1966 Islander 33 vs 1990 Westerly Oceanquest — Comparison

1966 Islander 331966 Islander 33
VS
1990 Westerly Oceanquest

Specifications Side by Side

Specification1966 Islander 331990 Westerly Oceanquest
General
ManufacturerIslanderWesterly
Year1966–19741990–1996
TypeSloopSloop
CountryUSAUK
DesignerJoseph McGlassonEd Dubois
Dimensions
LOA10.06 m (33.0 ft)10.67 m (35.0 ft)
LWL7.62 m (25.0 ft)8.84 m (29.0 ft)
Beam2.97 m (9.7 ft)3.40 m (11.2 ft)
Draft1.52 m (5.0 ft)1.07 m (3.5 ft)
Weight
Displacement4,536 kg (10,000 lbs)5,897 kg (13,001 lbs)
Ballast1,814 kg (3,999 lbs)2,268 kg (5,000 lbs)
Sailing
Sail Area42.0 m² (452 ft²)46.0 m² (495 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinBilge
Engine & Tanks
Engine15 HP23 HP
Fuel Capacity57 L (15.1 gal)100 L (26.4 gal)
Water Capacity76 L (20.1 gal)200 L (52.8 gal)
Accommodation
Berths67
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1966 Islander 33
15.57
1990 Westerly Oceanquest
14.32
Ballast Ratio (Higher = more stability)
1966 Islander 33
39.99
1990 Westerly Oceanquest
38.46
Capsize Ratio (Lower = safer offshore)
1966 Islander 33
0.72
1990 Westerly Oceanquest
0.75
Comfort Ratio (Higher = gentler motion)
1966 Islander 33
23.44
1990 Westerly Oceanquest
20.14

Detailed Comparison

The 1966 Islander 33 and 1990 Westerly Oceanquest represent two takes on sloop-rigged sailing. The 1966 Islander 33 is a classic design by Islander from USA, while the 1990 Westerly Oceanquest is a 1990s offering from Westerly from UK. The 1966 Islander 33 was penned by Joseph McGlasson. The 1990 Westerly Oceanquest was designed by Ed Dubois.

In terms of size, the 1966 Islander 33 measures 10.06m (33.0ft) overall with a beam of 2.97m, compared to the 1990 Westerly Oceanquest at 10.67m (35.0ft) with a 3.40m beam. The 1990 Westerly Oceanquest is 0.61m longer than the 1966 Islander 33. The 1990 Westerly Oceanquest displaces approximately 30% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1966 Islander 33 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.57 and 42.0 m² of sail area. The 1990 Westerly Oceanquest, with an SA/D of 14.32 and 46.0 m² of canvas, offers modest sail power for its displacement. The 1966 Islander 33 has the edge in terms of raw sailing performance.

For comfort and safety, the 1966 Islander 33 offers a moderate motion comfort level (comfort ratio: 23.4) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.72). The 1990 Westerly Oceanquest has a comfort ratio of 20.1 and a capsize screening value of 0.75. The ballast ratios are 40.0% for the 1966 Islander 33 and 38.5% for the 1990 Westerly Oceanquest, reflecting their respective approaches to stability.

Below deck, the 1966 Islander 33 provides 6 berths in 2 cabins with 76L of water capacity and 57L of fuel. The 1990 Westerly Oceanquest offers 7 berths in 2 cabins with 200L water and 100L fuel capacity.

Verdict

For cruising: The 1966 Islander 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 1966 Islander 33 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1990 Westerly Oceanquest 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: 1966 Islander 33 · 1990 Westerly Oceanquest