2011 J/111 vs 1986 Island Packet 27 — Comparison

2011 J/111
VS
1986 Island Packet 27

Specifications Side by Side

Specification2011 J/1111986 Island Packet 27
General
ManufacturerJ/BoatsIsland Packet
Year20111986–1994
TypeSloopSloop
CountryUSAUSA
DesignerAlan JohnstoneBob Johnson
Dimensions
LOA11.13 m (36.5 ft)8.23 m (27.0 ft)
LWL9.75 m (32.0 ft)7.01 m (23.0 ft)
Beam3.40 m (11.2 ft)2.90 m (9.5 ft)
Draft2.20 m (7.2 ft)1.07 m (3.5 ft)
Weight
Displacement4,990 kg (11,001 lbs)3,175 kg (7,000 lbs)
Ballast2,041 kg (4,500 lbs)1,270 kg (2,800 lbs)
Sailing
Sail Area71.0 m² (764 ft²)29.0 m² (312 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFull
Engine & Tanks
Engine22 HP15 HP
Fuel Capacity57 L (15.1 gal)57 L (15.1 gal)
Water Capacity76 L (20.1 gal)95 L (25.1 gal)
Accommodation
Berths64
Cabins21

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2011 J/111
24.71
1986 Island Packet 27
13.64
Ballast Ratio (Higher = more stability)
2011 J/111
40.90
1986 Island Packet 27
40.00
Capsize Ratio (Lower = safer offshore)
2011 J/111
0.80
1986 Island Packet 27
0.79
Comfort Ratio (Higher = gentler motion)
2011 J/111
14.54
1986 Island Packet 27
21.72

Detailed Comparison

The 2011 J/111 and 1986 Island Packet 27 represent two takes on sloop-rigged sailing. The 2011 J/111 is a modern design by J/Boats from USA, while the 1986 Island Packet 27 is a 1980s offering from Island Packet from USA. The 2011 J/111 was penned by Alan Johnstone. The 1986 Island Packet 27 was designed by Bob Johnson.

In terms of size, the 2011 J/111 measures 11.13m (36.5ft) overall with a beam of 3.40m, compared to the 1986 Island Packet 27 at 8.23m (27.0ft) with a 2.90m beam. The 2011 J/111 is 2.90m longer than the 1986 Island Packet 27. The 2011 J/111 displaces approximately 57% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2011 J/111 has generous sail power for spirited sailing with an SA/D ratio of 24.71 and 71.0 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 2011 J/111 has the edge in terms of raw sailing performance.

For comfort and safety, the 2011 J/111 offers a firm, racing-oriented motion (comfort ratio: 14.5) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.80). The 1986 Island Packet 27 has a comfort ratio of 21.7 and a capsize screening value of 0.79. The ballast ratios are 40.9% for the 2011 J/111 and 40.0% for the 1986 Island Packet 27, reflecting their respective approaches to stability.

Below deck, the 2011 J/111 provides 6 berths in 2 cabins with 76L 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 2011 J/111 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 2011 J/111 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: 2011 J/111 · 1986 Island Packet 27