1975 Cal 29 vs 1974 O'Day 23 — Comparison
1975 Cal 29
1974 O'Day 23
Specifications Side by Side
| Specification | 1975 Cal 29 | 1974 O'Day 23 |
|---|---|---|
| General | ||
| Manufacturer | Cal | O'Day |
| Year | 1975–1981 | 1974–1983 |
| Type | Sloop | Sloop |
| Country | USA | USA |
| Designer | Bill Lapworth | C. Raymond Hunt |
| Dimensions | ||
| LOA | 8.84 m (29.0 ft) | 6.93 m (22.7 ft) |
| LWL | 7.32 m (24.0 ft) | 5.79 m (19.0 ft) |
| Beam | 2.84 m (9.3 ft) | 2.24 m (7.3 ft) |
| Draft | 1.37 m (4.5 ft) | 1.02 m (3.3 ft) |
| Weight | ||
| Displacement | 3,175 kg (7,000 lbs) | 816 kg (1,799 lbs) |
| Ballast | 1,361 kg (3,000 lbs) | 295 kg (650 lbs) |
| Sailing | ||
| Sail Area | 34.0 m² (366 ft²) | 17.5 m² (188 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 13 HP | 5 HP |
| Fuel Capacity | 45 L (11.9 gal) | 11 L (2.9 gal) |
| Water Capacity | 76 L (20.1 gal) | 15 L (4.0 gal) |
| Accommodation | ||
| Berths | 5 | 4 |
| Cabins | 1 | 1 |
Performance Comparison
Detailed Comparison
The 1975 Cal 29 and 1974 O'Day 23 represent two takes on sloop-rigged sailing. The 1975 Cal 29 is a 1970s design by Cal from USA, while the 1974 O'Day 23 is a 1970s offering from O'Day from USA. The 1975 Cal 29 was penned by Bill Lapworth. The 1974 O'Day 23 was designed by C. Raymond Hunt.
In terms of size, the 1975 Cal 29 measures 8.84m (29.0ft) overall with a beam of 2.84m, compared to the 1974 O'Day 23 at 6.93m (22.7ft) with a 2.24m beam. The 1975 Cal 29 is 1.91m longer than the 1974 O'Day 23. The 1975 Cal 29 displaces approximately 289% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 1975 Cal 29 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.99 and 34.0 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 1975 Cal 29 offers a moderate motion comfort level (comfort ratio: 20.1) 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 42.9% for the 1975 Cal 29 and 36.2% for the 1974 O'Day 23, reflecting their respective approaches to stability.
Below deck, the 1975 Cal 29 provides 5 berths in 1 cabin with 76L of water capacity and 45L of fuel. The 1974 O'Day 23 offers 4 berths in 1 cabin with 15L water and 11L fuel capacity.
Verdict
For cruising: The 1975 Cal 29 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 1975 Cal 29 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.