The Westerly Vulcan 34, a sloop-rigged motor-sailor was designed by Jack Laurent Giles and built in the UK by Westerly Marine Ltd.
Underwater Profile: Twin keels & skeg-hung rudder
Hull Material: GRP (Fibreglass)
Length Overall: 34'0" (10.4m)
Waterline Length: 28'5" (8.7m)
Beam: 11'9" (3.6m)
Draft: 4'3" (1.3m)
Rig Type: Masthead sloop
Displacement: 15,602lb (7,077kg)
Designer: Jack Laurent Giles
Builder: Westerly Marine Ltd. (UK)
Year First Built: 1980
Year Last Built: 1984
Number Built: 42
1. Sail Area/Displacement Ratio: 14.7
2. Ballast/Displacement Ratio: 44.7
3. Displacement/Length Ratio: 303
4. Comfort Ratio: 30.1
5. Capsize Screening Formula: 1.9
Read more about these Key Performance Indicators...
1. A Sail Area/Displacement Ratio of 14.7 suggests that the Westerly Vulcan 34 will need a stiff breeze to get her going. In light conditions, unless you've got plenty of time on your hands, motor-sailing may be the way to go.
2. A Ballast/Displacement Ratio of 44.7 means that the Westerly Vulcan 34 will stand up well to her canvas in a blow, helping her to power through the waves.
3. A Displacement/Length Ratio of 303, tells us the Westerly Vulcan 34 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 30.1 suggests that crew comfort of a Westerly Vulcan 34 in a seaway is similar to what you would associate with the motion of a moderate bluewater cruising boat - a predictable and acceptable motion for most seasoned sailors.
5. The Capsize Screening Formula (CSF) of 1.9 indicates that a Westerly Vulcan 34 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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