1973 Islander 37 vs 1981 Nautor Swan 36 — Comparison
1973 Islander 37
1981 Nautor Swan 36
Specifications Side by Side
| Specification | 1973 Islander 37 | 1981 Nautor Swan 36 |
|---|---|---|
| General | ||
| Manufacturer | Islander | Nautor Swan |
| Year | 1973–1978 | 1981–1989 |
| Type | Sloop | Sloop |
| Country | USA | Finland |
| Designer | Alan Gurney | Sparkman & Stephens |
| Dimensions | ||
| LOA | 11.28 m (37.0 ft) | 10.97 m (36.0 ft) |
| LWL | 8.69 m (28.5 ft) | 8.53 m (28.0 ft) |
| Beam | 3.28 m (10.8 ft) | 3.35 m (11.0 ft) |
| Draft | 1.68 m (5.5 ft) | 1.98 m (6.5 ft) |
| Weight | ||
| Displacement | 6,577 kg (14,500 lbs) | 6,350 kg (13,999 lbs) |
| Ballast | 2,722 kg (6,001 lbs) | 2,722 kg (6,001 lbs) |
| Sailing | ||
| Sail Area | 54.5 m² (587 ft²) | 54.5 m² (587 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 22 HP | 28 HP |
| Fuel Capacity | 76 L (20.1 gal) | 100 L (26.4 gal) |
| Water Capacity | 114 L (30.1 gal) | 180 L (47.6 gal) |
| Accommodation | ||
| Berths | 6 | 6 |
| Cabins | 2 | 2 |
Performance Comparison
Detailed Comparison
The 1973 Islander 37 and 1981 Nautor Swan 36 represent two takes on sloop-rigged sailing. The 1973 Islander 37 is a 1970s design by Islander from USA, while the 1981 Nautor Swan 36 is a 1980s offering from Nautor Swan from Finland. The 1973 Islander 37 was penned by Alan Gurney. The 1981 Nautor Swan 36 was designed by Sparkman & Stephens.
In terms of size, the 1973 Islander 37 measures 11.28m (37.0ft) overall with a beam of 3.28m, compared to the 1981 Nautor Swan 36 at 10.97m (36.0ft) with a 3.35m beam. The 1973 Islander 37 is 0.31m longer than the 1981 Nautor Swan 36. The 1973 Islander 37 displaces approximately 4% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1973 Islander 37 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.77 and 54.5 m² of sail area. The 1981 Nautor Swan 36, with an SA/D of 16.15 and 54.5 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1981 Nautor Swan 36 has the edge in terms of raw sailing performance.
For comfort and safety, the 1973 Islander 37 offers a moderate motion comfort level (comfort ratio: 23.2) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.70). The 1981 Nautor Swan 36 has a comfort ratio of 22.7 and a capsize screening value of 0.72. The ballast ratios are 41.4% for the 1973 Islander 37 and 42.9% for the 1981 Nautor Swan 36, reflecting their respective approaches to stability.
Below deck, the 1973 Islander 37 provides 6 berths in 2 cabins with 114L of water capacity and 76L of fuel. The 1981 Nautor Swan 36 offers 6 berths in 2 cabins with 180L water and 100L fuel capacity.
Verdict
For cruising: The 1973 Islander 37 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 1981 Nautor Swan 36 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.