The Amel 54 Sailboat
Specs & Key Performance Indicators
The Amel 54, a staysail ketch, was designed and built in France by Amel.
An Amel 54
Published Specification for the Amel 54
Underwater Profile: Fin keel & skeg-hung rudder
Hull Material: GRP (Fibreglass)
Length Overall: 56'5" (17.2m)
Waterline Length: 50'4" (15.4m)
Beam: 15'9" (4.8m)
Draft: 6'10" (2.1m)
Rig Type: Staysail Ketch
Displacement: 38,580lb (17,500kg)
Builder: Amel (France)
Year First Built: 2005
Published Design Ratios for the Amel 54
1. Sail Area/Displacement Ratio: 21.2
- 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: 29.1
- Under 40: less stiff, less powerful
- Over 40: stiffer, more powerful
3. Displacement/Length Ratio: 135
- Under 100: Ultralight
- 100 to 200: Light
- 200 to 275: Moderate
- 275 to 350: Heavy
- Over 350: Ultraheavy
4. Comfort Ratio: 29.1
- 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 Amel 54
1. A Sail Area/Displacement Ratio of 21.2 suggests that, in the right hands, the Amel 54 will have enough performance to leave most other sailboats of similar waterline length well astern.
2. A Ballast/Displacement Ratio of 29.1 means that a sailboat like the Amel 54 (which doesn't have its ballast concentrated in a bulb at the foot of a deep keel), is likely to benefit from being reefed early to keep her sailing upright in a moderate breeze.
3. A Displacement/Length Ratio of 135, tells us the Amel 54 is clearly a light 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 29.1 suggests that crew comfort of a Amel 54 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 tells us that a Amel 54 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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