1972 Islander 24 vs 1978 Cape Dory 270 — Comparison
1972 Islander 24
Specifications Side by Side
| Specification | 1972 Islander 24 | 1978 Cape Dory 270 |
|---|---|---|
| General | ||
| Manufacturer | Islander | Cape Dory |
| Year | 1972–1977 | 1978–1985 |
| Type | Sloop | Sloop |
| Country | USA | USA |
| Designer | Alan Gurney | Carl Alberg |
| Dimensions | ||
| LOA | 7.32 m (24.0 ft) | 8.23 m (27.0 ft) |
| LWL | 5.94 m (19.5 ft) | 6.40 m (21.0 ft) |
| Beam | 2.36 m (7.7 ft) | 2.59 m (8.5 ft) |
| Draft | 1.14 m (3.7 ft) | 1.14 m (3.7 ft) |
| Weight | ||
| Displacement | 1,588 kg (3,501 lbs) | 2,722 kg (6,001 lbs) |
| Ballast | 635 kg (1,400 lbs) | 1,134 kg (2,500 lbs) |
| Sailing | ||
| Sail Area | 23.5 m² (253 ft²) | 28.0 m² (301 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Full |
| Engine & Tanks | ||
| Engine | 7 HP | 12 HP |
| Fuel Capacity | 23 L (6.1 gal) | 38 L (10.0 gal) |
| Water Capacity | 38 L (10.0 gal) | 68 L (18.0 gal) |
| Accommodation | ||
| Berths | 4 | 4 |
| Cabins | 1 | 1 |
Performance Comparison
Detailed Comparison
The 1972 Islander 24 and 1978 Cape Dory 270 represent two takes on sloop-rigged sailing. The 1972 Islander 24 is a 1970s design by Islander from USA, while the 1978 Cape Dory 270 is a 1970s offering from Cape Dory from USA. The 1972 Islander 24 was penned by Alan Gurney. The 1978 Cape Dory 270 was designed by Carl Alberg.
In terms of size, the 1972 Islander 24 measures 7.32m (24.0ft) overall with a beam of 2.36m, compared to the 1978 Cape Dory 270 at 8.23m (27.0ft) with a 2.59m beam. The 1978 Cape Dory 270 is 0.91m longer than the 1972 Islander 24. The 1978 Cape Dory 270 displaces approximately 71% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1972 Islander 24 has good sail power for versatile performance with an SA/D ratio of 17.55 and 23.5 m² of sail area. The 1978 Cape Dory 270, with an SA/D of 14.60 and 28.0 m² of canvas, offers modest sail power for its displacement. The 1972 Islander 24 has the edge in terms of raw sailing performance.
For comfort and safety, the 1972 Islander 24 offers a firm, racing-oriented motion (comfort ratio: 19.3) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.81). The 1978 Cape Dory 270 has a comfort ratio of 24.4 and a capsize screening value of 0.74. The ballast ratios are 40.0% for the 1972 Islander 24 and 41.7% for the 1978 Cape Dory 270, reflecting their respective approaches to stability.
Below deck, the 1972 Islander 24 provides 4 berths in 1 cabin with 38L of water capacity and 23L of fuel. The 1978 Cape Dory 270 offers 4 berths in 1 cabin with 68L water and 38L fuel capacity.
Verdict
For cruising: The 1978 Cape Dory 270 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 1972 Islander 24 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: 1972 Islander 24 · 1978 Cape Dory 270