
2007 Jeanneau Sun Odyssey 39 DS
31.58
1983 Pearson 31
42.10
Capsize Ratio (Lower = safer offshore)
2007 Jeanneau Sun Odyssey 39 DS
0.77
1983 Pearson 31
0.76
Comfort Ratio (Higher = gentler motion)
2007 Jeanneau Sun Odyssey 39 DS
17.25
1983 Pearson 31
21.43

Detailed Comparison

The 2007 Jeanneau Sun Odyssey 39 DS and 1983 Pearson 31 represent two takes on sloop-rigged sailing. The 2007 Jeanneau Sun Odyssey 39 DS is a 2000s design by Jeanneau from France, while the 1983 Pearson 31 is a 1980s offering from Pearson from USA. The 2007 Jeanneau Sun Odyssey 39 DS was penned by Philippe Briand. The 1983 Pearson 31 was designed by William Shaw.

In terms of size, the 2007 Jeanneau Sun Odyssey 39 DS measures 11.86m (38.9ft) overall with a beam of 3.76m, compared to the 1983 Pearson 31 at 9.45m (31.0ft) with a 3.10m beam. The 2007 Jeanneau Sun Odyssey 39 DS is 2.41m longer than the 1983 Pearson 31. The 2007 Jeanneau Sun Odyssey 39 DS displaces approximately 76% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2007 Jeanneau Sun Odyssey 39 DS has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.30 and 62.0 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 2007 Jeanneau Sun Odyssey 39 DS has the edge in terms of raw sailing performance.

For comfort and safety, the 2007 Jeanneau Sun Odyssey 39 DS offers a firm, racing-oriented motion (comfort ratio: 17.3) 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 31.6% for the 2007 Jeanneau Sun Odyssey 39 DS and 42.1% for the 1983 Pearson 31, reflecting their respective approaches to stability.

Below deck, the 2007 Jeanneau Sun Odyssey 39 DS provides 7 berths in 2 cabins with 250L of water capacity and 120L 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 2007 Jeanneau Sun Odyssey 39 DS has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 2007 Jeanneau Sun Odyssey 39 DS 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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Or view individual specs: 2007 Jeanneau Sun Odyssey 39 DS · 1983 Pearson 31