Catalina 34 MkII vs 1984 O'Day 30 — Comparison
Specifications Side by Side
| Specification | Catalina 34 MkII | 1984 O'Day 30 |
|---|---|---|
| General | ||
| Manufacturer | Catalina | O'Day |
| Year | 1995–2004 | 1984–1989 |
| Type | Sloop | Sloop |
| Country | USA | USA |
| Designer | Gerry Douglas | C. Raymond Hunt |
| Dimensions | ||
| LOA | 10.36 m (34.0 ft) | 9.14 m (30.0 ft) |
| LWL | 9.14 m (30.0 ft) | 7.62 m (25.0 ft) |
| Beam | 3.40 m (11.2 ft) | 3.05 m (10.0 ft) |
| Draft | 1.75 m (5.7 ft) | 1.52 m (5.0 ft) |
| Weight | ||
| Displacement | 5,443 kg (12,000 lbs) | 3,629 kg (8,001 lbs) |
| Ballast | 2,041 kg (4,500 lbs) | 1,452 kg (3,201 lbs) |
| Sailing | ||
| Sail Area | 52.0 m² (560 ft²) | 36.0 m² (388 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 21 HP | 13 HP |
| Fuel Capacity | 76 L (20.1 gal) | 57 L (15.1 gal) |
| Water Capacity | 151 L (39.9 gal) | 76 L (20.1 gal) |
| Accommodation | ||
| Berths | 6 | 6 |
| Cabins | 2 | 2 |
Performance Comparison
Detailed Comparison
The Catalina 34 MkII and 1984 O'Day 30 represent two takes on sloop-rigged sailing. The Catalina 34 MkII is a 1990s design by Catalina from USA, while the 1984 O'Day 30 is a 1980s offering from O'Day from USA. The Catalina 34 MkII was penned by Gerry Douglas. The 1984 O'Day 30 was designed by C. Raymond Hunt.
In terms of size, the Catalina 34 MkII measures 10.36m (34.0ft) overall with a beam of 3.40m, compared to the 1984 O'Day 30 at 9.14m (30.0ft) with a 3.05m beam. The Catalina 34 MkII is 1.22m longer than the 1984 O'Day 30. The Catalina 34 MkII displaces approximately 50% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the Catalina 34 MkII has good sail power for versatile performance with an SA/D ratio of 17.08 and 52.0 m² of sail area. The 1984 O'Day 30, with an SA/D of 15.49 and 36.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Catalina 34 MkII has the edge in terms of raw sailing performance.
For comfort and safety, the Catalina 34 MkII offers a firm, racing-oriented motion (comfort ratio: 18.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1984 O'Day 30 has a comfort ratio of 19.4 and a capsize screening value of 0.79. The ballast ratios are 37.5% for the Catalina 34 MkII and 40.0% for the 1984 O'Day 30, reflecting their respective approaches to stability.
Below deck, the Catalina 34 MkII provides 6 berths in 2 cabins with 151L of water capacity and 76L of fuel. The 1984 O'Day 30 offers 6 berths in 2 cabins with 76L water and 57L fuel capacity.
Verdict
For cruising: The 1984 O'Day 30 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 Catalina 34 MkII 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.
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Or view individual specs: Catalina 34 MkII · 1984 O'Day 30