2016 Dehler 30 OD vs 1984 O'Day 30 — Comparison

2016 Dehler 30 OD
VS
1984 O'Day 30

Specifications Side by Side

Specification2016 Dehler 30 OD1984 O'Day 30
General
ManufacturerDehlerO'Day
Year20161984–1989
TypeSloopSloop
CountryGermanyUSA
DesignerJudel/VrolijkC. Raymond Hunt
Dimensions
LOA9.45 m (31.0 ft)9.14 m (30.0 ft)
LWL8.60 m (28.2 ft)7.62 m (25.0 ft)
Beam2.98 m (9.8 ft)3.05 m (10.0 ft)
Draft1.95 m (6.4 ft)1.52 m (5.0 ft)
Weight
Displacement3,700 kg (8,157 lbs)3,629 kg (8,001 lbs)
Ballast1,350 kg (2,976 lbs)1,452 kg (3,201 lbs)
Sailing
Sail Area46.0 m² (495 ft²)36.0 m² (388 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine15 HP13 HP
Fuel Capacity35 L (9.2 gal)57 L (15.1 gal)
Water Capacity60 L (15.9 gal)76 L (20.1 gal)
Accommodation
Berths46
Cabins12

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2016 Dehler 30 OD
19.54
1984 O'Day 30
15.49
Ballast Ratio (Higher = more stability)
2016 Dehler 30 OD
36.49
1984 O'Day 30
40.01
Capsize Ratio (Lower = safer offshore)
2016 Dehler 30 OD
0.77
1984 O'Day 30
0.79
Comfort Ratio (Higher = gentler motion)
2016 Dehler 30 OD
16.93
1984 O'Day 30
19.36

Detailed Comparison

The 2016 Dehler 30 OD and 1984 O'Day 30 represent two takes on sloop-rigged sailing. The 2016 Dehler 30 OD is a modern design by Dehler from Germany, while the 1984 O'Day 30 is a 1980s offering from O'Day from USA. The 2016 Dehler 30 OD was penned by Judel/Vrolijk. The 1984 O'Day 30 was designed by C. Raymond Hunt.

In terms of size, the 2016 Dehler 30 OD measures 9.45m (31.0ft) overall with a beam of 2.98m, compared to the 1984 O'Day 30 at 9.14m (30.0ft) with a 3.05m beam. The 2016 Dehler 30 OD is 0.31m longer than the 1984 O'Day 30. The 2016 Dehler 30 OD displaces approximately 2% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2016 Dehler 30 OD has good sail power for versatile performance with an SA/D ratio of 19.54 and 46.0 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 2016 Dehler 30 OD has the edge in terms of raw sailing performance.

For comfort and safety, the 2016 Dehler 30 OD offers a firm, racing-oriented motion (comfort ratio: 16.9) 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 36.5% for the 2016 Dehler 30 OD and 40.0% for the 1984 O'Day 30, reflecting their respective approaches to stability.

Below deck, the 2016 Dehler 30 OD provides 4 berths in 1 cabin with 60L of water capacity and 35L 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 2016 Dehler 30 OD 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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Or view individual specs: 2016 Dehler 30 OD · 1984 O'Day 30