1993 Moody 31 vs 1978 Cape Dory 270 — Comparison

1993 Moody 311993 Moody 31
VS
1978 Cape Dory 270

Specifications Side by Side

Specification1993 Moody 311978 Cape Dory 270
General
ManufacturerMoodyCape Dory
Year1993–20001978–1985
TypeSloopSloop
CountryUKUSA
DesignerBill DixonCarl Alberg
Dimensions
LOA9.45 m (31.0 ft)8.23 m (27.0 ft)
LWL7.80 m (25.6 ft)6.40 m (21.0 ft)
Beam3.13 m (10.3 ft)2.59 m (8.5 ft)
Draft1.52 m (5.0 ft)1.14 m (3.7 ft)
Weight
Displacement4,500 kg (9,921 lbs)2,722 kg (6,001 lbs)
Ballast1,800 kg (3,968 lbs)1,134 kg (2,500 lbs)
Sailing
Sail Area40.5 m² (436 ft²)28.0 m² (301 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeBilgeFull
Engine & Tanks
Engine18 HP12 HP
Fuel Capacity68 L (18.0 gal)38 L (10.0 gal)
Water Capacity114 L (30.1 gal)68 L (18.0 gal)
Accommodation
Berths64
Cabins21

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1993 Moody 31
15.10
1978 Cape Dory 270
14.60
Ballast Ratio (Higher = more stability)
1993 Moody 31
40.00
1978 Cape Dory 270
41.66
Capsize Ratio (Lower = safer offshore)
1993 Moody 31
0.76
1978 Cape Dory 270
0.74
Comfort Ratio (Higher = gentler motion)
1993 Moody 31
21.98
1978 Cape Dory 270
24.39

Detailed Comparison

The 1993 Moody 31 and 1978 Cape Dory 270 represent two takes on sloop-rigged sailing. The 1993 Moody 31 is a 1990s design by Moody from UK, while the 1978 Cape Dory 270 is a 1970s offering from Cape Dory from USA. The 1993 Moody 31 was penned by Bill Dixon. The 1978 Cape Dory 270 was designed by Carl Alberg.

In terms of size, the 1993 Moody 31 measures 9.45m (31.0ft) overall with a beam of 3.13m, compared to the 1978 Cape Dory 270 at 8.23m (27.0ft) with a 2.59m beam. The 1993 Moody 31 is 1.22m longer than the 1978 Cape Dory 270. The 1993 Moody 31 displaces approximately 65% 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 1978 Cape Dory 270, with an SA/D of 14.60 and 28.0 m² of canvas, offers modest sail power for its displacement. The 1993 Moody 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 1978 Cape Dory 270 has a comfort ratio of 24.4 and a capsize screening value of 0.74. The ballast ratios are 40.0% for the 1993 Moody 31 and 41.7% for the 1978 Cape Dory 270, 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 1978 Cape Dory 270 offers 4 berths in 1 cabin with 68L water and 38L fuel capacity.

Verdict

For cruising: The 1978 Cape Dory 270 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 1993 Moody 31 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1993 Moody 31 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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