Hunter 31 vs 1986 Island Packet 27 — Comparison

Hunter 31Hunter 31
VS
1986 Island Packet 27

Specifications Side by Side

SpecificationHunter 311986 Island Packet 27
General
ManufacturerHunterIsland Packet
Year2000–20051986–1994
TypeSloopSloop
CountryUSAUSA
DesignerGlenn HendersonBob Johnson
Dimensions
LOA9.45 m (31.0 ft)8.23 m (27.0 ft)
LWL8.23 m (27.0 ft)7.01 m (23.0 ft)
Beam3.12 m (10.2 ft)2.90 m (9.5 ft)
Draft1.68 m (5.5 ft)1.07 m (3.5 ft)
Weight
Displacement4,082 kg (8,999 lbs)3,175 kg (7,000 lbs)
Ballast1,588 kg (3,501 lbs)1,270 kg (2,800 lbs)
Sailing
Sail Area44.0 m² (474 ft²)29.0 m² (312 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFull
Engine & Tanks
Engine18 HP15 HP
Fuel Capacity57 L (15.1 gal)57 L (15.1 gal)
Water Capacity114 L (30.1 gal)95 L (25.1 gal)
Accommodation
Berths64
Cabins21

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Hunter 31
17.51
1986 Island Packet 27
13.64
Ballast Ratio (Higher = more stability)
Hunter 31
38.90
1986 Island Packet 27
40.00
Capsize Ratio (Lower = safer offshore)
Hunter 31
0.78
1986 Island Packet 27
0.79
Comfort Ratio (Higher = gentler motion)
Hunter 31
18.65
1986 Island Packet 27
21.72

Detailed Comparison

The Hunter 31 and 1986 Island Packet 27 represent two takes on sloop-rigged sailing. The Hunter 31 is a 2000s design by Hunter from USA, while the 1986 Island Packet 27 is a 1980s offering from Island Packet from USA. The Hunter 31 was penned by Glenn Henderson. The 1986 Island Packet 27 was designed by Bob Johnson.

In terms of size, the Hunter 31 measures 9.45m (31.0ft) overall with a beam of 3.12m, compared to the 1986 Island Packet 27 at 8.23m (27.0ft) with a 2.90m beam. The Hunter 31 is 1.22m longer than the 1986 Island Packet 27. The Hunter 31 displaces approximately 29% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Hunter 31 has good sail power for versatile performance with an SA/D ratio of 17.51 and 44.0 m² of sail area. The 1986 Island Packet 27, with an SA/D of 13.64 and 29.0 m² of canvas, offers modest sail power for its displacement. The Hunter 31 has the edge in terms of raw sailing performance.

For comfort and safety, the Hunter 31 offers a firm, racing-oriented motion (comfort ratio: 18.7) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.78). The 1986 Island Packet 27 has a comfort ratio of 21.7 and a capsize screening value of 0.79. The ballast ratios are 38.9% for the Hunter 31 and 40.0% for the 1986 Island Packet 27, reflecting their respective approaches to stability.

Below deck, the Hunter 31 provides 6 berths in 2 cabins with 114L of water capacity and 57L of fuel. The 1986 Island Packet 27 offers 4 berths in 1 cabin with 95L water and 57L 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 Hunter 31 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The Hunter 31 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: Hunter 31 · 1986 Island Packet 27