The Northern 29, a masthead sloop, was designed by Sparkman & Stephens and built in Canada by Northern Yacht Ltd.
Underwater Configuration: Fin & Skeg
Hull Material: GRP (Fiberglass)
Length Overall: 29' 0" / 8.8m
Waterline Length: 21' 3" / 6.5m
Beam: 9' 0" / 2.7m
Draft: 4' 6" / 1.4m
Rig Type: Masthead Sloop
Displacement: 7,250lb / 3,289kg
Designer: Sparkman & Stephens
Builder: Northern Yacht Ltd (Canada)
Year First Built: 1972
1. Sail Area/Displacement Ratio: 16.5
2. Ballast/Displacement Ratio: 51.8
3. Displacement/Length Ratio: 337
4. Comfort Ratio: 25.5
5. Capsize Screening Formula: 1.9
read more about these all-revealing numbers...
A Sail Area/Displacement Ratio of 16.5 suggests that the Northern 29 will approach her maximum hull speed readily and satisfy the sailing performance expectations of most cruising sailors.
A Ballast/Displacement Ratio of 51.8 means that she'll stand up well to her canvas in a blow, helping her to power through the waves.
A Displacement/Length Ratio of 337, tells us she's 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.
Ted Brewer's Comfort Ratio of 25.5 suggests that crew comfort in a seaway is similar to what you would associate with the motion of a coastal cruiser with moderate stability, which is not encouraging news for anyone prone to seasickness.
Her Capsize Screening Formula (CSF) of 1.9 tells us that she would be a safer choice of sailboat for ocean passage-making than one with a CSF of more than 2.0.
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