1973 Islander 37 vs 1975 Pearson 28 — Comparison

1973 Islander 371973 Islander 37
VS
1975 Pearson 281975 Pearson 28

Specifications Side by Side

Specification1973 Islander 371975 Pearson 28
General
ManufacturerIslanderPearson
Year1973–19781975–1982
TypeSloopSloop
CountryUSAUSA
DesignerAlan GurneyWilliam Shaw
Dimensions
LOA11.28 m (37.0 ft)8.53 m (28.0 ft)
LWL8.69 m (28.5 ft)7.01 m (23.0 ft)
Beam3.28 m (10.8 ft)2.74 m (9.0 ft)
Draft1.68 m (5.5 ft)1.37 m (4.5 ft)
Weight
Displacement6,577 kg (14,500 lbs)2,948 kg (6,499 lbs)
Ballast2,722 kg (6,001 lbs)1,270 kg (2,800 lbs)
Sailing
Sail Area54.5 m² (587 ft²)30.0 m² (323 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine22 HP10 HP
Fuel Capacity76 L (20.1 gal)38 L (10.0 gal)
Water Capacity114 L (30.1 gal)57 L (15.1 gal)
Accommodation
Berths65
Cabins21

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1973 Islander 37
15.77
1975 Pearson 28
14.83
Ballast Ratio (Higher = more stability)
1973 Islander 37
41.39
1975 Pearson 28
43.08
Capsize Ratio (Lower = safer offshore)
1973 Islander 37
0.70
1975 Pearson 28
0.77
Comfort Ratio (Higher = gentler motion)
1973 Islander 37
23.18
1975 Pearson 28
21.23

Detailed Comparison

The 1973 Islander 37 and 1975 Pearson 28 represent two takes on sloop-rigged sailing. The 1973 Islander 37 is a 1970s design by Islander from USA, while the 1975 Pearson 28 is a 1970s offering from Pearson from USA. The 1973 Islander 37 was penned by Alan Gurney. The 1975 Pearson 28 was designed by William Shaw.

In terms of size, the 1973 Islander 37 measures 11.28m (37.0ft) overall with a beam of 3.28m, compared to the 1975 Pearson 28 at 8.53m (28.0ft) with a 2.74m beam. The 1973 Islander 37 is 2.75m longer than the 1975 Pearson 28. The 1973 Islander 37 displaces approximately 123% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1973 Islander 37 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.77 and 54.5 m² of sail area. The 1975 Pearson 28, with an SA/D of 14.83 and 30.0 m² of canvas, offers modest sail power for its displacement. The 1973 Islander 37 has the edge in terms of raw sailing performance.

For comfort and safety, the 1973 Islander 37 offers a moderate motion comfort level (comfort ratio: 23.2) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.70). The 1975 Pearson 28 has a comfort ratio of 21.2 and a capsize screening value of 0.77. The ballast ratios are 41.4% for the 1973 Islander 37 and 43.1% for the 1975 Pearson 28, reflecting their respective approaches to stability.

Below deck, the 1973 Islander 37 provides 6 berths in 2 cabins with 114L of water capacity and 76L of fuel. The 1975 Pearson 28 offers 5 berths in 1 cabin with 57L water and 38L fuel capacity.

Verdict

For cruising: The 1973 Islander 37 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 1973 Islander 37 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1973 Islander 37 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: 1973 Islander 37 · 1975 Pearson 28