1979 Westerly Fulmar vs 1974 O'Day 23 — Comparison

1979 Westerly Fulmar1979 Westerly Fulmar
VS
1974 O'Day 231974 O'Day 23

Specifications Side by Side

Specification1979 Westerly Fulmar1974 O'Day 23
General
ManufacturerWesterlyO'Day
Year1979–19861974–1983
TypeSloopSloop
CountryUKUSA
DesignerEd DuboisC. Raymond Hunt
Dimensions
LOA9.75 m (32.0 ft)6.93 m (22.7 ft)
LWL8.00 m (26.2 ft)5.79 m (19.0 ft)
Beam3.20 m (10.5 ft)2.24 m (7.3 ft)
Draft1.07 m (3.5 ft)1.02 m (3.3 ft)
Weight
Displacement4,990 kg (11,001 lbs)816 kg (1,799 lbs)
Ballast1,814 kg (3,999 lbs)295 kg (650 lbs)
Sailing
Sail Area36.0 m² (388 ft²)17.5 m² (188 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeBilgeFin
Engine & Tanks
Engine18 HP5 HP
Fuel Capacity68 L (18.0 gal)11 L (2.9 gal)
Water Capacity136 L (35.9 gal)15 L (4.0 gal)
Accommodation
Berths64
Cabins21

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1979 Westerly Fulmar
12.53
1974 O'Day 23
20.38
Ballast Ratio (Higher = more stability)
1979 Westerly Fulmar
36.35
1974 O'Day 23
36.15
Capsize Ratio (Lower = safer offshore)
1979 Westerly Fulmar
0.75
1974 O'Day 23
0.96
Comfort Ratio (Higher = gentler motion)
1979 Westerly Fulmar
22.41
1974 O'Day 23
11.39

Detailed Comparison

The 1979 Westerly Fulmar and 1974 O'Day 23 represent two takes on sloop-rigged sailing. The 1979 Westerly Fulmar is a 1970s design by Westerly from UK, while the 1974 O'Day 23 is a 1970s offering from O'Day from USA. The 1979 Westerly Fulmar was penned by Ed Dubois. The 1974 O'Day 23 was designed by C. Raymond Hunt.

In terms of size, the 1979 Westerly Fulmar measures 9.75m (32.0ft) overall with a beam of 3.20m, compared to the 1974 O'Day 23 at 6.93m (22.7ft) with a 2.24m beam. The 1979 Westerly Fulmar is 2.82m longer than the 1974 O'Day 23. The 1979 Westerly Fulmar displaces approximately 512% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1979 Westerly Fulmar has modest sail power for its displacement with an SA/D ratio of 12.53 and 36.0 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 1979 Westerly Fulmar offers a moderate motion comfort level (comfort ratio: 22.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.75). The 1974 O'Day 23 has a comfort ratio of 11.4 and a capsize screening value of 0.96. The ballast ratios are 36.4% for the 1979 Westerly Fulmar and 36.2% for the 1974 O'Day 23, reflecting their respective approaches to stability.

Below deck, the 1979 Westerly Fulmar provides 6 berths in 2 cabins with 136L of water capacity and 68L of fuel. The 1974 O'Day 23 offers 4 berths in 1 cabin with 15L water and 11L fuel capacity.

Verdict

For cruising: The 1979 Westerly Fulmar 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 1979 Westerly Fulmar 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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