The Island Packet 29, a heavy-displacement cutter, was designed by Bob Johnson and built in the USA by Island Packet Yachts.
Underwater Profile: Long keel with rudder on after edge*
Hull Material: GRP (Fibreglass)
Length Overall: 20'0" (8.8m)
Waterline Length: 25'7" (7.8m)
Beam: 10'10" (3.3m)
Draft: 4'3" (1.3m)
Rig Type: Cutter
Displacement: 10,900lb (4,944kg)
Ballast: 4,800lb (2,177kg)
Designer: Bob Johnson
Builder: Island Packet Yachts (USA)
Year First Built: 1991
Year Last Built: 1997
Number Built: 64
* A centreboard version was also available
1. Sail Area/Displacement Ratio: 16.1
2. Ballast/Displacement Ratio: 44.1
3. Displacement/Length Ratio: 291
4. Comfort Ratio: 26.5
5. Capsize Screening Formula: 1.9
Read more about these Key Performance Indicators...
1. A Sail Area/Displacement Ratio of 16.1 suggests that the Island Packet 31 will, in the right conditions, approach her maximum hull speed readily and satisfy the sailing performance expectations of most cruising sailors.
2. A Ballast/Displacement Ratio of 44.1 means that the Island Packet 31 will stand up well to her canvas in a blow, helping her to power through the waves.
3. A Displacement/Length Ratio of 291, tells us the Island Packet 31 is clearly a heavy displacement cruising boat. You can load her down with all your cruising gear and equipment and it will hardly affect her waterline. Not an ideal choice for coastal sailing, but she'll come into her own on an offshore passage in testing conditions.
4. Ted Brewer's Comfort Ratio of 26.5 suggests that crew comfort of an Island Packet 29 in a seaway is similar to what you would associate with the motion of a coastal cruiser with moderate stability, which is not the best of news for anyone prone to seasickness.
5. The Capsize Screening Formula (CSF) of 1.9 indicates that a Island Packet 29 would be a safer choice of sailboat for an ocean passage than one with a CSF of more than 2.0.
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