1993 Moody 31 vs 1983 Pearson 31 — Comparison

1993 Moody 311993 Moody 31
VS
1983 Pearson 311983 Pearson 31

Specifications Side by Side

Specification1993 Moody 311983 Pearson 31
General
ManufacturerMoodyPearson
Year1993–20001983–1990
TypeSloopSloop
CountryUKUSA
DesignerBill DixonWilliam Shaw
Dimensions
LOA9.45 m (31.0 ft)9.45 m (31.0 ft)
LWL7.80 m (25.6 ft)7.77 m (25.5 ft)
Beam3.13 m (10.3 ft)3.10 m (10.2 ft)
Draft1.52 m (5.0 ft)1.52 m (5.0 ft)
Weight
Displacement4,500 kg (9,921 lbs)4,309 kg (9,500 lbs)
Ballast1,800 kg (3,968 lbs)1,814 kg (3,999 lbs)
Sailing
Sail Area40.5 m² (436 ft²)40.0 m² (431 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeBilgeFin
Engine & Tanks
Engine18 HP18 HP
Fuel Capacity68 L (18.0 gal)68 L (18.0 gal)
Water Capacity114 L (30.1 gal)114 L (30.1 gal)
Accommodation
Berths66
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1993 Moody 31
15.10
1983 Pearson 31
15.35
Ballast Ratio (Higher = more stability)
1993 Moody 31
40.00
1983 Pearson 31
42.10
Capsize Ratio (Lower = safer offshore)
1993 Moody 31
0.76
1983 Pearson 31
0.76
Comfort Ratio (Higher = gentler motion)
1993 Moody 31
21.98
1983 Pearson 31
21.43

Detailed Comparison

The 1993 Moody 31 and 1983 Pearson 31 represent two takes on sloop-rigged sailing. The 1993 Moody 31 is a 1990s design by Moody from UK, while the 1983 Pearson 31 is a 1980s offering from Pearson from USA. The 1993 Moody 31 was penned by Bill Dixon. The 1983 Pearson 31 was designed by William Shaw.

In terms of size, the 1993 Moody 31 measures 9.45m (31.0ft) overall with a beam of 3.13m, compared to the 1983 Pearson 31 at 9.45m (31.0ft) with a 3.10m beam. The 1993 Moody 31 displaces approximately 4% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1993 Moody 31 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.10 and 40.5 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 1983 Pearson 31 has the edge in terms of raw sailing performance.

For comfort and safety, the 1993 Moody 31 offers a moderate motion comfort level (comfort ratio: 22.0) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.76). 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 1993 Moody 31 and 42.1% for the 1983 Pearson 31, reflecting their respective approaches to stability.

Below deck, the 1993 Moody 31 provides 6 berths in 2 cabins with 114L of water capacity and 68L of fuel. The 1983 Pearson 31 offers 6 berths in 2 cabins with 114L water and 68L fuel capacity.

Verdict

For cruising: The 1993 Moody 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 1983 Pearson 31 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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