Jeanneau Sun Fast 3600 vs 1979 O'Day 28 — Comparison
1979 O'Day 28
Specifications Side by Side
| Specification | Jeanneau Sun Fast 3600 | 1979 O'Day 28 |
|---|---|---|
| General | ||
| Manufacturer | Jeanneau | O'Day |
| Year | 2016 | 1979–1985 |
| Type | Sloop | Sloop |
| Country | France | USA |
| Designer | Daniel Andrieu | C. Raymond Hunt |
| Dimensions | ||
| LOA | 10.94 m (35.9 ft) | 8.53 m (28.0 ft) |
| LWL | 10.10 m (33.1 ft) | 7.01 m (23.0 ft) |
| Beam | 3.55 m (11.6 ft) | 2.84 m (9.3 ft) |
| Draft | 2.10 m (6.9 ft) | 1.37 m (4.5 ft) |
| Weight | ||
| Displacement | 5,100 kg (11,244 lbs) | 2,722 kg (6,001 lbs) |
| Ballast | 1,900 kg (4,189 lbs) | 1,089 kg (2,401 lbs) |
| Sailing | ||
| Sail Area | 61.0 m² (657 ft²) | 31.0 m² (334 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 21 HP | 10 HP |
| Fuel Capacity | 80 L (21.1 gal) | 38 L (10.0 gal) |
| Water Capacity | 120 L (31.7 gal) | 57 L (15.1 gal) |
| Accommodation | ||
| Berths | 5 | 5 |
| Cabins | 1 | 1 |
Performance Comparison
Detailed Comparison
The Jeanneau Sun Fast 3600 and 1979 O'Day 28 represent two takes on sloop-rigged sailing. The Jeanneau Sun Fast 3600 is a modern design by Jeanneau from France, while the 1979 O'Day 28 is a 1970s offering from O'Day from USA. The Jeanneau Sun Fast 3600 was penned by Daniel Andrieu. The 1979 O'Day 28 was designed by C. Raymond Hunt.
In terms of size, the Jeanneau Sun Fast 3600 measures 10.94m (35.9ft) overall with a beam of 3.55m, compared to the 1979 O'Day 28 at 8.53m (28.0ft) with a 2.84m beam. The Jeanneau Sun Fast 3600 is 2.41m longer than the 1979 O'Day 28. The Jeanneau Sun Fast 3600 displaces approximately 87% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the Jeanneau Sun Fast 3600 has generous sail power for spirited sailing with an SA/D ratio of 20.92 and 61.0 m² of sail area. The 1979 O'Day 28, with an SA/D of 16.16 and 31.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Jeanneau Sun Fast 3600 has the edge in terms of raw sailing performance.
For comfort and safety, the Jeanneau Sun Fast 3600 offers a firm, racing-oriented motion (comfort ratio: 13.5) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.83). The 1979 O'Day 28 has a comfort ratio of 18.7 and a capsize screening value of 0.81. The ballast ratios are 37.3% for the Jeanneau Sun Fast 3600 and 40.0% for the 1979 O'Day 28, reflecting their respective approaches to stability.
Below deck, the Jeanneau Sun Fast 3600 provides 5 berths in 1 cabin with 120L of water capacity and 80L of fuel. The 1979 O'Day 28 offers 5 berths in 1 cabin with 57L water and 38L fuel capacity.
Verdict
For cruising: The 1979 O'Day 28 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 Fast 3600 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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