The Beneteau 57 Sailboat
Specs & Key Performance Indicators

The Beneteau 57, a centre-cockpit fractional sloop, was designed by Farr Yacht Design and built in France by Beneteau.

The crew of 'Never Say Never', a Beneteau 57 sailboat, drop the hook off Deshaies, Guadeloupe, an island in the French West IndiesA Beneteau 57

Published Specification for the Beneteau 57

  • Underwater Profile: Bulb fin keel & spade rudder
  • Hull Material: GRP (Fibreglass)
  • Length Overall: 57'0" (17.4m)
  • Waterline Length: 49'3" (15.0m)
  • Beam: 16'4" (5.0m)
  • Draft: 8'6" (2.6m)*
  • Rig Type: Fractional sloop
  • Displacement: 47,399lb (21,500kg)
  • Designer: Farr Yacht Design
  • Builder: Beneteau
  • Year First Built: 2002
  • Owners Association: Beneteau Owners Association

* A shoal draft verson was also produced with a draft of 6'10" (2.1m)

Published Design Ratios for the Beneteau 57

1. Sail Area/Displacement Ratio: 20.3

  • 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: 35.2

  • Under 40: less stiff, less powerful
  • Over 40: stiffer, more powerful

3. Displacement/Length Ratio: 182

  • Under 100: Ultralight
  • 100 to 200: Light
  • 200 to 275: Moderate
  • 275 to 350: Heavy
  • Over 350: Ultraheavy

4. Comfort Ratio: 35.5

  • 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: 1.8

  • 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 Beneteau 57

1. A Sail Area/Displacement Ratio of 20.3 suggests that, in the right hands, the Beneteau 57 will have enough performance to leave most other sailboats of similar waterline length well astern. 

2. A Ballast/Displacement Ratio of 35.2 would usually mean that the Beneteau 57 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 182, tells us the Beneteau 57 is clearly a light displacement sailboat. If she's loaded with too much heavy cruising gear and equipment her performance will suffer to a degree.

4. Ted Brewer's Comfort Ratio of 35.5 suggests that crew comfort of a Beneteau 57 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 1.8 tells us that a Beneteau 57 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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