1984 O'Day 30 vs 1974 Morgan 33 — Comparison

1984 O'Day 30
VS
1974 Morgan 331974 Morgan 33

Specifications Side by Side

Specification1984 O'Day 301974 Morgan 33
General
ManufacturerO'DayMorgan
Year1984–19891974–1980
TypeSloopSloop
CountryUSAUSA
DesignerC. Raymond HuntCharlie Morgan
Dimensions
LOA9.14 m (30.0 ft)10.06 m (33.0 ft)
LWL7.62 m (25.0 ft)8.23 m (27.0 ft)
Beam3.05 m (10.0 ft)3.20 m (10.5 ft)
Draft1.52 m (5.0 ft)1.37 m (4.5 ft)
Weight
Displacement3,629 kg (8,001 lbs)5,216 kg (11,499 lbs)
Ballast1,452 kg (3,201 lbs)2,041 kg (4,500 lbs)
Sailing
Sail Area36.0 m² (388 ft²)42.0 m² (452 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine13 HP18 HP
Fuel Capacity57 L (15.1 gal)76 L (20.1 gal)
Water Capacity76 L (20.1 gal)114 L (30.1 gal)
Accommodation
Berths66
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1984 O'Day 30
15.49
1974 Morgan 33
14.19
Ballast Ratio (Higher = more stability)
1984 O'Day 30
40.01
1974 Morgan 33
39.13
Capsize Ratio (Lower = safer offshore)
1984 O'Day 30
0.79
1974 Morgan 33
0.74
Comfort Ratio (Higher = gentler motion)
1984 O'Day 30
19.36
1974 Morgan 33
22.09

Detailed Comparison

The 1984 O'Day 30 and 1974 Morgan 33 represent two takes on sloop-rigged sailing. The 1984 O'Day 30 is a 1980s design by O'Day from USA, while the 1974 Morgan 33 is a 1970s offering from Morgan from USA. The 1984 O'Day 30 was penned by C. Raymond Hunt. The 1974 Morgan 33 was designed by Charlie Morgan.

In terms of size, the 1984 O'Day 30 measures 9.14m (30.0ft) overall with a beam of 3.05m, compared to the 1974 Morgan 33 at 10.06m (33.0ft) with a 3.20m beam. The 1974 Morgan 33 is 0.92m longer than the 1984 O'Day 30. The 1974 Morgan 33 displaces approximately 44% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1984 O'Day 30 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.49 and 36.0 m² of sail area. The 1974 Morgan 33, with an SA/D of 14.19 and 42.0 m² of canvas, offers modest sail power for its displacement. The 1984 O'Day 30 has the edge in terms of raw sailing performance.

For comfort and safety, the 1984 O'Day 30 offers a firm, racing-oriented motion (comfort ratio: 19.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.79). The 1974 Morgan 33 has a comfort ratio of 22.1 and a capsize screening value of 0.74. The ballast ratios are 40.0% for the 1984 O'Day 30 and 39.1% for the 1974 Morgan 33, reflecting their respective approaches to stability.

Below deck, the 1984 O'Day 30 provides 6 berths in 2 cabins with 76L of water capacity and 57L of fuel. The 1974 Morgan 33 offers 6 berths in 2 cabins with 114L water and 76L fuel capacity.

Verdict

For cruising: The 1974 Morgan 33 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 1984 O'Day 30 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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