1978 Cape Dory 270 vs 2008 Jeanneau Sun Odyssey 30i — Comparison
Specifications Side by Side
| Specification | 1978 Cape Dory 270 | 2008 Jeanneau Sun Odyssey 30i |
|---|---|---|
| General | ||
| Manufacturer | Cape Dory | Jeanneau |
| Year | 1978–1985 | 2008–2012 |
| Type | Sloop | Sloop |
| Country | USA | France |
| Designer | Carl Alberg | Marc Lombard |
| Dimensions | ||
| LOA | 8.23 m (27.0 ft) | 9.30 m (30.5 ft) |
| LWL | 6.40 m (21.0 ft) | 8.20 m (26.9 ft) |
| Beam | 2.59 m (8.5 ft) | 2.98 m (9.8 ft) |
| Draft | 1.14 m (3.7 ft) | 1.70 m (5.6 ft) |
| Weight | ||
| Displacement | 2,722 kg (6,001 lbs) | 4,000 kg (8,818 lbs) |
| Ballast | 1,134 kg (2,500 lbs) | 1,100 kg (2,425 lbs) |
| Sailing | ||
| Sail Area | 28.0 m² (301 ft²) | 37.0 m² (398 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Full | Fin |
| Engine & Tanks | ||
| Engine | 12 HP | 14 HP |
| Fuel Capacity | 38 L (10.0 gal) | 50 L (13.2 gal) |
| Water Capacity | 68 L (18.0 gal) | 100 L (26.4 gal) |
| Accommodation | ||
| Berths | 4 | 5 |
| Cabins | 1 | 2 |
Performance Comparison
Detailed Comparison
The 1978 Cape Dory 270 and 2008 Jeanneau Sun Odyssey 30i represent two takes on sloop-rigged sailing. The 1978 Cape Dory 270 is a 1970s design by Cape Dory from USA, while the 2008 Jeanneau Sun Odyssey 30i is a 2000s offering from Jeanneau from France. The 1978 Cape Dory 270 was penned by Carl Alberg. The 2008 Jeanneau Sun Odyssey 30i was designed by Marc Lombard.
In terms of size, the 1978 Cape Dory 270 measures 8.23m (27.0ft) overall with a beam of 2.59m, compared to the 2008 Jeanneau Sun Odyssey 30i at 9.30m (30.5ft) with a 2.98m beam. The 2008 Jeanneau Sun Odyssey 30i is 1.07m longer than the 1978 Cape Dory 270. The 2008 Jeanneau Sun Odyssey 30i displaces approximately 47% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1978 Cape Dory 270 has modest sail power for its displacement with an SA/D ratio of 14.60 and 28.0 m² of sail area. The 2008 Jeanneau Sun Odyssey 30i, with an SA/D of 14.92 and 37.0 m² of canvas, offers modest sail power for its displacement. The 2008 Jeanneau Sun Odyssey 30i has the edge in terms of raw sailing performance.
For comfort and safety, the 1978 Cape Dory 270 offers a moderate motion comfort level (comfort ratio: 24.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.74). The 2008 Jeanneau Sun Odyssey 30i has a comfort ratio of 19.7 and a capsize screening value of 0.75. The ballast ratios are 41.7% for the 1978 Cape Dory 270 and 27.5% for the 2008 Jeanneau Sun Odyssey 30i, reflecting their respective approaches to stability.
Below deck, the 1978 Cape Dory 270 provides 4 berths in 1 cabin with 68L of water capacity and 38L of fuel. The 2008 Jeanneau Sun Odyssey 30i offers 5 berths in 2 cabins with 100L water and 50L 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 2008 Jeanneau Sun Odyssey 30i has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The 2008 Jeanneau Sun Odyssey 30i 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: 1978 Cape Dory 270 · 2008 Jeanneau Sun Odyssey 30i