1988 Pacific Seacraft 31 vs 1977 Cal 33 — Comparison

1988 Pacific Seacraft 31
VS
1977 Cal 33

Specifications Side by Side

Specification1988 Pacific Seacraft 311977 Cal 33
General
ManufacturerPacific SeacraftCal
Year1988–20071977–1982
TypeSloopSloop
CountryUSAUSA
DesignerWilliam CrealockBill Lapworth / C. Raymond Hunt
Dimensions
LOA9.45 m (31.0 ft)10.06 m (33.0 ft)
LWL7.62 m (25.0 ft)8.08 m (26.5 ft)
Beam3.05 m (10.0 ft)3.20 m (10.5 ft)
Draft1.37 m (4.5 ft)1.60 m (5.2 ft)
Weight
Displacement4,990 kg (11,001 lbs)5,216 kg (11,499 lbs)
Ballast2,177 kg (4,799 lbs)2,177 kg (4,799 lbs)
Sailing
Sail Area40.5 m² (436 ft²)43.0 m² (463 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFullFin
Engine & Tanks
Engine25 HP18 HP
Fuel Capacity76 L (20.1 gal)68 L (18.0 gal)
Water Capacity151 L (39.9 gal)114 L (30.1 gal)
Accommodation
Berths56
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1988 Pacific Seacraft 31
14.09
1977 Cal 33
14.53
Ballast Ratio (Higher = more stability)
1988 Pacific Seacraft 31
43.63
1977 Cal 33
41.74
Capsize Ratio (Lower = safer offshore)
1988 Pacific Seacraft 31
0.71
1977 Cal 33
0.74
Comfort Ratio (Higher = gentler motion)
1988 Pacific Seacraft 31
26.02
1977 Cal 33
22.63

Detailed Comparison

The 1988 Pacific Seacraft 31 and 1977 Cal 33 represent two takes on sloop-rigged sailing. The 1988 Pacific Seacraft 31 is a 1980s design by Pacific Seacraft from USA, while the 1977 Cal 33 is a 1970s offering from Cal from USA. The 1988 Pacific Seacraft 31 was penned by William Crealock. The 1977 Cal 33 was designed by Bill Lapworth / C. Raymond Hunt.

In terms of size, the 1988 Pacific Seacraft 31 measures 9.45m (31.0ft) overall with a beam of 3.05m, compared to the 1977 Cal 33 at 10.06m (33.0ft) with a 3.20m beam. The 1977 Cal 33 is 0.61m longer than the 1988 Pacific Seacraft 31. The 1977 Cal 33 displaces approximately 5% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1988 Pacific Seacraft 31 has modest sail power for its displacement with an SA/D ratio of 14.09 and 40.5 m² of sail area. The 1977 Cal 33, with an SA/D of 14.53 and 43.0 m² of canvas, offers modest sail power for its displacement. The 1977 Cal 33 has the edge in terms of raw sailing performance.

For comfort and safety, the 1988 Pacific Seacraft 31 offers a moderate motion comfort level (comfort ratio: 26.0) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.71). The 1977 Cal 33 has a comfort ratio of 22.6 and a capsize screening value of 0.74. The ballast ratios are 43.6% for the 1988 Pacific Seacraft 31 and 41.7% for the 1977 Cal 33, reflecting their respective approaches to stability.

Below deck, the 1988 Pacific Seacraft 31 provides 5 berths in 2 cabins with 151L of water capacity and 76L of fuel. The 1977 Cal 33 offers 6 berths in 2 cabins with 114L water and 68L fuel capacity.

Verdict

For cruising: The 1988 Pacific Seacraft 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 1977 Cal 33 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1977 Cal 33 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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