1966 Islander 33 vs 1977 Cal 33 — Comparison
1966 Islander 33
1977 Cal 33
Specifications Side by Side
| Specification | 1966 Islander 33 | 1977 Cal 33 |
|---|---|---|
| General | ||
| Manufacturer | Islander | Cal |
| Year | 1966–1974 | 1977–1982 |
| Type | Sloop | Sloop |
| Country | USA | USA |
| Designer | Joseph McGlasson | Bill Lapworth / C. Raymond Hunt |
| Dimensions | ||
| LOA | 10.06 m (33.0 ft) | 10.06 m (33.0 ft) |
| LWL | 7.62 m (25.0 ft) | 8.08 m (26.5 ft) |
| Beam | 2.97 m (9.7 ft) | 3.20 m (10.5 ft) |
| Draft | 1.52 m (5.0 ft) | 1.60 m (5.2 ft) |
| Weight | ||
| Displacement | 4,536 kg (10,000 lbs) | 5,216 kg (11,499 lbs) |
| Ballast | 1,814 kg (3,999 lbs) | 2,177 kg (4,799 lbs) |
| Sailing | ||
| Sail Area | 42.0 m² (452 ft²) | 43.0 m² (463 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 15 HP | 18 HP |
| Fuel Capacity | 57 L (15.1 gal) | 68 L (18.0 gal) |
| Water Capacity | 76 L (20.1 gal) | 114 L (30.1 gal) |
| Accommodation | ||
| Berths | 6 | 6 |
| Cabins | 2 | 2 |
Performance Comparison
Detailed Comparison
The 1966 Islander 33 and 1977 Cal 33 represent two takes on sloop-rigged sailing. The 1966 Islander 33 is a classic design by Islander from USA, while the 1977 Cal 33 is a 1970s offering from Cal from USA. The 1966 Islander 33 was penned by Joseph McGlasson. The 1977 Cal 33 was designed by Bill Lapworth / C. Raymond Hunt.
In terms of size, the 1966 Islander 33 measures 10.06m (33.0ft) overall with a beam of 2.97m, compared to the 1977 Cal 33 at 10.06m (33.0ft) with a 3.20m beam. The 1977 Cal 33 displaces approximately 15% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1966 Islander 33 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.57 and 42.0 m² of sail area. The 1977 Cal 33, with an SA/D of 14.53 and 43.0 m² of canvas, offers modest sail power for its displacement. The 1966 Islander 33 has the edge in terms of raw sailing performance.
For comfort and safety, the 1966 Islander 33 offers a moderate motion comfort level (comfort ratio: 23.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.72). The 1977 Cal 33 has a comfort ratio of 22.6 and a capsize screening value of 0.74. The ballast ratios are 40.0% for the 1966 Islander 33 and 41.7% for the 1977 Cal 33, reflecting their respective approaches to stability.
Below deck, the 1966 Islander 33 provides 6 berths in 2 cabins with 76L of water capacity and 57L of fuel. The 1977 Cal 33 offers 6 berths in 2 cabins with 114L water and 68L fuel capacity.
Verdict
For cruising: The 1966 Islander 33 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 1966 Islander 33 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.