1984 J/29 vs 1974 O'Day 23 — Comparison

1984 J/29
VS
1974 O'Day 231974 O'Day 23

Specifications Side by Side

Specification1984 J/291974 O'Day 23
General
ManufacturerJ/BoatsO'Day
Year1984–19901974–1983
TypeSloopSloop
CountryUSAUSA
DesignerRod JohnstoneC. Raymond Hunt
Dimensions
LOA8.99 m (29.5 ft)6.93 m (22.7 ft)
LWL7.62 m (25.0 ft)5.79 m (19.0 ft)
Beam3.28 m (10.8 ft)2.24 m (7.3 ft)
Draft1.83 m (6.0 ft)1.02 m (3.3 ft)
Weight
Displacement3,266 kg (7,200 lbs)816 kg (1,799 lbs)
Ballast1,497 kg (3,300 lbs)295 kg (650 lbs)
Sailing
Sail Area41.1 m² (442 ft²)17.5 m² (188 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine10 HP5 HP
Fuel Capacity38 L (10.0 gal)11 L (2.9 gal)
Water Capacity38 L (10.0 gal)15 L (4.0 gal)
Accommodation
Berths54
Cabins11

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1984 J/29
18.97
1974 O'Day 23
20.38
Ballast Ratio (Higher = more stability)
1984 J/29
45.84
1974 O'Day 23
36.15
Capsize Ratio (Lower = safer offshore)
1984 J/29
0.89
1974 O'Day 23
0.96
Comfort Ratio (Higher = gentler motion)
1984 J/29
15.99
1974 O'Day 23
11.39

Detailed Comparison

The 1984 J/29 and 1974 O'Day 23 represent two takes on sloop-rigged sailing. The 1984 J/29 is a 1980s design by J/Boats from USA, while the 1974 O'Day 23 is a 1970s offering from O'Day from USA. The 1984 J/29 was penned by Rod Johnstone. The 1974 O'Day 23 was designed by C. Raymond Hunt.

In terms of size, the 1984 J/29 measures 8.99m (29.5ft) overall with a beam of 3.28m, compared to the 1974 O'Day 23 at 6.93m (22.7ft) with a 2.24m beam. The 1984 J/29 is 2.06m longer than the 1974 O'Day 23. The 1984 J/29 displaces approximately 300% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1984 J/29 has good sail power for versatile performance with an SA/D ratio of 18.97 and 41.1 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 1984 J/29 offers a firm, racing-oriented motion (comfort ratio: 16.0) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.89). The 1974 O'Day 23 has a comfort ratio of 11.4 and a capsize screening value of 0.96. The ballast ratios are 45.8% for the 1984 J/29 and 36.2% for the 1974 O'Day 23, reflecting their respective approaches to stability.

Below deck, the 1984 J/29 provides 5 berths in 1 cabin with 38L of water capacity and 38L of fuel. The 1974 O'Day 23 offers 4 berths in 1 cabin with 15L water and 11L fuel capacity.

Verdict

For cruising: The 1984 J/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 1984 J/29 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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