1991 Najad 373 vs 1983 Pearson 31 — Comparison

1991 Najad 373
VS
1983 Pearson 311983 Pearson 31

Specifications Side by Side

Specification1991 Najad 3731983 Pearson 31
General
ManufacturerNajadPearson
Year1991–20021983–1990
TypeSloopSloop
CountrySwedenUSA
DesignerJudel/VrolijkWilliam Shaw
Dimensions
LOA11.28 m (37.0 ft)9.45 m (31.0 ft)
LWL8.99 m (29.5 ft)7.77 m (25.5 ft)
Beam3.47 m (11.4 ft)3.10 m (10.2 ft)
Draft1.80 m (5.9 ft)1.52 m (5.0 ft)
Weight
Displacement7,711 kg (17,000 lbs)4,309 kg (9,500 lbs)
Ballast3,175 kg (7,000 lbs)1,814 kg (3,999 lbs)
Sailing
Sail Area60.8 m² (654 ft²)40.0 m² (431 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine35 HP18 HP
Fuel Capacity150 L (39.6 gal)68 L (18.0 gal)
Water Capacity250 L (66.0 gal)114 L (30.1 gal)
Accommodation
Berths66
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1991 Najad 373
15.83
1983 Pearson 31
15.35
Ballast Ratio (Higher = more stability)
1991 Najad 373
41.17
1983 Pearson 31
42.10
Capsize Ratio (Lower = safer offshore)
1991 Najad 373
0.70
1983 Pearson 31
0.76
Comfort Ratio (Higher = gentler motion)
1991 Najad 373
24.12
1983 Pearson 31
21.43

Detailed Comparison

The 1991 Najad 373 and 1983 Pearson 31 represent two takes on sloop-rigged sailing. The 1991 Najad 373 is a 1990s design by Najad from Sweden, while the 1983 Pearson 31 is a 1980s offering from Pearson from USA. The 1991 Najad 373 was penned by Judel/Vrolijk. The 1983 Pearson 31 was designed by William Shaw.

In terms of size, the 1991 Najad 373 measures 11.28m (37.0ft) overall with a beam of 3.47m, compared to the 1983 Pearson 31 at 9.45m (31.0ft) with a 3.10m beam. The 1991 Najad 373 is 1.83m longer than the 1983 Pearson 31. The 1991 Najad 373 displaces approximately 79% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1991 Najad 373 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.83 and 60.8 m² of sail area. The 1983 Pearson 31, with an SA/D of 15.35 and 40.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1991 Najad 373 has the edge in terms of raw sailing performance.

For comfort and safety, the 1991 Najad 373 offers a moderate motion comfort level (comfort ratio: 24.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.70). The 1983 Pearson 31 has a comfort ratio of 21.4 and a capsize screening value of 0.76. The ballast ratios are 41.2% for the 1991 Najad 373 and 42.1% for the 1983 Pearson 31, reflecting their respective approaches to stability.

Below deck, the 1991 Najad 373 provides 6 berths in 2 cabins with 250L of water capacity and 150L of fuel. The 1983 Pearson 31 offers 6 berths in 2 cabins with 114L water and 68L fuel capacity.

Verdict

For cruising: The 1991 Najad 373 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 1991 Najad 373 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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Or view individual specs: 1991 Najad 373 · 1983 Pearson 31