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CAL 21

CAL 21 built by Jensen Marine (USA) and designed by C. William Lapworth. Her first hull was built in 1969 with an overall lengh of 6.25 m or 20.50 ft long

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CAL 21 Sailboat Specifications​

Features

Overall Length (LOA) m / ft6.25 m / 20.50 ft
Builder(s)Jensen Marine
Designer(s)C. William Lapworth
BrandCAL
CountryUnited States
Hull TypeSwing Keel
Number of Hulls Built500
First Hull Built1969
Last Hull Built1976
Ballast TypeIron
Rigging TypeFractional Sloop
UnsinkableNo
TrailerableNo
Ballast Ratio32.73

Dimensions

Overall Length (LOA) 6.25 m / 20.50 ft
Waterline Length (LWL)5.08 m / 16.67 ft
Beam (width)2.03 m / 6.67 ft
Draft1.31 m / 4.30 ft
Light Displacement (MLC) 499 kg / 1100 lb
Maximum Displacement499 kg / 1100 lb
Ballast Weight163 kg / 360 lb

Performance

Capsize Screening Formula (CSF)2.59
Comfort Ratio7.61
Displacement-Length Ratio (DLR)106.01
Ballast Ratio32.73
Sail Area to Displacement29.49

Above Deck

Estimated Forestay Length7.47 m / 24.52 ft
Reported Sail Area18.21 m² / 196.00 ft²
Total Sail Area18.16 m² / 195.50 ft²
Mainsail Area9.08 m² / 97.75 ft²
I23.00 ft * 7.01 m
J8.50 ft * 2.59 m
P23.00 ft * 7.01 m
E8.50 ft * 2.59 m
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