1988 Moody 36 vs 1979 Cal 39 — Comparison

1988 Moody 361988 Moody 36
VS
1979 Cal 391979 Cal 39

Specifications Side by Side

Specification1988 Moody 361979 Cal 39
General
ManufacturerMoodyCal
Year1988–19931979–1985
TypeSloopSloop
CountryUKUSA
DesignerBill DixonBill Lapworth / C. Raymond Hunt
Dimensions
LOA10.97 m (36.0 ft)11.89 m (39.0 ft)
LWL9.14 m (30.0 ft)9.60 m (31.5 ft)
Beam3.51 m (11.5 ft)3.66 m (12.0 ft)
Draft1.52 m (5.0 ft)1.83 m (6.0 ft)
Weight
Displacement6,800 kg (14,991 lbs)8,165 kg (18,001 lbs)
Ballast2,700 kg (5,952 lbs)3,402 kg (7,500 lbs)
Sailing
Sail Area54.0 m² (581 ft²)63.0 m² (678 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine28 HP30 HP
Fuel Capacity120 L (31.7 gal)114 L (30.1 gal)
Water Capacity200 L (52.8 gal)200 L (52.8 gal)
Accommodation
Berths77
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1988 Moody 36
15.29
1979 Cal 39
15.78
Ballast Ratio (Higher = more stability)
1988 Moody 36
39.71
1979 Cal 39
41.67
Capsize Ratio (Lower = safer offshore)
1988 Moody 36
0.74
1979 Cal 39
0.73
Comfort Ratio (Higher = gentler motion)
1988 Moody 36
20.90
1979 Cal 39
21.05

Detailed Comparison

The 1988 Moody 36 and 1979 Cal 39 represent two takes on sloop-rigged sailing. The 1988 Moody 36 is a 1980s design by Moody from UK, while the 1979 Cal 39 is a 1970s offering from Cal from USA. The 1988 Moody 36 was penned by Bill Dixon. The 1979 Cal 39 was designed by Bill Lapworth / C. Raymond Hunt.

In terms of size, the 1988 Moody 36 measures 10.97m (36.0ft) overall with a beam of 3.51m, compared to the 1979 Cal 39 at 11.89m (39.0ft) with a 3.66m beam. The 1979 Cal 39 is 0.92m longer than the 1988 Moody 36. The 1979 Cal 39 displaces approximately 20% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1988 Moody 36 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.29 and 54.0 m² of sail area. The 1979 Cal 39, with an SA/D of 15.78 and 63.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1979 Cal 39 has the edge in terms of raw sailing performance.

For comfort and safety, the 1988 Moody 36 offers a moderate motion comfort level (comfort ratio: 20.9) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.74). The 1979 Cal 39 has a comfort ratio of 21.1 and a capsize screening value of 0.73. The ballast ratios are 39.7% for the 1988 Moody 36 and 41.7% for the 1979 Cal 39, reflecting their respective approaches to stability.

Below deck, the 1988 Moody 36 provides 7 berths in 2 cabins with 200L of water capacity and 120L of fuel. The 1979 Cal 39 offers 7 berths in 2 cabins with 200L water and 114L fuel capacity.

Verdict

For cruising: The 1979 Cal 39 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 1979 Cal 39 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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