1972 Contest 31 vs 1986 Island Packet 27 — Comparison
1972 Contest 31
Specifications Side by Side
| Specification | 1972 Contest 31 | 1986 Island Packet 27 |
|---|---|---|
| General | ||
| Manufacturer | Contest | Island Packet |
| Year | 1972–1982 | 1986–1994 |
| Type | Sloop | Sloop |
| Country | Netherlands | USA |
| Designer | Dick Zaal | Bob Johnson |
| Dimensions | ||
| LOA | 9.45 m (31.0 ft) | 8.23 m (27.0 ft) |
| LWL | 7.62 m (25.0 ft) | 7.01 m (23.0 ft) |
| Beam | 3.05 m (10.0 ft) | 2.90 m (9.5 ft) |
| Draft | 1.52 m (5.0 ft) | 1.07 m (3.5 ft) |
| Weight | ||
| Displacement | 4,536 kg (10,000 lbs) | 3,175 kg (7,000 lbs) |
| Ballast | 1,814 kg (3,999 lbs) | 1,270 kg (2,800 lbs) |
| Sailing | ||
| Sail Area | 39.5 m² (425 ft²) | 29.0 m² (312 ft²) |
| Hull Material | Steel | Fiberglass |
| Keel Type | Fin | Full |
| Engine & Tanks | ||
| Engine | 18 HP | 15 HP |
| Fuel Capacity | 80 L (21.1 gal) | 57 L (15.1 gal) |
| Water Capacity | 150 L (39.6 gal) | 95 L (25.1 gal) |
| Accommodation | ||
| Berths | 5 | 4 |
| Cabins | 2 | 1 |
Performance Comparison
Detailed Comparison
The 1972 Contest 31 and 1986 Island Packet 27 represent two takes on sloop-rigged sailing. The 1972 Contest 31 is a 1970s design by Contest from Netherlands, while the 1986 Island Packet 27 is a 1980s offering from Island Packet from USA. The 1972 Contest 31 was penned by Dick Zaal. The 1986 Island Packet 27 was designed by Bob Johnson.
In terms of size, the 1972 Contest 31 measures 9.45m (31.0ft) overall with a beam of 3.05m, compared to the 1986 Island Packet 27 at 8.23m (27.0ft) with a 2.90m beam. The 1972 Contest 31 is 1.22m longer than the 1986 Island Packet 27. The 1972 Contest 31 displaces approximately 43% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1972 Contest 31 has modest sail power for its displacement with an SA/D ratio of 14.65 and 39.5 m² of sail area. The 1986 Island Packet 27, with an SA/D of 13.64 and 29.0 m² of canvas, offers modest sail power for its displacement. The 1972 Contest 31 has the edge in terms of raw sailing performance.
For comfort and safety, the 1972 Contest 31 offers a moderate motion comfort level (comfort ratio: 23.7) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.74). The 1986 Island Packet 27 has a comfort ratio of 21.7 and a capsize screening value of 0.79. The ballast ratios are 40.0% for the 1972 Contest 31 and 40.0% for the 1986 Island Packet 27, reflecting their respective approaches to stability.
Below deck, the 1972 Contest 31 provides 5 berths in 2 cabins with 150L of water capacity and 80L of fuel. The 1986 Island Packet 27 offers 4 berths in 1 cabin with 95L water and 57L fuel capacity.
Verdict
For cruising: The 1972 Contest 31 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 Contest 31 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The 1972 Contest 31 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.
Compare Different Boats
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Or view individual specs: 1972 Contest 31 · 1986 Island Packet 27