The Morgan 41 Out Island Classic Sailboat
Specs & Key Performance Indicators
The Morgan 41 Out Island Classic, a centre-cockpit sloop, was designed by Charles Morgan and built in the USA by Morgan Yachts.
The Morgan 41 Out Island Classic
Published Specification for the Morgan 41 Out Island
Underwater Profile: Fin keel & skeg-hung rudder
Hull Material: GRP (Fibreglass)
Length Overall: 41'3" (12.6m)
Waterline Length: 34'0" (10.4m)
Beam: 13'10" (4.2m)
Draft: 4'10" (1.5m)
Rig Type: Masthead sloop
Displacement: 23,000lb (10,433kg)
Designer: Charles Morgan
Builder: Morgan Yachts (USA)
Year First Built: 1986
Year Last Built: 1991
Number Built: 150
Published Design Ratios for the Morgan 41 Out Island
1. Sail Area/Displacement Ratio: 15.5
- Less than 16 would be considered under-powered;
- 16 to 20 would indicate reasonably good performance;
- Over 20 suggests relatively high performance.
2. Ballast/Displacement Ratio: 37.0
- Under 40: less stiff, less powerful
- Over 40: stiffer, more powerful
3. Displacement/Length Ratio: 261
- Under 100: Ultralight
- 100 to 200: Light
- 200 to 275: Moderate
- 275 to 350: Heavy
- Over 350: Ultraheavy
4. Comfort Ratio: 29.7
- Under 20 indicates a lightweight racing boat
- 20 to 30 indicates a coastal cruiser
- 30 to 40 indicates a moderate offshore cruising boat
- 40 to 50 indicates a heavy offshore boat
- Over 50 indicates an extremely heavy offshore boat
5. Capsize Screening Formula: 1.9
- Under 2.0 (the lower the better): Better suited for ocean passages
- Over 2.0: Less suited for ocean passages
read more about these Key Performance Indicators...
Summary Analysis of the Design Ratios for the Morgan 41 Out Island
1. A Sail Area/Displacement Ratio of just 15.5 suggests that the Morgan 41 Out Island is just a tad under-powered and 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 37.0 means that a sailboat like the Morgan 41 Out Island (which doesn't have a stiffness-enhancing bulb keel), is likely to benefit from being reefed early to keep her sailing upright in a moderate breeze.
3. A Displacement/Length Ratio of 261, tells us the Morgan 41 Out Island 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 29.7 suggests that crew comfort of a Morgan 41 Out Island in a seaway is very close 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 Morgan 41 Out Island 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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