1995 J/80 vs 1983 Pearson 31 — Comparison

1995 J/80 1995 J/80
VS
1983 Pearson 31 1983 Pearson 31

Specifications Side by Side

Specification 1995 J/80 1983 Pearson 31
General
Manufacturer J/Boats Pearson
Year 1995 1983–1990
Type Sloop Sloop
Country USA USA
Designer Rod Johnstone William Shaw
Dimensions
LOA 8.00 m (26.2 ft) 9.45 m (31.0 ft)
LWL 7.01 m (23.0 ft) 7.77 m (25.5 ft)
Beam 2.50 m (8.2 ft) 3.10 m (10.2 ft)
Draft 1.49 m (4.9 ft) 1.52 m (5.0 ft)
Weight
Displacement 1,360 kg (2,998 lbs) 4,309 kg (9,500 lbs)
Ballast 499 kg (1,100 lbs) 1,814 kg (3,999 lbs)
Sailing
Sail Area 32.0 m² (344 ft²) 40.0 m² (431 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Fin Fin
Engine & Tanks
Engine 18 HP
Fuel Capacity 68 L (18.0 gal)
Water Capacity 114 L (30.1 gal)
Accommodation
Berths 2 6
Cabins 2

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1995 J/80
26.50
1983 Pearson 31
15.35
Ballast Ratio (Higher = more stability)
1995 J/80
36.69
1983 Pearson 31
42.10
Capsize Ratio (Lower = safer offshore)
1995 J/80
0.90
1983 Pearson 31
0.76
Comfort Ratio (Higher = gentler motion)
1995 J/80
11.55
1983 Pearson 31
21.43

Detailed Comparison

The 1995 J/80 and 1983 Pearson 31 represent two takes on sloop-rigged sailing. The 1995 J/80 is a 1990s design by J/Boats from USA, while the 1983 Pearson 31 is a 1980s offering from Pearson from USA. The 1995 J/80 was penned by Rod Johnstone. The 1983 Pearson 31 was designed by William Shaw.

In terms of size, the 1995 J/80 measures 8.00m (26.2ft) overall with a beam of 2.50m, compared to the 1983 Pearson 31 at 9.45m (31.0ft) with a 3.10m beam. The 1983 Pearson 31 is 1.45m longer than the 1995 J/80. The 1983 Pearson 31 displaces approximately 217% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1995 J/80 has generous sail power for spirited sailing with an SA/D ratio of 26.50 and 32.0 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 1995 J/80 has the edge in terms of raw sailing performance.

For comfort and safety, the 1995 J/80 offers a firm, racing-oriented motion (comfort ratio: 11.6) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.90). The 1983 Pearson 31 has a comfort ratio of 21.4 and a capsize screening value of 0.76. The ballast ratios are 36.7% for the 1995 J/80 and 42.1% for the 1983 Pearson 31, reflecting their respective approaches to stability.

Below deck, the 1995 J/80 provides 2 berths with unspecified water tankage and unspecified fuel capacity. The 1983 Pearson 31 offers 6 berths in 2 cabins with 114L water and 68L fuel capacity.

Verdict

For cruising: The 1983 Pearson 31 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 1995 J/80 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1983 Pearson 31 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.

Compare Different Boats

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