The Discovery 55, a centre-cockpit sloop, was designed by Ron Holland and built in the UK by Discovery Yachts.
This one is fitted with the double-headed Solent rig, although they were also available as cutters.
Underwater Profile: Fin keel & skeg-hung rudder
Hull Material: GRP (Fibreglass)
Length Overall: 54'10" (16.7m)
Waterline Length: 49'3" (15.0m)
Beam: 15'8" (4.8m)
Draft: 7'4" (2.2m)
Rig Type: Masthead sloop
Displacement: 49,604lb (22,500kg)
Designer: Ron Holland
Builder: Discovery Yachts (UK)
Year First Built: 2000
Number Built: 55
Owners Association: Discovery Yacht Owners
1. Sail Area/Displacement Ratio: 14.7
2. Ballast/Displacement Ratio: 42.2
3. Displacement/Length Ratio: 186
4. Comfort Ratio: 38.6
5. Capsize Screening Formula: 1.7
1. A Sail Area/Displacement Ratio of 14.7 suggests that the Discovery 55 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 42.2 means that the Discovery 55 will stand up well to her canvas in a blow, helping her to power through the waves.
3. A Displacement/Length Ratio of 186, tells us the Discovery 55 is a light-to-moderate displacement sailboat. If she's loaded with too much heavy cruising gear her performance will suffer to a degree.
4. Ted Brewer's Comfort Ratio of 38.6 suggests that crew comfort of a Discovery 55 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 1.7 tells us that a Discovery 55 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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