1999 Jeanneau Sun Odyssey 37 vs 1984 O'Day 30 — Comparison

1999 Jeanneau Sun Odyssey 37
VS
1984 O'Day 30

Specifications Side by Side

Specification1999 Jeanneau Sun Odyssey 371984 O'Day 30
General
ManufacturerJeanneauO'Day
Year1999–20031984–1989
TypeSloopSloop
CountryFranceUSA
DesignerDaniel AndrieuC. Raymond Hunt
Dimensions
LOA11.17 m (36.6 ft)9.14 m (30.0 ft)
LWL9.70 m (31.8 ft)7.62 m (25.0 ft)
Beam3.66 m (12.0 ft)3.05 m (10.0 ft)
Draft1.75 m (5.7 ft)1.52 m (5.0 ft)
Weight
Displacement6,500 kg (14,330 lbs)3,629 kg (8,001 lbs)
Ballast2,200 kg (4,850 lbs)1,452 kg (3,201 lbs)
Sailing
Sail Area57.0 m² (614 ft²)36.0 m² (388 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine29 HP13 HP
Fuel Capacity100 L (26.4 gal)57 L (15.1 gal)
Water Capacity200 L (52.8 gal)76 L (20.1 gal)
Accommodation
Berths76
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1999 Jeanneau Sun Odyssey 37
16.63
1984 O'Day 30
15.49
Ballast Ratio (Higher = more stability)
1999 Jeanneau Sun Odyssey 37
33.85
1984 O'Day 30
40.01
Capsize Ratio (Lower = safer offshore)
1999 Jeanneau Sun Odyssey 37
0.79
1984 O'Day 30
0.79
Comfort Ratio (Higher = gentler motion)
1999 Jeanneau Sun Odyssey 37
17.25
1984 O'Day 30
19.36

Detailed Comparison

The 1999 Jeanneau Sun Odyssey 37 and 1984 O'Day 30 represent two takes on sloop-rigged sailing. The 1999 Jeanneau Sun Odyssey 37 is a 1990s design by Jeanneau from France, while the 1984 O'Day 30 is a 1980s offering from O'Day from USA. The 1999 Jeanneau Sun Odyssey 37 was penned by Daniel Andrieu. The 1984 O'Day 30 was designed by C. Raymond Hunt.

In terms of size, the 1999 Jeanneau Sun Odyssey 37 measures 11.17m (36.6ft) overall with a beam of 3.66m, compared to the 1984 O'Day 30 at 9.14m (30.0ft) with a 3.05m beam. The 1999 Jeanneau Sun Odyssey 37 is 2.03m longer than the 1984 O'Day 30. The 1999 Jeanneau Sun Odyssey 37 displaces approximately 79% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1999 Jeanneau Sun Odyssey 37 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.63 and 57.0 m² of sail area. The 1984 O'Day 30, with an SA/D of 15.49 and 36.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1999 Jeanneau Sun Odyssey 37 has the edge in terms of raw sailing performance.

For comfort and safety, the 1999 Jeanneau Sun Odyssey 37 offers a firm, racing-oriented motion (comfort ratio: 17.3) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.79). The 1984 O'Day 30 has a comfort ratio of 19.4 and a capsize screening value of 0.79. The ballast ratios are 33.9% for the 1999 Jeanneau Sun Odyssey 37 and 40.0% for the 1984 O'Day 30, reflecting their respective approaches to stability.

Below deck, the 1999 Jeanneau Sun Odyssey 37 provides 7 berths in 2 cabins with 200L of water capacity and 100L of fuel. The 1984 O'Day 30 offers 6 berths in 2 cabins with 76L water and 57L fuel capacity.

Verdict

For cruising: The 1984 O'Day 30 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 1999 Jeanneau Sun Odyssey 37 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1999 Jeanneau Sun Odyssey 37 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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