1986 Island Packet 27 vs 1977 Cal 33 — Comparison
Specifications Side by Side
| Specification | 1986 Island Packet 27 | 1977 Cal 33 |
|---|---|---|
| General | ||
| Manufacturer | Island Packet | Cal |
| Year | 1986–1994 | 1977–1982 |
| Type | Sloop | Sloop |
| Country | USA | USA |
| Designer | Bob Johnson | Bill Lapworth / C. Raymond Hunt |
| Dimensions | ||
| LOA | 8.23 m (27.0 ft) | 10.06 m (33.0 ft) |
| LWL | 7.01 m (23.0 ft) | 8.08 m (26.5 ft) |
| Beam | 2.90 m (9.5 ft) | 3.20 m (10.5 ft) |
| Draft | 1.07 m (3.5 ft) | 1.60 m (5.2 ft) |
| Weight | ||
| Displacement | 3,175 kg (7,000 lbs) | 5,216 kg (11,499 lbs) |
| Ballast | 1,270 kg (2,800 lbs) | 2,177 kg (4,799 lbs) |
| Sailing | ||
| Sail Area | 29.0 m² (312 ft²) | 43.0 m² (463 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Full | Fin |
| Engine & Tanks | ||
| Engine | 15 HP | 18 HP |
| Fuel Capacity | 57 L (15.1 gal) | 68 L (18.0 gal) |
| Water Capacity | 95 L (25.1 gal) | 114 L (30.1 gal) |
| Accommodation | ||
| Berths | 4 | 6 |
| Cabins | 1 | 2 |
Performance Comparison
Detailed Comparison
The 1986 Island Packet 27 and 1977 Cal 33 represent two takes on sloop-rigged sailing. The 1986 Island Packet 27 is a 1980s design by Island Packet from USA, while the 1977 Cal 33 is a 1970s offering from Cal from USA. The 1986 Island Packet 27 was penned by Bob Johnson. The 1977 Cal 33 was designed by Bill Lapworth / C. Raymond Hunt.
In terms of size, the 1986 Island Packet 27 measures 8.23m (27.0ft) overall with a beam of 2.90m, compared to the 1977 Cal 33 at 10.06m (33.0ft) with a 3.20m beam. The 1977 Cal 33 is 1.83m longer than the 1986 Island Packet 27. The 1977 Cal 33 displaces approximately 64% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1986 Island Packet 27 has modest sail power for its displacement with an SA/D ratio of 13.64 and 29.0 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 1977 Cal 33 has the edge in terms of raw sailing performance.
For comfort and safety, the 1986 Island Packet 27 offers a moderate motion comfort level (comfort ratio: 21.7) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.79). 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 1986 Island Packet 27 and 41.7% for the 1977 Cal 33, reflecting their respective approaches to stability.
Below deck, the 1986 Island Packet 27 provides 4 berths in 1 cabin with 95L 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 1977 Cal 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 1977 Cal 33 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The 1977 Cal 33 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.
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Or view individual specs: 1986 Island Packet 27 · 1977 Cal 33