1977 Bristol 29.9 vs 1990 Island Packet 29 — Comparison

1977 Bristol 29.9
VS
1990 Island Packet 291990 Island Packet 29

Specifications Side by Side

Specification1977 Bristol 29.91990 Island Packet 29
General
ManufacturerBristolIsland Packet
Year1977–19841990–1998
TypeSloopSloop
CountryUSAUSA
DesignerHalsey HerreshoffBob Johnson
Dimensions
LOA9.12 m (29.9 ft)8.84 m (29.0 ft)
LWL7.32 m (24.0 ft)7.47 m (24.5 ft)
Beam2.97 m (9.7 ft)3.05 m (10.0 ft)
Draft1.37 m (4.5 ft)1.12 m (3.7 ft)
Weight
Displacement3,856 kg (8,501 lbs)3,856 kg (8,501 lbs)
Ballast1,588 kg (3,501 lbs)1,588 kg (3,501 lbs)
Sailing
Sail Area39.7 m² (427 ft²)33.5 m² (361 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFull
Engine & Tanks
Engine15 HP18 HP
Fuel Capacity57 L (15.1 gal)76 L (20.1 gal)
Water Capacity76 L (20.1 gal)132 L (34.9 gal)
Accommodation
Berths55
Cabins11

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1977 Bristol 29.9
16.41
1990 Island Packet 29
13.84
Ballast Ratio (Higher = more stability)
1977 Bristol 29.9
41.18
1990 Island Packet 29
41.18
Capsize Ratio (Lower = safer offshore)
1977 Bristol 29.9
0.76
1990 Island Packet 29
0.78
Comfort Ratio (Higher = gentler motion)
1977 Bristol 29.9
22.50
1990 Island Packet 29
21.60

Detailed Comparison

The 1977 Bristol 29.9 and 1990 Island Packet 29 represent two takes on sloop-rigged sailing. The 1977 Bristol 29.9 is a 1970s design by Bristol from USA, while the 1990 Island Packet 29 is a 1990s offering from Island Packet from USA. The 1977 Bristol 29.9 was penned by Halsey Herreshoff. The 1990 Island Packet 29 was designed by Bob Johnson.

In terms of size, the 1977 Bristol 29.9 measures 9.12m (29.9ft) overall with a beam of 2.97m, compared to the 1990 Island Packet 29 at 8.84m (29.0ft) with a 3.05m beam. The 1977 Bristol 29.9 is 0.28m longer than the 1990 Island Packet 29.

Looking at performance, the 1977 Bristol 29.9 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.41 and 39.7 m² of sail area. The 1990 Island Packet 29, with an SA/D of 13.84 and 33.5 m² of canvas, offers modest sail power for its displacement. The 1977 Bristol 29.9 has the edge in terms of raw sailing performance.

For comfort and safety, the 1977 Bristol 29.9 offers a moderate motion comfort level (comfort ratio: 22.5) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.76). The 1990 Island Packet 29 has a comfort ratio of 21.6 and a capsize screening value of 0.78. The ballast ratios are 41.2% for the 1977 Bristol 29.9 and 41.2% for the 1990 Island Packet 29, reflecting their respective approaches to stability.

Below deck, the 1977 Bristol 29.9 provides 5 berths in 1 cabin with 76L of water capacity and 57L of fuel. The 1990 Island Packet 29 offers 5 berths in 1 cabin with 132L water and 76L fuel capacity.

Verdict

For cruising: The 1977 Bristol 29.9 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 Bristol 29.9 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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Or view individual specs: 1977 Bristol 29.9 · 1990 Island Packet 29