1988 Najad 331 vs 1979 O'Day 28 — Comparison
1979 O'Day 28
Specifications Side by Side
| Specification | 1988 Najad 331 | 1979 O'Day 28 |
|---|---|---|
| General | ||
| Manufacturer | Najad | O'Day |
| Year | 1988–1998 | 1979–1985 |
| Type | Sloop | Sloop |
| Country | Sweden | USA |
| Designer | Judel/Vrolijk | C. Raymond Hunt |
| Dimensions | ||
| LOA | 10.06 m (33.0 ft) | 8.53 m (28.0 ft) |
| LWL | 8.38 m (27.5 ft) | 7.01 m (23.0 ft) |
| Beam | 3.18 m (10.4 ft) | 2.84 m (9.3 ft) |
| Draft | 1.65 m (5.4 ft) | 1.37 m (4.5 ft) |
| Weight | ||
| Displacement | 4,900 kg (10,803 lbs) | 2,722 kg (6,001 lbs) |
| Ballast | 2,000 kg (4,409 lbs) | 1,089 kg (2,401 lbs) |
| Sailing | ||
| Sail Area | 43.0 m² (463 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 | 140 L (37.0 gal) | 57 L (15.1 gal) |
| Accommodation | ||
| Berths | 5 | 5 |
| Cabins | 2 | 1 |
Performance Comparison
Detailed Comparison
The 1988 Najad 331 and 1979 O'Day 28 represent two takes on sloop-rigged sailing. The 1988 Najad 331 is a 1980s design by Najad from Sweden, while the 1979 O'Day 28 is a 1970s offering from O'Day from USA. The 1988 Najad 331 was penned by Judel/Vrolijk. The 1979 O'Day 28 was designed by C. Raymond Hunt.
In terms of size, the 1988 Najad 331 measures 10.06m (33.0ft) overall with a beam of 3.18m, compared to the 1979 O'Day 28 at 8.53m (28.0ft) with a 2.84m beam. The 1988 Najad 331 is 1.53m longer than the 1979 O'Day 28. The 1988 Najad 331 displaces approximately 80% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1988 Najad 331 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.15 and 43.0 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 1979 O'Day 28 has the edge in terms of raw sailing performance.
For comfort and safety, the 1988 Najad 331 offers a moderate motion comfort level (comfort ratio: 20.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.75). The 1979 O'Day 28 has a comfort ratio of 18.7 and a capsize screening value of 0.81. The ballast ratios are 40.8% for the 1988 Najad 331 and 40.0% for the 1979 O'Day 28, reflecting their respective approaches to stability.
Below deck, the 1988 Najad 331 provides 5 berths in 2 cabins with 140L 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 1988 Najad 331 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 1979 O'Day 28 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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Or view individual specs: 1988 Najad 331 · 1979 O'Day 28