The Nonsuch 30, a Catboat with a wishbone rig and unstayed mast, was designed by Mark Ellis and built in Canada by Hinterhoeller Yachts Ltd.
Underwater Profile: Fin keel and spade rudder
Hull Material: GRP (fiberglass)
Length Overall: 30'4" / 9.2m
Waterline Length: 28'9" / 8.8m
Beam: 11'11" / 3.6m
Draft: 5'0" / 1.5m
Rig Type: Wishbone (unstayed mast)
Displacement: 10,500lb / 4,763kg
Designer: Mark Ellis
Builder: Hinterhoeller Yachts Ltd (Canada)
Year First Built: 1978
Year Last Built: 1989
Number Built: 1,080
Owners Association: International Nonsuch Association
1. Sail Area/Displacement Ratio: 18.1
2. Ballast/Displacement Ratio: 42.9
3. Displacement/Length Ratio: 197
4. Comfort Ratio: 20.5
5. Capsize Screening Formula: 2.2
read more about these all-revealing numbers...
1. A Sail Area/Displacement Ratio of 18.1 suggests that the Nonsuch 30 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 42.9 means that the Nonsuch 30 will stand up well to her canvas in a blow, helping her to power through the waves.
3. A Displacement/Length Ratio of 197, tells us the Nonsuch 30 is clearly a light displacement sailboat. If she's loaded with too much heavy cruising gear her performance will suffer dramatically.
4. Ted Brewer's Comfort Ratio of 20.5 suggests that crew comfort of a Nonsuch 30 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.
5. The Capsize Screening Formula of 2.2 tells us that a Nonsuch 30 would not be a good choice of sailboat for ocean passage-making, owing to the increased risk of capsize in strong winds and heavy seas when compared to a sailboat with a CSF of less than 2.0.
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