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CAL 34-III built by Jensen Marine (USA) and designed by C. William Lapworth. Her first hull was built in 1977 with an overall lengh of 10.13 m or 33.24 ft long

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CAL 34-III Sailboat Specifications​


Overall Length (LOA) m / ft10.13 m / 33.24 ft
Builder(s)Jensen Marine
Designer(s)C. William Lapworth
CountryUnited States
Hull TypeFin w/spade rudder
Number of Hulls Built193
First Hull Built1977
Last Hull Built1979
Ballast TypeLead
Rigging TypeMasthead Sloop
Freshwater Tank Capacity lt/gal227 L / 60 gal
Ballast Ratio45.59


Overall Length (LOA) 10.13 m / 33.24 ft
Waterline Length (LWL)7.92 m / 26.00 ft
Beam (width)3.05 m / 10.00 ft
Draft1.52 m / 5.00 ft
Light Displacement (MLC) 4627 kg / 10200 lb
Maximum Displacement4627 kg / 10200 lb
Ballast Weight2109 kg / 4650 lb


Capsize Screening Formula (CSF)1.85
Comfort Ratio26.05
Displacement-Length Ratio (DLR)259.08
Ballast Ratio45.59
Sail Area to Displacement16.35

Above Deck

Estimated Forestay Length13.25 m / 43.48 ft
Reported Sail Area44.50 m² / 479.00 ft²
Total Sail Area44.49 m² / 478.84 ft²
Mainsail Area18.14 m² / 195.25 ft²
I41.25 ft * 12.57 m
J13.75 ft * 4.19 m
P35.50 ft * 10.82 m
E11.00 ft * 3.35 m
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