1979 Islander 36 vs 2007 Jeanneau Sun Odyssey 39 DS — Comparison

1979 Islander 361979 Islander 36
VS
2007 Jeanneau Sun Odyssey 39 DS

Specifications Side by Side

Specification1979 Islander 362007 Jeanneau Sun Odyssey 39 DS
General
ManufacturerIslanderJeanneau
Year1979–19852007–2012
TypeSloopSloop
CountryUSAFrance
DesignerAlan GurneyPhilippe Briand
Dimensions
LOA10.97 m (36.0 ft)11.86 m (38.9 ft)
LWL8.84 m (29.0 ft)10.30 m (33.8 ft)
Beam3.28 m (10.8 ft)3.76 m (12.3 ft)
Draft1.68 m (5.5 ft)1.85 m (6.1 ft)
Weight
Displacement6,350 kg (13,999 lbs)7,600 kg (16,755 lbs)
Ballast2,722 kg (6,001 lbs)2,400 kg (5,291 lbs)
Sailing
Sail Area54.2 m² (583 ft²)62.0 m² (667 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine22 HP29 HP
Fuel Capacity76 L (20.1 gal)120 L (31.7 gal)
Water Capacity151 L (39.9 gal)250 L (66.0 gal)
Accommodation
Berths77
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1979 Islander 36
16.06
2007 Jeanneau Sun Odyssey 39 DS
16.30
Ballast Ratio (Higher = more stability)
1979 Islander 36
42.87
2007 Jeanneau Sun Odyssey 39 DS
31.58
Capsize Ratio (Lower = safer offshore)
1979 Islander 36
0.71
2007 Jeanneau Sun Odyssey 39 DS
0.77
Comfort Ratio (Higher = gentler motion)
1979 Islander 36
22.32
2007 Jeanneau Sun Odyssey 39 DS
17.25

Detailed Comparison

The 1979 Islander 36 and 2007 Jeanneau Sun Odyssey 39 DS represent two takes on sloop-rigged sailing. The 1979 Islander 36 is a 1970s design by Islander from USA, while the 2007 Jeanneau Sun Odyssey 39 DS is a 2000s offering from Jeanneau from France. The 1979 Islander 36 was penned by Alan Gurney. The 2007 Jeanneau Sun Odyssey 39 DS was designed by Philippe Briand.

In terms of size, the 1979 Islander 36 measures 10.97m (36.0ft) overall with a beam of 3.28m, compared to the 2007 Jeanneau Sun Odyssey 39 DS at 11.86m (38.9ft) with a 3.76m beam. The 2007 Jeanneau Sun Odyssey 39 DS is 0.89m longer than the 1979 Islander 36. The 2007 Jeanneau Sun Odyssey 39 DS displaces approximately 20% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1979 Islander 36 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.06 and 54.2 m² of sail area. The 2007 Jeanneau Sun Odyssey 39 DS, with an SA/D of 16.30 and 62.0 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 1979 Islander 36 offers a moderate motion comfort level (comfort ratio: 22.3) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.71). The 2007 Jeanneau Sun Odyssey 39 DS has a comfort ratio of 17.3 and a capsize screening value of 0.77. The ballast ratios are 42.9% for the 1979 Islander 36 and 31.6% for the 2007 Jeanneau Sun Odyssey 39 DS, reflecting their respective approaches to stability.

Below deck, the 1979 Islander 36 provides 7 berths in 2 cabins with 151L of water capacity and 76L of fuel. The 2007 Jeanneau Sun Odyssey 39 DS offers 7 berths in 2 cabins with 250L water and 120L fuel capacity.

Verdict

For cruising: The 1979 Islander 36 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: 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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