1986 Island Packet 27 vs 1974 O'Day 23 — Comparison

1986 Island Packet 27
VS
1974 O'Day 231974 O'Day 23

Specifications Side by Side

Specification1986 Island Packet 271974 O'Day 23
General
ManufacturerIsland PacketO'Day
Year1986–19941974–1983
TypeSloopSloop
CountryUSAUSA
DesignerBob JohnsonC. Raymond Hunt
Dimensions
LOA8.23 m (27.0 ft)6.93 m (22.7 ft)
LWL7.01 m (23.0 ft)5.79 m (19.0 ft)
Beam2.90 m (9.5 ft)2.24 m (7.3 ft)
Draft1.07 m (3.5 ft)1.02 m (3.3 ft)
Weight
Displacement3,175 kg (7,000 lbs)816 kg (1,799 lbs)
Ballast1,270 kg (2,800 lbs)295 kg (650 lbs)
Sailing
Sail Area29.0 m² (312 ft²)17.5 m² (188 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFullFin
Engine & Tanks
Engine15 HP5 HP
Fuel Capacity57 L (15.1 gal)11 L (2.9 gal)
Water Capacity95 L (25.1 gal)15 L (4.0 gal)
Accommodation
Berths44
Cabins11

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1986 Island Packet 27
13.64
1974 O'Day 23
20.38
Ballast Ratio (Higher = more stability)
1986 Island Packet 27
40.00
1974 O'Day 23
36.15
Capsize Ratio (Lower = safer offshore)
1986 Island Packet 27
0.79
1974 O'Day 23
0.96
Comfort Ratio (Higher = gentler motion)
1986 Island Packet 27
21.72
1974 O'Day 23
11.39

Detailed Comparison

The 1986 Island Packet 27 and 1974 O'Day 23 represent two takes on sloop-rigged sailing. The 1986 Island Packet 27 is a 1980s design by Island Packet from USA, while the 1974 O'Day 23 is a 1970s offering from O'Day from USA. The 1986 Island Packet 27 was penned by Bob Johnson. The 1974 O'Day 23 was designed by C. Raymond Hunt.

In terms of size, the 1986 Island Packet 27 measures 8.23m (27.0ft) overall with a beam of 2.90m, compared to the 1974 O'Day 23 at 6.93m (22.7ft) with a 2.24m beam. The 1986 Island Packet 27 is 1.30m longer than the 1974 O'Day 23. The 1986 Island Packet 27 displaces approximately 289% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1986 Island Packet 27 has modest sail power for its displacement with an SA/D ratio of 13.64 and 29.0 m² of sail area. The 1974 O'Day 23, with an SA/D of 20.38 and 17.5 m² of canvas, offers generous sail power for spirited sailing. The 1974 O'Day 23 has the edge in terms of raw sailing performance.

For comfort and safety, the 1986 Island Packet 27 offers a moderate motion comfort level (comfort ratio: 21.7) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.79). The 1974 O'Day 23 has a comfort ratio of 11.4 and a capsize screening value of 0.96. The ballast ratios are 40.0% for the 1986 Island Packet 27 and 36.2% for the 1974 O'Day 23, reflecting their respective approaches to stability.

Below deck, the 1986 Island Packet 27 provides 4 berths in 1 cabin with 95L of water capacity and 57L of fuel. The 1974 O'Day 23 offers 4 berths in 1 cabin with 15L water and 11L fuel capacity.

Verdict

For cruising: The 1986 Island Packet 27 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 1974 O'Day 23 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: 1986 Island Packet 27 · 1974 O'Day 23