1987 Beneteau First 345 vs 1983 Pearson 31 — Comparison

1987 Beneteau First 345
VS
1983 Pearson 311983 Pearson 31

Specifications Side by Side

Specification1987 Beneteau First 3451983 Pearson 31
General
ManufacturerBeneteauPearson
Year1987–19921983–1990
TypeSloopSloop
CountryFranceUSA
DesignerJean BerretWilliam Shaw
Dimensions
LOA10.45 m (34.3 ft)9.45 m (31.0 ft)
LWL8.53 m (28.0 ft)7.77 m (25.5 ft)
Beam3.40 m (11.2 ft)3.10 m (10.2 ft)
Draft1.80 m (5.9 ft)1.52 m (5.0 ft)
Weight
Displacement5,443 kg (12,000 lbs)4,309 kg (9,500 lbs)
Ballast2,177 kg (4,799 lbs)1,814 kg (3,999 lbs)
Sailing
Sail Area53.0 m² (571 ft²)40.0 m² (431 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine18 HP18 HP
Fuel Capacity80 L (21.1 gal)68 L (18.0 gal)
Water Capacity150 L (39.6 gal)114 L (30.1 gal)
Accommodation
Berths76
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1987 Beneteau First 345
17.40
1983 Pearson 31
15.35
Ballast Ratio (Higher = more stability)
1987 Beneteau First 345
40.00
1983 Pearson 31
42.10
Capsize Ratio (Lower = safer offshore)
1987 Beneteau First 345
0.77
1983 Pearson 31
0.76
Comfort Ratio (Higher = gentler motion)
1987 Beneteau First 345
19.76
1983 Pearson 31
21.43

Detailed Comparison

The 1987 Beneteau First 345 and 1983 Pearson 31 represent two takes on sloop-rigged sailing. The 1987 Beneteau First 345 is a 1980s design by Beneteau from France, while the 1983 Pearson 31 is a 1980s offering from Pearson from USA. The 1987 Beneteau First 345 was penned by Jean Berret. The 1983 Pearson 31 was designed by William Shaw.

In terms of size, the 1987 Beneteau First 345 measures 10.45m (34.3ft) overall with a beam of 3.40m, compared to the 1983 Pearson 31 at 9.45m (31.0ft) with a 3.10m beam. The 1987 Beneteau First 345 is 1.00m longer than the 1983 Pearson 31. The 1987 Beneteau First 345 displaces approximately 26% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1987 Beneteau First 345 has good sail power for versatile performance with an SA/D ratio of 17.40 and 53.0 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 1987 Beneteau First 345 has the edge in terms of raw sailing performance.

For comfort and safety, the 1987 Beneteau First 345 offers a firm, racing-oriented motion (comfort ratio: 19.8) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1983 Pearson 31 has a comfort ratio of 21.4 and a capsize screening value of 0.76. The ballast ratios are 40.0% for the 1987 Beneteau First 345 and 42.1% for the 1983 Pearson 31, reflecting their respective approaches to stability.

Below deck, the 1987 Beneteau First 345 provides 7 berths in 2 cabins with 150L of water capacity and 80L of fuel. 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 1987 Beneteau First 345 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1987 Beneteau First 345 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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