2000 Hallberg-Rassy 31 vs 1974 O'Day 23 — Comparison
1974 O'Day 23
Specifications Side by Side
| Specification | 2000 Hallberg-Rassy 31 | 1974 O'Day 23 |
|---|---|---|
| General | ||
| Manufacturer | Hallberg-Rassy | O'Day |
| Year | 2000–2010 | 1974–1983 |
| Type | Sloop | Sloop |
| Country | Sweden | USA |
| Designer | German Frers | C. Raymond Hunt |
| Dimensions | ||
| LOA | 9.47 m (31.1 ft) | 6.93 m (22.7 ft) |
| LWL | 8.25 m (27.1 ft) | 5.79 m (19.0 ft) |
| Beam | 3.18 m (10.4 ft) | 2.24 m (7.3 ft) |
| Draft | 1.60 m (5.2 ft) | 1.02 m (3.3 ft) |
| Weight | ||
| Displacement | 4,600 kg (10,141 lbs) | 816 kg (1,799 lbs) |
| Ballast | 1,850 kg (4,079 lbs) | 295 kg (650 lbs) |
| Sailing | ||
| Sail Area | 44.5 m² (479 ft²) | 17.5 m² (188 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 21 HP | 5 HP |
| Fuel Capacity | 80 L (21.1 gal) | 11 L (2.9 gal) |
| Water Capacity | 140 L (37.0 gal) | 15 L (4.0 gal) |
| Accommodation | ||
| Berths | 5 | 4 |
| Cabins | 2 | 1 |
Performance Comparison
Detailed Comparison
The 2000 Hallberg-Rassy 31 and 1974 O'Day 23 represent two takes on sloop-rigged sailing. The 2000 Hallberg-Rassy 31 is a 2000s design by Hallberg-Rassy from Sweden, while the 1974 O'Day 23 is a 1970s offering from O'Day from USA. The 2000 Hallberg-Rassy 31 was penned by German Frers. The 1974 O'Day 23 was designed by C. Raymond Hunt.
In terms of size, the 2000 Hallberg-Rassy 31 measures 9.47m (31.1ft) overall with a beam of 3.18m, compared to the 1974 O'Day 23 at 6.93m (22.7ft) with a 2.24m beam. The 2000 Hallberg-Rassy 31 is 2.54m longer than the 1974 O'Day 23. The 2000 Hallberg-Rassy 31 displaces approximately 464% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 2000 Hallberg-Rassy 31 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.35 and 44.5 m² of sail area. The 1974 O'Day 23, with an SA/D of 20.38 and 17.5 m² of canvas, offers generous sail power for spirited sailing. The 1974 O'Day 23 has the edge in terms of raw sailing performance.
For comfort and safety, the 2000 Hallberg-Rassy 31 offers a moderate motion comfort level (comfort ratio: 20.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1974 O'Day 23 has a comfort ratio of 11.4 and a capsize screening value of 0.96. The ballast ratios are 40.2% for the 2000 Hallberg-Rassy 31 and 36.2% for the 1974 O'Day 23, reflecting their respective approaches to stability.
Below deck, the 2000 Hallberg-Rassy 31 provides 5 berths in 2 cabins with 140L of water capacity and 80L of fuel. The 1974 O'Day 23 offers 4 berths in 1 cabin with 15L water and 11L fuel capacity.
Verdict
For cruising: The 2000 Hallberg-Rassy 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 1974 O'Day 23 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The 2000 Hallberg-Rassy 31 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: 2000 Hallberg-Rassy 31 · 1974 O'Day 23