1989 Catalina 36 vs 1984 O'Day 30 — Comparison

1989 Catalina 361989 Catalina 36
VS
1984 O'Day 30

Specifications Side by Side

Specification1989 Catalina 361984 O'Day 30
General
ManufacturerCatalinaO'Day
Year1989–19941984–1989
TypeSloopSloop
CountryUSAUSA
DesignerFrank ButlerC. Raymond Hunt
Dimensions
LOA10.97 m (36.0 ft)9.14 m (30.0 ft)
LWL9.14 m (30.0 ft)7.62 m (25.0 ft)
Beam3.65 m (12.0 ft)3.05 m (10.0 ft)
Draft1.83 m (6.0 ft)1.52 m (5.0 ft)
Weight
Displacement6,804 kg (15,000 lbs)3,629 kg (8,001 lbs)
Ballast2,722 kg (6,001 lbs)1,452 kg (3,201 lbs)
Sailing
Sail Area56.3 m² (606 ft²)36.0 m² (388 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine22 HP13 HP
Fuel Capacity114 L (30.1 gal)57 L (15.1 gal)
Water Capacity189 L (49.9 gal)76 L (20.1 gal)
Accommodation
Berths76
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1989 Catalina 36
15.93
1984 O'Day 30
15.49
Ballast Ratio (Higher = more stability)
1989 Catalina 36
40.01
1984 O'Day 30
40.01
Capsize Ratio (Lower = safer offshore)
1989 Catalina 36
0.77
1984 O'Day 30
0.79
Comfort Ratio (Higher = gentler motion)
1989 Catalina 36
19.85
1984 O'Day 30
19.36

Detailed Comparison

The 1989 Catalina 36 and 1984 O'Day 30 represent two takes on sloop-rigged sailing. The 1989 Catalina 36 is a 1980s design by Catalina from USA, while the 1984 O'Day 30 is a 1980s offering from O'Day from USA. The 1989 Catalina 36 was penned by Frank Butler. The 1984 O'Day 30 was designed by C. Raymond Hunt.

In terms of size, the 1989 Catalina 36 measures 10.97m (36.0ft) overall with a beam of 3.65m, compared to the 1984 O'Day 30 at 9.14m (30.0ft) with a 3.05m beam. The 1989 Catalina 36 is 1.83m longer than the 1984 O'Day 30. The 1989 Catalina 36 displaces approximately 87% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1989 Catalina 36 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.93 and 56.3 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 1989 Catalina 36 has the edge in terms of raw sailing performance.

For comfort and safety, the 1989 Catalina 36 offers a firm, racing-oriented motion (comfort ratio: 19.9) 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 40.0% for the 1989 Catalina 36 and 40.0% for the 1984 O'Day 30, reflecting their respective approaches to stability.

Below deck, the 1989 Catalina 36 provides 7 berths in 2 cabins with 189L of water capacity and 114L of fuel. The 1984 O'Day 30 offers 6 berths in 2 cabins with 76L water and 57L fuel capacity.

Verdict

For cruising: The 1989 Catalina 36 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 1989 Catalina 36 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1989 Catalina 36 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: 1989 Catalina 36 · 1984 O'Day 30