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CAL 28

CAL 28 built by Jensen Marine (USA) and designed by C. W. Lapworth. Her first hull was built in 1963 with an overall lengh of 8.53 m or 28.00 ft long

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CAL 28 Sailboat Specifications​


Overall Length (LOA) m / ft8.53 m / 28.00 ft
Builder(s)Jensen Marine
Designer(s)C. W. Lapworth
CountryUnited States
Hull TypeFin w/spade rudder
Number of Hulls Built347
First Hull Built1963
Last Hull Built1969
Ballast TypeLead
Rigging TypeMasthead Sloop
Freshwater Tank Capacity lt/gal106 L / 28 gal
Ballast Ratio36.67


Overall Length (LOA) 8.53 m / 28.00 ft
Waterline Length (LWL)6.86 m / 22.50 ft
Beam (width)2.74 m / 9.00 ft
Draft1.37 m / 4.50 ft
Light Displacement (MLC) 2722 kg / 6000 lb
Maximum Displacement2722 kg / 6000 lb
Ballast Weight998 kg / 2200 lb


Capsize Screening Formula (CSF)1.98
Comfort Ratio20.57
Displacement-Length Ratio (DLR)235.16
Ballast Ratio36.67
Sail Area to Displacement17.11

Above Deck

Estimated Forestay Length10.64 m / 34.91 ft
Reported Sail Area32.70 m² / 352.00 ft²
Total Sail Area32.69 m² / 351.90 ft²
Mainsail Area15.22 m² / 163.80 ft²
I33.00 ft * 10.06 m
J11.40 ft * 3.47 m
P28.00 ft * 8.53 m
E11.70 ft * 3.57 m
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