1976 Ericson 29 vs 1984 O'Day 30 — Comparison

1976 Ericson 291976 Ericson 29
VS
1984 O'Day 30

Specifications Side by Side

Specification1976 Ericson 291984 O'Day 30
General
ManufacturerEricsonO'Day
Year1976–19831984–1989
TypeSloopSloop
CountryUSAUSA
DesignerBruce KingC. Raymond Hunt
Dimensions
LOA8.84 m (29.0 ft)9.14 m (30.0 ft)
LWL7.32 m (24.0 ft)7.62 m (25.0 ft)
Beam2.84 m (9.3 ft)3.05 m (10.0 ft)
Draft1.52 m (5.0 ft)1.52 m (5.0 ft)
Weight
Displacement3,175 kg (7,000 lbs)3,629 kg (8,001 lbs)
Ballast1,361 kg (3,000 lbs)1,452 kg (3,201 lbs)
Sailing
Sail Area34.0 m² (366 ft²)36.0 m² (388 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine13 HP13 HP
Fuel Capacity45 L (11.9 gal)57 L (15.1 gal)
Water Capacity76 L (20.1 gal)76 L (20.1 gal)
Accommodation
Berths56
Cabins12

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1976 Ericson 29
15.99
1984 O'Day 30
15.49
Ballast Ratio (Higher = more stability)
1976 Ericson 29
42.87
1984 O'Day 30
40.01
Capsize Ratio (Lower = safer offshore)
1976 Ericson 29
0.77
1984 O'Day 30
0.79
Comfort Ratio (Higher = gentler motion)
1976 Ericson 29
20.09
1984 O'Day 30
19.36

Detailed Comparison

The 1976 Ericson 29 and 1984 O'Day 30 represent two takes on sloop-rigged sailing. The 1976 Ericson 29 is a 1970s design by Ericson from USA, while the 1984 O'Day 30 is a 1980s offering from O'Day from USA. The 1976 Ericson 29 was penned by Bruce King. The 1984 O'Day 30 was designed by C. Raymond Hunt.

In terms of size, the 1976 Ericson 29 measures 8.84m (29.0ft) overall with a beam of 2.84m, compared to the 1984 O'Day 30 at 9.14m (30.0ft) with a 3.05m beam. The 1984 O'Day 30 is 0.30m longer than the 1976 Ericson 29. The 1984 O'Day 30 displaces approximately 14% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1976 Ericson 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 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 1976 Ericson 29 has the edge in terms of raw sailing performance.

For comfort and safety, the 1976 Ericson 29 offers a moderate motion comfort level (comfort ratio: 20.1) 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 42.9% for the 1976 Ericson 29 and 40.0% for the 1984 O'Day 30, reflecting their respective approaches to stability.

Below deck, the 1976 Ericson 29 provides 5 berths in 1 cabin with 76L of water capacity and 45L of fuel. The 1984 O'Day 30 offers 6 berths in 2 cabins with 76L water and 57L fuel capacity.

Verdict

For cruising: The 1976 Ericson 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 1976 Ericson 29 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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