1984 Moody 33 vs 1984 O'Day 30 — Comparison

1984 Moody 331984 Moody 33
VS
1984 O'Day 30

Specifications Side by Side

Specification1984 Moody 331984 O'Day 30
General
ManufacturerMoodyO'Day
Year1984–19901984–1989
TypeSloopSloop
CountryUKUSA
DesignerBill DixonC. Raymond Hunt
Dimensions
LOA10.06 m (33.0 ft)9.14 m (30.0 ft)
LWL8.23 m (27.0 ft)7.62 m (25.0 ft)
Beam3.25 m (10.7 ft)3.05 m (10.0 ft)
Draft1.40 m (4.6 ft)1.52 m (5.0 ft)
Weight
Displacement5,200 kg (11,464 lbs)3,629 kg (8,001 lbs)
Ballast2,100 kg (4,630 lbs)1,452 kg (3,201 lbs)
Sailing
Sail Area44.0 m² (474 ft²)36.0 m² (388 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine20 HP13 HP
Fuel Capacity80 L (21.1 gal)57 L (15.1 gal)
Water Capacity140 L (37.0 gal)76 L (20.1 gal)
Accommodation
Berths66
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1984 Moody 33
14.90
1984 O'Day 30
15.49
Ballast Ratio (Higher = more stability)
1984 Moody 33
40.38
1984 O'Day 30
40.01
Capsize Ratio (Lower = safer offshore)
1984 Moody 33
0.75
1984 O'Day 30
0.79
Comfort Ratio (Higher = gentler motion)
1984 Moody 33
21.57
1984 O'Day 30
19.36

Detailed Comparison

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

In terms of size, the 1984 Moody 33 measures 10.06m (33.0ft) overall with a beam of 3.25m, compared to the 1984 O'Day 30 at 9.14m (30.0ft) with a 3.05m beam. The 1984 Moody 33 is 0.92m longer than the 1984 O'Day 30. The 1984 Moody 33 displaces approximately 43% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1984 Moody 33 has modest sail power for its displacement with an SA/D ratio of 14.90 and 44.0 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 1984 O'Day 30 has the edge in terms of raw sailing performance.

For comfort and safety, the 1984 Moody 33 offers a moderate motion comfort level (comfort ratio: 21.6) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.75). The 1984 O'Day 30 has a comfort ratio of 19.4 and a capsize screening value of 0.79. The ballast ratios are 40.4% for the 1984 Moody 33 and 40.0% for the 1984 O'Day 30, reflecting their respective approaches to stability.

Below deck, the 1984 Moody 33 provides 6 berths in 2 cabins with 140L of water capacity and 80L 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 Moody 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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