The Hinckley 48 Sailboat
Specs & Key Performance Indicators
The Hinckley 48, a heavy displacement long keel sailboat, was designed by William H Trip and built in the USA by Henry Hinckley & Company.
A Hinckley 48
Published Specification for the Hinckley 48
Underwater Configuration: Long keel with centreboard
Hull Material: GRP (Fibreglass)
Length Overall: 48'3" (14.7m)
Waterline Length: 34'2" (10'4")
Beam: 13.0" (4.0m)
Draft: Max 11'9" (3.6m), Min 5'2" (1.6m)
Rig Type: Yawl (also produced as a sloop)
Displacement: 36,000lb (16,330kg)
Designer: William H Trip
Builder: Henry Hinckley & Company (US)
Year First Built: 1965
Year Last Built: 1974
Number Built: 8
Published Design Ratios for the Hinckley 48
1. Sail Area/Displacement Ratio: 15.0
- 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: 29.4
- Under 40: less stiff, less powerful
- Over 40: stiffer, more powerful
3. Displacement/Length Ratio: 403
- Under 100: Ultralight
- 100 to 200: Light
- 200 to 275: Moderate
- 275 to 350: Heavy
- Over 350: Ultraheavy
4. Comfort Ratio: 47.6
- 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: 1.6
- 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 Hinckley 48
1. A Sail Area/Displacement Ratio of 15.0 suggests that the Hinckley 48 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 29.4 means that Hinckley 48 will have a tendency to heel excessively in a gust, and she'll need to be reefed early to keep her sailing upright in a moderate breeze.
3. A Displacement/Length Ratio of 403, tells us the Hinckley 48 is firmly in the ultra-heavy displacement category. Load her up as much as you like and her performance will be hardly affected. Few if any sailboats are built to this displacement category these days - but they remain popular with some long-distance sailors.
4. Ted Brewer's Comfort Ratio of 47.6 suggests that crew comfort of a Hinckley 48 in a seaway is similar to what you would associate with the motion of a heavy bluewater cruising boat. Pitching and rolling will be well damped - your cup of coffee on the salon table stands a reasonable chance of staying there in most conditions.
5. The Capsize Screening Formula (CSF) of 1.6 tells us that a Hinckley 48 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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