1990 Island Packet 29 vs 1977 Cal 33 — Comparison

1990 Island Packet 291990 Island Packet 29
VS
1977 Cal 33

Specifications Side by Side

Specification1990 Island Packet 291977 Cal 33
General
ManufacturerIsland PacketCal
Year1990–19981977–1982
TypeSloopSloop
CountryUSAUSA
DesignerBob JohnsonBill Lapworth / C. Raymond Hunt
Dimensions
LOA8.84 m (29.0 ft)10.06 m (33.0 ft)
LWL7.47 m (24.5 ft)8.08 m (26.5 ft)
Beam3.05 m (10.0 ft)3.20 m (10.5 ft)
Draft1.12 m (3.7 ft)1.60 m (5.2 ft)
Weight
Displacement3,856 kg (8,501 lbs)5,216 kg (11,499 lbs)
Ballast1,588 kg (3,501 lbs)2,177 kg (4,799 lbs)
Sailing
Sail Area33.5 m² (361 ft²)43.0 m² (463 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFullFin
Engine & Tanks
Engine18 HP18 HP
Fuel Capacity76 L (20.1 gal)68 L (18.0 gal)
Water Capacity132 L (34.9 gal)114 L (30.1 gal)
Accommodation
Berths56
Cabins12

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1990 Island Packet 29
13.84
1977 Cal 33
14.53
Ballast Ratio (Higher = more stability)
1990 Island Packet 29
41.18
1977 Cal 33
41.74
Capsize Ratio (Lower = safer offshore)
1990 Island Packet 29
0.78
1977 Cal 33
0.74
Comfort Ratio (Higher = gentler motion)
1990 Island Packet 29
21.60
1977 Cal 33
22.63

Detailed Comparison

The 1990 Island Packet 29 and 1977 Cal 33 represent two takes on sloop-rigged sailing. The 1990 Island Packet 29 is a 1990s design by Island Packet from USA, while the 1977 Cal 33 is a 1970s offering from Cal from USA. The 1990 Island Packet 29 was penned by Bob Johnson. The 1977 Cal 33 was designed by Bill Lapworth / C. Raymond Hunt.

In terms of size, the 1990 Island Packet 29 measures 8.84m (29.0ft) 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 1.22m longer than the 1990 Island Packet 29. The 1977 Cal 33 displaces approximately 35% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1990 Island Packet 29 has modest sail power for its displacement with an SA/D ratio of 13.84 and 33.5 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 1990 Island Packet 29 offers a moderate motion comfort level (comfort ratio: 21.6) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.78). The 1977 Cal 33 has a comfort ratio of 22.6 and a capsize screening value of 0.74. The ballast ratios are 41.2% for the 1990 Island Packet 29 and 41.7% for the 1977 Cal 33, reflecting their respective approaches to stability.

Below deck, the 1990 Island Packet 29 provides 5 berths in 1 cabin with 132L 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 1977 Cal 33 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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Or view individual specs: 1990 Island Packet 29 · 1977 Cal 33