1970 Irwin 34 vs 1993 Najad 360 — Comparison
1970 Irwin 34
1993 Najad 360
Specifications Side by Side
| Specification | 1970 Irwin 34 | 1993 Najad 360 |
|---|---|---|
| General | ||
| Manufacturer | Irwin | Najad |
| Year | 1970–1978 | 1993–2002 |
| Type | Sloop | Sloop |
| Country | USA | Sweden |
| Designer | Ted Irwin | Judel/Vrolijk |
| Dimensions | ||
| LOA | 10.36 m (34.0 ft) | 10.97 m (36.0 ft) |
| LWL | 8.23 m (27.0 ft) | 9.14 m (30.0 ft) |
| Beam | 3.20 m (10.5 ft) | 3.42 m (11.2 ft) |
| Draft | 1.52 m (5.0 ft) | 1.80 m (5.9 ft) |
| Weight | ||
| Displacement | 5,443 kg (12,000 lbs) | 6,500 kg (14,330 lbs) |
| Ballast | 2,177 kg (4,799 lbs) | 2,700 kg (5,952 lbs) |
| Sailing | ||
| Sail Area | 47.9 m² (516 ft²) | 55.0 m² (592 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Full | Fin |
| Engine & Tanks | ||
| Engine | 18 HP | 28 HP |
| Fuel Capacity | 76 L (20.1 gal) | 120 L (31.7 gal) |
| Water Capacity | 114 L (30.1 gal) | 200 L (52.8 gal) |
| Accommodation | ||
| Berths | 6 | 6 |
| Cabins | 2 | 2 |
Performance Comparison
Detailed Comparison
The 1970 Irwin 34 and 1993 Najad 360 represent two takes on sloop-rigged sailing. The 1970 Irwin 34 is a 1970s design by Irwin from USA, while the 1993 Najad 360 is a 1990s offering from Najad from Sweden. The 1970 Irwin 34 was penned by Ted Irwin. The 1993 Najad 360 was designed by Judel/Vrolijk.
In terms of size, the 1970 Irwin 34 measures 10.36m (34.0ft) overall with a beam of 3.20m, compared to the 1993 Najad 360 at 10.97m (36.0ft) with a 3.42m beam. The 1993 Najad 360 is 0.61m longer than the 1970 Irwin 34. The 1993 Najad 360 displaces approximately 19% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1970 Irwin 34 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.73 and 47.9 m² of sail area. The 1993 Najad 360, with an SA/D of 16.04 and 55.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1993 Najad 360 has the edge in terms of raw sailing performance.
For comfort and safety, the 1970 Irwin 34 offers a moderate motion comfort level (comfort ratio: 22.6) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.73). The 1993 Najad 360 has a comfort ratio of 20.7 and a capsize screening value of 0.73. The ballast ratios are 40.0% for the 1970 Irwin 34 and 41.5% for the 1993 Najad 360, reflecting their respective approaches to stability.
Below deck, the 1970 Irwin 34 provides 6 berths in 2 cabins with 114L of water capacity and 76L of fuel. The 1993 Najad 360 offers 6 berths in 2 cabins with 200L water and 120L fuel capacity.
Verdict
For cruising: The 1970 Irwin 34 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 1993 Najad 360 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.