The Westerly Ocean 33, an aft-cockpit fractional sloop, was designed by Ed Dubois and built in the UK by Westerly Marine Ltd.
Underwater Profile: Fin keel & spade rudder*
Hull Material: GRP (Fibreglass)
Length Overall: 33'4" (10.2m)
Waterline Length: 28'3" (8.6m)
Beam: 11'2" (3.4m)
Draft: 5'6" (1.7m)*
Rig Type: Fractional sloop
Displacement: 11,023lb (5,000kg)
Designer: Ed Dubois
Builder: Westerly Marine Ltd (UK)
Year First Built: 1997
Year Last Built: 2000
Number Built: 33
* A bilge keel version was also produced, with a draft of 4'0" (1.2)
1. Sail Area/Displacement Ratio: Not published
2. Ballast/Displacement Ratio: 40.4
3. Displacement/Length Ratio: 218
4. Comfort Ratio: 23.0
5. Capsize Screening Formula: 2.0
Read more about these Key Performance Indicators...
1. In the absence of any published Sail Area/Displacement Ratio data, we are unable to make any assessment of the Westerly Ocean 33's power under sail.
2. A Ballast/Displacement Ratio of 40.4 means that the Westerly Ocean 33 will stand up well to her canvas in a blow, helping her to power through the waves.
3. A Displacement/Length Ratio of 218, tells us the Westerly Ocean 33 is a moderate displacement cruiser, which means she'll carry all your cruising gear without it having a dramatic effect on her performance. Most of today's sailboats intended for offshore cruising fall into this displacement category.
4. Ted Brewer's Comfort Ratio of 23.0 suggests that crew comfort of a Westerly Ocean 33 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 2.0 tells us that a Westerly Ocean 33 would not be as good a 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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