1988 Najad 331 vs 1975 Cal 29 — Comparison
Specifications Side by Side
| Specification | 1988 Najad 331 | 1975 Cal 29 |
|---|---|---|
| General | ||
| Manufacturer | Najad | Cal |
| Year | 1988–1998 | 1975–1981 |
| Type | Sloop | Sloop |
| Country | Sweden | USA |
| Designer | Judel/Vrolijk | Bill Lapworth |
| Dimensions | ||
| LOA | 10.06 m (33.0 ft) | 8.84 m (29.0 ft) |
| LWL | 8.38 m (27.5 ft) | 7.32 m (24.0 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) | 3,175 kg (7,000 lbs) |
| Ballast | 2,000 kg (4,409 lbs) | 1,361 kg (3,000 lbs) |
| Sailing | ||
| Sail Area | 43.0 m² (463 ft²) | 34.0 m² (366 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 21 HP | 13 HP |
| Fuel Capacity | 80 L (21.1 gal) | 45 L (11.9 gal) |
| Water Capacity | 140 L (37.0 gal) | 76 L (20.1 gal) |
| Accommodation | ||
| Berths | 5 | 5 |
| Cabins | 2 | 1 |
Performance Comparison
Detailed Comparison
The 1988 Najad 331 and 1975 Cal 29 represent two takes on sloop-rigged sailing. The 1988 Najad 331 is a 1980s design by Najad from Sweden, while the 1975 Cal 29 is a 1970s offering from Cal from USA. The 1988 Najad 331 was penned by Judel/Vrolijk. The 1975 Cal 29 was designed by Bill Lapworth.
In terms of size, the 1988 Najad 331 measures 10.06m (33.0ft) overall with a beam of 3.18m, compared to the 1975 Cal 29 at 8.84m (29.0ft) with a 2.84m beam. The 1988 Najad 331 is 1.22m longer than the 1975 Cal 29. The 1988 Najad 331 displaces approximately 54% 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 1975 Cal 29, with an SA/D of 15.99 and 34.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1975 Cal 29 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 1975 Cal 29 has a comfort ratio of 20.1 and a capsize screening value of 0.77. The ballast ratios are 40.8% for the 1988 Najad 331 and 42.9% for the 1975 Cal 29, 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 1975 Cal 29 offers 5 berths in 1 cabin with 76L water and 45L 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 1975 Cal 29 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.
Compare Different Boats
Looking for a different matchup? Browse All Boats
Or view individual specs: 1988 Najad 331 · 1975 Cal 29