1978 C&C 24 vs 1984 O'Day 30 — Comparison

1978 C&C 241978 C&C 24
VS
1984 O'Day 30

Specifications Side by Side

Specification1978 C&C 241984 O'Day 30
General
ManufacturerC&C YachtsO'Day
Year1978–19831984–1989
TypeSloopSloop
CountryCanadaUSA
DesignerCuthbertson & CassianC. Raymond Hunt
Dimensions
LOA7.32 m (24.0 ft)9.14 m (30.0 ft)
LWL6.10 m (20.0 ft)7.62 m (25.0 ft)
Beam2.44 m (8.0 ft)3.05 m (10.0 ft)
Draft1.22 m (4.0 ft)1.52 m (5.0 ft)
Weight
Displacement1,497 kg (3,300 lbs)3,629 kg (8,001 lbs)
Ballast612 kg (1,349 lbs)1,452 kg (3,201 lbs)
Sailing
Sail Area24.0 m² (258 ft²)36.0 m² (388 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine7 HP13 HP
Fuel Capacity19 L (5.0 gal)57 L (15.1 gal)
Water Capacity30 L (7.9 gal)76 L (20.1 gal)
Accommodation
Berths46
Cabins12

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1978 C&C 24
18.64
1984 O'Day 30
15.49
Ballast Ratio (Higher = more stability)
1978 C&C 24
40.88
1984 O'Day 30
40.01
Capsize Ratio (Lower = safer offshore)
1978 C&C 24
0.85
1984 O'Day 30
0.79
Comfort Ratio (Higher = gentler motion)
1978 C&C 24
16.77
1984 O'Day 30
19.36

Detailed Comparison

The 1978 C&C 24 and 1984 O'Day 30 represent two takes on sloop-rigged sailing. The 1978 C&C 24 is a 1970s design by C&C Yachts from Canada, while the 1984 O'Day 30 is a 1980s offering from O'Day from USA. The 1978 C&C 24 was penned by Cuthbertson & Cassian. The 1984 O'Day 30 was designed by C. Raymond Hunt.

In terms of size, the 1978 C&C 24 measures 7.32m (24.0ft) overall with a beam of 2.44m, compared to the 1984 O'Day 30 at 9.14m (30.0ft) with a 3.05m beam. The 1984 O'Day 30 is 1.82m longer than the 1978 C&C 24. The 1984 O'Day 30 displaces approximately 142% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1978 C&C 24 has good sail power for versatile performance with an SA/D ratio of 18.64 and 24.0 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 1978 C&C 24 has the edge in terms of raw sailing performance.

For comfort and safety, the 1978 C&C 24 offers a firm, racing-oriented motion (comfort ratio: 16.8) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.85). The 1984 O'Day 30 has a comfort ratio of 19.4 and a capsize screening value of 0.79. The ballast ratios are 40.9% for the 1978 C&C 24 and 40.0% for the 1984 O'Day 30, reflecting their respective approaches to stability.

Below deck, the 1978 C&C 24 provides 4 berths in 1 cabin with 30L of water capacity and 19L 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 1978 C&C 24 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1984 O'Day 30 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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