The Dufour Classic 45, a light displacement fractional sloop, was designed by J&J Design and built in France by Dufour Yachts.
Underwater Profile: Bulb fin keel with spade rudder
Hull Material: GRP (Fibreglass)
Length Overall: 45'11" (14.0m)
Waterline Length: 37'5" (11.4m)
Beam: 14.2'x" (4.3m)
Draft: 7'8" (2.3m)
Rig Type: Masthead sloop
Displacement: 24,180lb (10,968kg)
Designer: J&J Design
Builder: Dufour Yachts (France)
Year First Built: 1988
1. Sail Area/Displacement Ratio: 17.0
2. Ballast/Displacement Ratio: 36.0
3. Displacement/Length Ratio: 206
4. Comfort Ratio: 27.4
5. Capsize Screening Formula: 1.9
1. A Sail Area/Displacement Ratio of 17.0 suggests that the Dufour Classic 45 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 36.0 would usually mean that the Dufour Classic 45 would have a tendency to heel uncomfortably in a gust, and need to be reefed early to keep her sailing upright in a moderate breeze.
However, as she has much of her ballast concentrated in a bulb at the foot of her keel, she's likely to be considerably stiffer than her published Ballast/Displacement Ratio might suggest.
3. A Displacement/Length Ratio of 206 tells us the Dufour Classic 45 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 27.4 suggests that crew comfort of a Dufour Classic 45 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 (CSF) of 1.9 indicates that a Dufour Classic 45 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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